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Dell Symmetrix VMAX 100K V9.2.0 Storage Site Planning Guide PDF

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Dell EMC VMAX3 Family Site Planning Guide

VMAX 100K, VMAX 200K, and VMAX 400K Revision 12.0

April 2020

Copyright 2014-2020 Dell Inc. or its subsidiaries. All rights reserved.

Dell believes the information in this publication is accurate as of its publication date. The information is subject to change without notice.

THE INFORMATION IN THIS PUBLICATION IS PROVIDED AS-IS. DELL MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND

WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. USE, COPYING, AND DISTRIBUTION OF ANY DELL SOFTWARE DESCRIBED

IN THIS PUBLICATION REQUIRES AN APPLICABLE SOFTWARE LICENSE.

Dell Technologies, Dell, EMC, Dell EMC and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be the property

of their respective owners. Published in the USA.

Dell EMC Hopkinton, Massachusetts 01748-9103 1-508-435-1000 In North America 1-866-464-7381 www.DellEMC.com

2 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

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Preface 11 Revision history................................................................................................. 13

Pre-planning tasks 15 Overview of data center requirements.............................................................. 16 Tasks to review................................................................................................. 16

Delivery and transportation 17 Delivery arrangements.......................................................................................18 Pre-delivery considerations............................................................................... 18 Moving up and down inclines............................................................................. 18 Shipping and storage environmental requirements............................................ 19

Specifications 21 Radio frequency interference............................................................................22

Recommended minimum distance from RF emitting device................. 22 Power consumption and heat dissipation.......................................................... 23

Adaptive cooling...................................................................................24 Airflow.............................................................................................................. 25 Air volume, air quality, and temperature............................................................26

Air volume specifications......................................................................26 Temperature, altitude, and humidity ranges......................................... 26 Temperature and humidity range recommendations.............................26 Air quality requirements....................................................................... 27

Shock and vibration.......................................................................................... 28 Sound power and sound pressure..................................................................... 28 Hardware acclimation times..............................................................................29 Optical multimode cables.................................................................................. 29

Open systems host and SRDF connectivity..........................................30

Data Center Safety and Remote Support 31 Fire suppressant disclaimer...............................................................................32 Remote support................................................................................................ 32

Physical weight and space 33 Floor load-bearing capacity...............................................................................34 Raised floor requirements................................................................................. 34 Physical space and weight................................................................................ 35

Position Bays 37

Figures

Tables

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

CONTENTS

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 3

System bay layouts...........................................................................................38 Adjacent layouts, single-engine array...................................................39 Adjacent layouts, dual-engine array..................................................... 40 Dispersed layouts, single-engine array..................................................41 Dispersed layout, dual-engine array..................................................... 42 Adjacent and dispersed (mixed) layout ................................................43

Dimensions for array layouts............................................................................. 44 Tile placement.................................................................................................. 45 Caster and leveler dimensions...........................................................................45

Power cabling, cords and connectors 49 Power distribution unit .....................................................................................50 Wiring configurations........................................................................................52 Power interface................................................................................................ 55 Customer input power cabling.......................................................................... 55 Best practices: Power configuration guidelines.................................................55 Power extension cords, connectors and wiring................................................. 56

Single-phase........................................................................................ 57 Three-phase Wye (International)......................................................... 62 Three-phase North American Delta......................................................65 Three-phase Wye (Domestic).............................................................. 67

Grounding Racks 69 Grounding requirements....................................................................................70 Grounding a single bay...................................................................................... 70 Chassis to chassis grounding............................................................................. 71

Third Party Racking Option 73 Computer room requirements .......................................................................... 74 Customer rack requirements ............................................................................75 Third party racks with vertical PDUs RPQ Required ....................................77

Requirements for third party racks with vertical PDUs (rear-facing) .. 78 Requirements for third party racks with vertical PDUs (inward-facing) .. 80

Chassis to chassis grounding............................................................................. 81

Optional kits 83 Overhead routing kit......................................................................................... 84 Dispersion kits...................................................................................................84 Securing kits.....................................................................................................85 GridRunner kit and customer-supplied cable trough......................................... 85

Best Practices for AC Power Connections 87 Best practices overview for AC power connections.......................................... 88 Selecting the proper AC power connection procedure......................................89 Procedure A: Working with the customer's electrician onsite........................... 90

Procedure A, Task 1: Customer's electrician......................................... 91 Procedure A, Task 2: Dell EMC Customer Engineer ............................ 92 Procedure A, Task 3: Customer's electrician........................................96

Procedure B: Verify and connect...................................................................... 97 Procedure C: Obtain customer verification....................................................... 98 PDU labels........................................................................................................ 98

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Appendix

Contents

4 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

PDU label part numbers....................................................................... 98 Applying PDU labels, VMAX3 Family.................................................... 99

AC power specifications.................................................................................. 100

Contents

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 5

Contents

6 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Typical airflow in a hot/cold aisle environment................................................................. 25 Adjacent layout, single-engine array................................................................................. 39 Adjacent layout, dual-engine array.................................................................................... 40 Dispersed layout, single-engine array................................................................................ 41 Dispersed layout, dual-engine, front view..........................................................................42 Adjacent and dispersed (mixed) layout, single-engine array..............................................43 Adjacent and dispersed (mixed) layout, dual-engine array................................................ 44 Layout dimensions, VMAX3 Family....................................................................................44 Placement with floor tiles, VMAX3 Family........................................................................ 45 Caster and leveler dimensions...........................................................................................46 Power distribution unit (PDU) without installed wire bales, rear view...............................50 Power distribution unit (PDU) with installed wire bales, rear view.....................................51 Single-phase, horizontal 2U PDU internal wiring............................................................... 52 Three-phase (Delta), horizontal 2U PDU internal wiring................................................... 53 Three-phase (Wye), horizontal 2U PDU internal wiring.................................................... 54 Single-phase: E-PW40U-US............................................................................................. 59 Single-phase: E-PW40URUS............................................................................................ 60 Single-phase: E-PW40UIEC3............................................................................................60 Single-phase: E-PW40UASTL........................................................................................... 61 Single-phase: E-PW40L730...............................................................................................61 Flying leads, three-phase, international: E-PC3YAFLE, .................................................... 63 Three-phase, international: E-PCBL3YAG.........................................................................64 Three-phase, North American, Delta: E-PCBL3DHR.........................................................66 Three-phase, North American, Delta: E-PCBL3DHH.........................................................66 Three-phase, domestic (Black and Gray): E-PCBL3YL23P............................................... 68 Location of cabinet ground lugs........................................................................................ 70 Customer rack dimension requirements ........................................................................... 76 Requirements for customer rack with rear-facing, vertical PDUs......................................78 Requirements for third party rack with inward-facing, vertical PDUs............................... 80 Top routing cover..............................................................................................................84 Two independent customer-supplied PDUs.......................................................................88 Circuit breakers ON AC power within specification...................................................... 91 Circuit breakers OFF No AC power...............................................................................91 System bay power tee breakers (OFF = pulled out)..........................................................92 Connecting AC power, single-phase................................................................................. 93 Connecting AC power, three-phase.................................................................................. 94 Power zone connections...................................................................................................95 PDU label , single-phase and three-phase.........................................................................99 Label placement Customer PDU Information................................................................ 99

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FIGURES

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 7

Figures

8 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Typographical conventions used in this content................................................................ 12 Revision history................................................................................................................. 13 Before you begin............................................................................................................... 16 Shipping and storage environmental requirements............................................................ 19 Minimum distance from RF emitting devices.....................................................................22 Power consumption and heat dissipation.......................................................................... 23 Airflow diagram key.......................................................................................................... 25 Maximum air volume......................................................................................................... 26 Environmental operating ranges........................................................................................26 Temperature and humidity................................................................................................ 26 Platform shock and vibration............................................................................................ 28 Sound power and sound pressure levels, A-weighted........................................................28 OM3 and OM4 Fibre cables 50/125 micron optical cable............................................. 30 Space and weight requirements........................................................................................35 Adjacent layout diagram key............................................................................................. 39 Adjacent layout diagram key............................................................................................. 40 Caster and leveler dimensions diagram key....................................................................... 46 Extension cords and connectors options single-phase................................................... 57 Extension cords and connectors options three-phase international (Wye).................... 62 Extension cords and connectors options three-phase North American (Delta)..............65 Extension cords and connectors options three-phase Wye, domestic............................67 Overhead routing models.................................................................................................. 84 Dispersion kit model numbers............................................................................................84 Securing kit models...........................................................................................................85 Bottom routing model....................................................................................................... 86 Procedure options for AC power connection ....................................................................89 VMAX3 Family label part numbers, EMC racks ................................................................ 98 Input power requirements - Single-phase, North American, International, Australian ..... 100 Input power requirements - Three-phase, North American, International, Australian ......100

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TABLES

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 9

Tables

10 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Preface

As part of an effort to improve its product lines, Dell EMC periodically releases revisions of its software and hardware. Functions that are described in this document may not be supported by all versions of the software or hardware. The product release notes provide the most up-to-date information about product features.

Contact your Dell EMC representative if a product does not function properly or does not function as described in this document.

Note: This document was accurate at publication time. New versions of this document might be released on Dell EMC Online Support (https://www.dell.com/support/home). Check to ensure that you are using the latest version of this document.

Purpose

This document is intended for use by customers and/or company representatives who want to plan the purchase and installation of a VMAX3 Family system.

Audience

This document is intended for use by customers or company representatives.

Related documentation

The following documentation portfolios contain documents related to the hardware platform and manuals needed to manage your software and storage system configuration. Also listed are documents for external components which interact with your array.

EMC VMAX3 Family Product Guide for VMAX 100K, VMAX 200K, VMAX 400K with HYPERMAX OS

Provides product information regarding the purchase of a VMAX3 Family 100K, 200K, 400K.

Dell EMC VMAX Securing Kit Installation Guide

Describes how to install the securing kit on a VMAX3 Family array or VMAX All Flash array.

Dell EMC VMAX Best Practices Guide for AC Power Connections

Describes the best practices to assure fault-tolerant power to a VMAX3 Family array or VMAX All Flash array.

Dell EMC VMAX Power-down/Power-up Procedure

Describes how to power-down and power-up a VMAX3 Family array or VMAX All Flash array.

HYPERMAX OS 5977.1125.1125 for EMC VMAX3 Family and VMAX All Flash Release Notes

Describes new features and any known limitations.

Special notice conventions used in this document

Dell EMC uses the following conventions for special notices:

Note: A NOTE indicates important information that helps you make better use of your product.

CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING A WARNING indicates a potential for property damage, personal injury, or death.

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 11

Typographical conventions

Dell EMC uses the following type style conventions in this document:

Table 1 Typographical conventions used in this content

Bold Used for names of interface elements Examples: Names of windows, dialog boxes, buttons, fields, tab names, key names, and menu paths (what the user selects or clicks)

Italic Used for full titles of publications referenced in text

Monospace Used for:

l System code

l System output, such as an error message or script

l Pathnames, filenames, prompts, and syntax

l Commands and options

Monospace italic Used for variables

Monospace bold Used for user input

[ ] Square brackets enclose optional values.

| A vertical bar indicates alternate selections. The bar means or.

{ } Braces enclose content that the user must specify, such as x or y or z.

... Ellipses indicate nonessential information that is omitted from the example.

Where to get help

Support, product and licensing information can be obtained as follows:

Product information

Dell EMC technical support, documentation, release notes, software updates, or information about Dell EMC products can be obtained at https://www.dell.com/support/home (registration required) or https://www.dellemc.com/en-us/documentation/vmax-all-flash- family.htm.

Technical support

To open a service request through the Dell EMC Online Support (https://www.dell.com/ support/home) site, you must have a valid support agreement. Contact your Dell EMC sales representative for details about obtaining a valid support agreement or to answer any questions about your account.

Your comments

Your suggestions help improve the accuracy, organization, and overall quality of the documentation. Send your comments and feedback to: VMAXContentFeedback@emc.com

Preface

12 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Revision history

Table 2 Revision history

Revision Description and/or change

12.0 Added note to provide strain relief when host cabling and power are handled from overhead or wall-mounted.

11.0 Add top routing cover graphic.

10.0 Add line in grounding chapter that both grounding straps must be installed for chassis to chassis grounding.

9.1 Fixed broken link to overhead routing kit section.

9.0 Added rack grounding chapter

8.2 Removed all references to maintaining .25" between bays.

8.1 Added recommendation for chassis to chassis grounding for multiple bay systems.

8.0 Modified power consumption and heat dissipation specifications to include steady state and maximum values.

7.0 Corrected formula for 3rd party rack cabinet width requirements.

6.0 Updated wiring configuration diagrams and content for new 2U PDUs. Updated power distribution unit recommendations for overhead power.

5.0 l Minor edits for consistency and readability.

l Added new table row and values for "Storage time (unpowered)" in the topic, "Shipping and storage environmental requirements."

l Added line item to Optical multimode cables topic: OM4 cables are used for SRDF connectivity over 16 Gb/s Fibre Channel I/O modules.

4.2 l Added information and diagrams for third party racks with vertical PDUs.

l Updated heat dissipation value for system bay 2 in a dual engine system.

n For a 200K: Max heat dissipation changed from 30,975 to 28,912 Btu/Hr.

n For a 400K: Max heat dissipation changed from 30,975 to 29,688 Btu/Hr.

l Added the following note to PDU and wiring configuration topics: Note: The PDU AC power cords (single-phase and three-phase) extend 74" (188cm) from the PDU chassis and are designed to reach to the bay floor egress for connection to the customer power supply. 15' (4.57m) extension cables are provided.

4.1 l Update: Statement re: redundant PDUs.

l Added note to Power and heat dissipation topic.

Preface

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 13

Table 2 Revision history (continued)

Revision Description and/or change

l Updated rack diagram for third party rack requirements.

4.0 Updates:

l Version numbering (to 4.0).

l Removed dual-engine dispersion reference in System layouts topic: "With dual-engine dispersion, bay placement can be wherever the customer wants in the data center."

3.3 Updates:

l 3rd party customer rack dimension requirements graphic.

l Single and dual-engine layout graphics.

3.2 New: NOTICE in Best practices overview for AC power connections.

3.1 Update: Customer-to-system 3-phase connectors.

3 Update: Environmental operating ranges table.

2 Update: Dual-engine layout graphic.

1 First release of the VMAX 100K, 200K, and 400K arrays with EMC HYPERMAX OS 5977.

Preface

14 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 1

Pre-planning tasks

This chapter includes:

l Overview of data center requirements................................................................................... 16 l Tasks to review...................................................................................................................... 16

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 15

Overview of data center requirements VMAX arrays are designed for installation in data centers that provide:

l Sufficient physical space

l Controlled temperature and humidity

l Airflow and ventilation

l Power and grounding

l System cable routing facilities

l Fire protection

Raised floors are preferred.

For information regarding overhead cable routing, see Overhead routing kit on page 84.

To prepare the site for an array, meet with your Dell EMC Systems Engineer and Customer Engineer to determine what is needed to prepare for delivery and installation. One or more sessions may be necessary to finalize installation plans.

Tasks to review The following table provides a list of tasks to review during the planning process:

Table 3 Before you begin

Task Comments and/or Provide

Identify power requirements with customer and customer electrician.

External AC power must be supplied from an independent customer-supplied power distribution unit (PDU).

Dell EMC recommends that the customers electrician be available at the installation site for regular and third party racked arrays.

Best Practices for AC Power Connections on page 87 provides details.

For customer-supplied third party rack support, see the detailed physical requirements in Third Party Racking Option on page 73.

The field representative working the order must:

l Review the requisite information regarding the third party racking option.

l In Sizer, select the desired configuration. In the Hardware Options screen, under Rack Type, select Third Party.

Complete the Installation Planning Task Sheet and Presite Survey in DXCX.

l Connection for ConnectEMC to dial home to the Dell EMC Support Center. Data Center Safety and Remote Support on page 31 provides additional details on remote support.

l Power, cooling and ventilation, humidity control, floor load capability, system placement, and service clearances as required in the data center.

Pre-planning tasks

16 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 2

Delivery and transportation

This chapter includes:

l Delivery arrangements........................................................................................................... 18 l Pre-delivery considerations....................................................................................................18 l Moving up and down inclines................................................................................................. 18 l Shipping and storage environmental requirements.................................................................19

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 17

Delivery arrangements Delivery within the United States or Canada is by air-ride truck with custom-designed shipping material, crate, and pallet. International delivery normally involves air freight.

Unless otherwise instructed, the Dell EMC Traffic Department arranges for delivery directly to the customers computer room. To ensure successful delivery of the system, Dell EMC has formed partnerships with specially selected moving companies. These companies have moving professionals trained in the proper handling of large, sensitive equipment and provide the appropriate personnel, floor layments, and any ancillary moving equipment required to facilitate delivery. Moving companies should check general guidelines, weights, and dimensions.

NOTICE Inform Dell EMC of any labor union-based restrictions or security clearance requirements prior to delivery.

Pre-delivery considerations Take into account the following considerations prior to the delivery at your site:

l Weight capacities of the loading dock, tailgate, and service elevator if delivery is to a floor other than the receiving floor.

l Length and thickness of covering required for floor protection.

l Equipment ramp availability if the receiving floor is not level with computer room floor.

l Set up the necessary network and gateway access to accommodate Secure Remote Services so that it will be available and operable for the installation date.

Moving up and down inclines To prevent tipping when moving up and down inclines, close all doors and drawers. Push from the rear of the rack so that the front (side with bezels or a fancy door) goes first.

All portions of the bay will clear ramp and threshold slopes up to 1:10 (rise to run ratio), per Code of Federal Regulations ADA Standards for Accessible Design, 28 CFR Part 36.

Delivery and transportation

18 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Shipping and storage environmental requirements The following table provides the environmental requirements for shipping and storage:

Table 4 Shipping and storage environmental requirements

Condition Setting

Ambient temperature -40 to 149 F (-40 to 65 C)

Temperature gradient 43.2 F/hr (24 C/hr)

Relative humidity 10% to 90% noncondensing

Storage time (unpowered) Recommendation: Do not exceed 3 consecutive months of unpowered storage.

Delivery and transportation

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 19

Delivery and transportation

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CHAPTER 3

Specifications

This chapter includes:

l Radio frequency interference................................................................................................ 22 l Power consumption and heat dissipation...............................................................................23 l Airflow...................................................................................................................................25 l Air volume, air quality, and temperature................................................................................ 26 l Shock and vibration...............................................................................................................28 l Sound power and sound pressure..........................................................................................28 l Hardware acclimation times.................................................................................................. 29 l Optical multimode cables...................................................................................................... 29

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 21

Radio frequency interference Electro-magnetic fields, which include radio frequencies can interfere with the operation of electronic equipment. Dell EMC products have been certified to withstand radio frequency interference (RFI) in accordance with standard EN61000-4-3. In Data Centers that employ intentional radiators, such as cell phone repeaters, the maximum ambient RF field strength should not exceed 3 Volts /meter.

The field measurements should be taken at multiple points in close proximity to Dell EMC equipment. It is recommended to consult with an expert prior to installing any emitting device in the Data Center. In addition, it may be necessary to contract an environmental consultant to perform the evaluation of RFI field strength and address the mitigation efforts if high levels of RFI are suspected.

The ambient RFI field strength is inversely proportional to the distance and power level of the emitting device.

Recommended minimum distance from RF emitting device The following table provides the recommended minimum distances between Dell EMC arrays and RFI emitting equipment. Use these guidelines to verify that cell phone repeaters or other intentional radiator devices are at a safe distance from the equipment.

Table 5 Minimum distance from RF emitting devices

Repeater power levela Recommended minimum distance

1 Watt 9.84 ft (3 m)

2 Watt 13.12 ft (4 m)

5 Watt 19.69 ft (6 m)

7 Watt 22.97 ft (7 m)

10 Watt 26.25 ft (8 m)

12 Watt 29.53 ft (9 m)

15 Watt 32.81 ft (10 m)

a. Effective Radiated Power (ERP)

Specifications

22 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Power consumption and heat dissipation Dell EMC provides the Dell EMC Power Calculator to refine the power and heat figures to more closely match your array. Contact your Dell EMC Sales Representative or use the Dell EMC Power Calculator for specific supported configurations. The following table provides calculations of maximum power and heat dissipation.

NOTICE Power consumption and heat dissipation details vary based on the number of system and storage bays. Ensure that the installation site meets these worst case requirements.

Table 6 Power consumption and heat dissipation

VMAX 100K VMAX 200K VMAX 400K

Maximum power and heat dissipation at <26C and >35C a

Maximum total power consumption <26C / >35C (kVA)

Maximum heat dissipation <26C / >35C (Btu/Hr)

Maximum total power consumption <26C / >35C (kVA)

Maximum heat dissipation <26C / >35C (Btu/Hr)

Maximum total power consumption <26C / >35C (kVA)

Maximum heat dissipation <26C / >35C (Btu/Hr)

System bay 1 Single engine

8.27 / 10.8 28,201 / 36,828

8.37 / 10.9 28,542 / 37,169

8.57 / 11.1 29,224 / 37,851

System bay 2 Single engineb

8.13 / 10.4 27,723 / 35,464

8.33 / 10.6 28,405 / 36,146

8.43 / 10.7 28,746 / 36,487

System bay 1 Dual engine

6.44 / 8.8 21,960 / 30,008

6.74 / 9.1 22,983 / 31,031

7.04 / 9.4 24,006 / 32,054

System bay 2 Dual engineb

N/A 6.7 / 8.8 22,847 / 30,008

6.9 / 9 23,529 / 30,690

a. Power values and heat dissipations shown at >35C reflect the higher power levels associated with both the battery recharge cycle, and the initiation of high ambient temperature adaptive cooling algorithms. Values at <26C are reflective of more steady state maximum values during normal operation.

b. Power values for system bay 2 and all subsequent system bays where applicable.

Specifications

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 23

Adaptive cooling The systems apply adaptive cooling based on customer environments to save energy. Engines and DAEs access thermal data through components located within their enclosures. Based on ambient temperature and internal activity, they set the cooling fan speeds. As the inlet temperatures increase, the adaptive cooling increases the fan speeds, with the resulting platform power increasing up to the maximum values shown below. These values, along with the SPS recharge power consumption, contribute to the maximum system power consumption values over 35C shown in Table 6 on page 23.

l DAE120 (2.5 Drives) = 305VA - 1024 BTU/hr

l DAE60 (3.5 Drives) = 265VA - 904 BTU/hr

l Engine = 80VA - 273 BTU/hr

Specifications

24 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Airflow Systems are designed for typical hot aisle/cold aisle data center cooling environments and installation:

l On raised or nonraised floors.

l In hot aisle/cold aisle arrangements.

The airflow provides less mixing of hot and cold air, which can result in a higher return temperature to the computer room air conditioner (CRAC). This promotes better heat transfer outside the building and achieves higher energy efficiency and lower Power Usage Effectiveness (PUE). Additional efficiency can be achieved by sequestering the exhaust air completely and connecting ducts directly to a CRAC unit or to the outside.

Best practice is to place a perforated floor tile in front of each bay to allow adequate cooling air supply when installing on a raised floor. The following figure shows typical airflow in a hot aisle/ cold aisle environment.

Figure 1 Typical airflow in a hot/cold aisle environment

5

6

5

4 4

8

7 99

1 1

2

3

Table 7 Airflow diagram key

# Description # Description

1 To refrigeration unit 6 Hot aisle

2 Suspended ceiling 7 Perforated rear doors

3 Air return 8 Pressurized floor

4 System bays 9 Perforated floor tile

5 Cold aisle

Specifications

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 25

Air volume, air quality, and temperature The installation site must meet certain recommended requirements for air volume, temperature, altitude, and humidity ranges, and air quality.

Air volume specifications The following table provides the recommended maximum amount of air volume.

Table 8 Maximum air volume

Bay Units

System bay, single-engine 1,320 cfm (37.5 m3/min)

System bay, dual-engine 1,325 cfm (37.4 m3/min)

Temperature, altitude, and humidity ranges The following table provides the recommended environmental operating ranges.

Table 9 Environmental operating ranges

Condition System

Operating temperature (normal conditions)a 1032C (5090F) at 2,286 m (7,500 ft) 1035C (5095F) at 950 m (3,317 ft)

Operating temperature (excursion limit), 24 hours annually

3250C (50122F) at 2,286 m (7,500 ft)

Operating altitude (maximum) & derating 3,048 m (10,000 ft) derate 1.1C per 305 m above 2,286 m

Operating humidity range 20% to 80% RH non-condensing

Operating temperature rate of change 20C/hour

a. These values apply to the inlet temperature of any component within the bay.

Temperature and humidity range recommendations The following table provides the recommended operating and humidity ranges to ensure long-term reliability, especially in environments where air quality is a concern.

Table 10 Temperature and humidity

Condition System

Operating temperature range 64 75 F (18 to 24 C)

Operating relative humidity range 40 55%

Specifications

26 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Air quality requirements VMAX arrays are designed to be consistent with the requirements of the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) Environmental Standard Handbook and the most current revision of Thermal Guidelines for Data Processing Environments, ASHRAE TC 9.9 2011.

The arrays are best suited for Class 1A Datacom environments, which consist of tightly controlled environmental parameters, including temperature, dew point, relative humidity and air quality. These facilities house mission critical equipment and are typically fault tolerant, including the air conditioners. In a data center environment, if the air conditioning fails and the temperature is lost, a vault may occur to protect data.

The data center should maintain a cleanliness level as identified in ISO 14664-1, class 8 for particulate dust and pollution control. The air entering the data center should be filtered with a MERV 11 filter or better. The air within the data center should be continuously filtered with a MERV 8 or better filtration system. In addition, efforts should be maintained to prevent conductive particles, such as zinc whiskers, from entering the facility.

The allowable relative humidity level is 2080% non condensing, however, the recommended operating environment range is 4055%. For data centers with gaseous contamination, such as high sulfur content, lower temperatures and humidity are recommended to minimize the risk of hardware corrosion and degradation. In general, the humidity fluctuations within the data center should be minimized. It is also recommended that the data center be positively pressured and have air curtains on entry ways to prevent outside air contaminants and humidity from entering the facility.

For facilities below 40% relative humidity (RH), Dell EMC recommends using grounding straps when contacting the equipment to avoid the risk of electrostatic discharge (ESD), which can harm electronic equipment.

Note: As part of an ongoing monitoring process for the corrosiveness of the environment, Dell EMC recommends placing copper and silver coupons (per ISA 71.04-1985, Section 6.1 Reactivity) in airstreams representative of those in the data center. The monthly reactivity rate of the coupons should be less than 300 Angstroms. When monitored reactivity rate is exceeded, the coupon should be analyzed for material species and a corrective mitigation process put in place.

Specifications

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 27

Shock and vibration The following table provides the platform shock and vibration maximums and the transportation shock and vibration levels (in the vertical direction).

Note: Levels shown apply to all three axes, and should be measured with an accelerometer in the equipment enclosures within the cabinet.

Table 11 Platform shock and vibration

Platform condition Response measurement level (should not exceed)

Non operational shock 10 G's, 7 ms duration

Operational shock 3 G's, 11 ms duration

Non operational random vibration .40 Grms, 5-500Hz, 30 minutes

Operational random vibration .21 Grms, 5-500Hz, 10 minutes

Packaged system condition

Transportation shock 10 G's, 12 ms duration

Transportation random vibration 1.15 Grms, 1 hour

Frequency range 1-200 Hz

Sound power and sound pressure The following table provides the sound power and sound pressure levels.

Table 12 Sound power and sound pressure levels, A-weighted

Configuration Sound power levels (LWAd) (B) a

Sound pressure levels (LpA) (dB) b

System bay (max) 7.9 66

System bay (min) 7.6 63

a. Declared noise emissions with.3B correction factor added per ISO9296. b. Measured at the four bystander positions per ISO7779

Specifications

28 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Hardware acclimation times Units must acclimate to the operating environment before applying power. This requires the unpackaged system or component to reside in the operating environment for up to 16 hours in order to thermally stabilize and prevent condensation.

Transit/storage environment Operating environment temperature Acclimation time

Temperature Humidity

Nominal

68-72F (20-22C)

Nominal

40-55% RH

Nominal 68-72F (20-22C)

40-55% RH

0-1 hour

Cold

<68F (20C)

Dry

<30% RH

<86F (30C) 4 hours

Cold

<68F (20C)

Damp

30% RH

<86F (30C) 4 hours

Hot

>72F (22C)

Dry

<30% RH

<86F (30C) 4 hours

Hot

>72F (22C)

Humid 30-45% RH

<86F (30C) 4 hours

Humid 45-60% RH

<86F (30C) 8 hours

Humid 60% RH

<86F (30C) 16 hours

Unknown <86F (30C) 16 hours

l If there are signs of condensation after the recommended acclimation time has passed, allow an additional 8 hours to stabilize.

l Systems and components must not experience changes in temperature and humidity that are likely to cause condensation to form on or in that system or component. Do not exceed the shipping and storage temperature gradient of 45F/hr (25C/hr).

Optical multimode cables Optical multimode 3 (OM3) and optical multimode 4 (OM4) cables are available for open systems host and SRDF connectivity. To obtain OM3 or OM4 cables, contact your local sales representative.

l OM3 cables are used for SRDF connectivity over: 4, 8, and 10 Gb/s Fibre Channel I/O modules, 10 GbE and 1 GbE I/O modules.

l OM4 cables are used for SRDF connectivity over 16 Gb/s Fibre Channel I/O modules.

l OM4 cables are used with 16 Gb/s Fibre Channel I/O modules to provide Fibre Channel connection to switches. Distances of up to 190 m over 8 Gb/s Fibre Channel and 125 m over 16 Gb/s Fibre Channel modules are supported.

Specifications

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 29

OM2 or OM3 cables can be used, but distance is reduced.

l OM3 cables support 8 and 16 Gb/s Fibre Channel distances up to 150 m or 16 Gb/s Fibre Channel distances up to 100 m.

l OM2 cables support 8 Gb/s Fibre Channel distances up to 50 m or 10 Gb/s Ethernet up to 82 m.

Note: OM2 cables can be used, but they will not support 8 Gb/s Fibre Channel (SRDF) distances greater then 50 m. For longer distances, use OM3 cables.

Open systems host and SRDF connectivity The following table provides the OM3 and OM4 cables.

Table 13 OM3 and OM4 Fibre cables 50/125 micron optical cable

Model number Description

SYM-OM3-1M LC-LC, 1 meter

SYM-OM3-3M LC-LC, 3 meter

SYM-OM3-5M LC-LC, 5 meter

SYM-OM3-10M LC-LC, 10 meter

SYM-OM3-30M LC-LC, 30 meter

SYM-OM3-50M LC-LC, 50 meter

SYM-OM3-100M LC-LC, 100 meter

SYM-OM4-1M LC- LC, 1 meter

SYM-OM4-3M LC- LC, 3 meter

SYM-OM4-5M LC- LC, 5 meter

SYM-OM4-10M LC- LC, 10 meter

SYM-OM4-30M LC- LC, 30 meter

SYM-OM4-50M LC- LC, 50 meter

SYM-OM4-100M LC- LC, 100 meter

Specifications

30 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 4

Data Center Safety and Remote Support

This chapter includes:

l Fire suppressant disclaimer................................................................................................... 32 l Remote support.....................................................................................................................32

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 31

Fire suppressant disclaimer Fire prevention equipment in the computer room should always be installed as an added safety measure. A fire suppression system is the responsibility of the customer. When selecting appropriate fire suppression equipment and agents for the data center, choose carefully. An insurance underwriter, local fire marshal, and local building inspector are all parties that you should consult during the selection of a fire suppression system that provides the correct level of coverage and protection.

Equipment is designed and manufactured to internal and external standards that require certain environments for reliable operation. We do not make compatibility claims of any kind nor do we provide recommendations on fire suppression systems. It is not recommended to position storage equipment directly in the path of high pressure gas discharge streams or loud fire sirens so as to minimize the forces and vibration adverse to system integrity.

Note: The previous information is provided on an as is basis and provides no representations, warranties, guarantees or obligations on the part of our company. This information does not modify the scope of any warranty set forth in the terms and conditions of the basic purchasing agreement between the customer and the manufacturer.

Remote support Secure Remote Services is an IP-based, automated, connect home and remote support solution. Secure Remote Services is the preferred method of connectivity. Two connections with Secure Remote Services are recommended for connection to the redundant management module control station (MMCS).

Customers of Secure Remote Services must provide the following:

l An IP network with Internet connectivity.

l Capability to add Gateway Client servers and Policy Manager servers to the customer network.

l Network connectivity between the servers and Dell EMC devices to be managed by Secure Remote Services.

l Internet connectivity to the Secure Remote Services infrastructure by using outbound ports.

l Network connectivity between Secure Remote Services Client(s) and Policy Manager.

Once installed, Secure Remote Services monitors the array and automatically notifies Dell EMC Customer Service in the event of a problem. If an error is detected, a support professional utilizes the secure connection to establish a remote support session to diagnose, and if necessary, perform a repair.

Customer Service can use Secure Remote Services to:

l Perform downloads of updated software in lieu of a site visit.

l Deliver license entitlements directly to the array.

NOTICE Dell EMC provides an optional modem that uses a regular telephone line or operates with a PBX. Dell EMC recommends using two connections to the redundant management module control station (MMCS).

The Dell EMC Secure Remote Services Site Planning Guide provides additional information.

Data Center Safety and Remote Support

32 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 5

Physical weight and space

This chapter includes:

l Floor load-bearing capacity................................................................................................... 34 l Raised floor requirements......................................................................................................34 l Physical space and weight.....................................................................................................35

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 33

Floor load-bearing capacity Storage arrays can be installed on raised floors. Customers must be aware that the load-bearing capacity of the data center floor is not readily available through a visual inspection of the floor. The only definitive way to ensure that the floor is capable of supporting the load associated with the array is to have a certified architect or the data center design consultant inspect the specifications of the floor to ensure that the floor is capable of supporting the array weight.

CAUTION

l Customers are ultimately responsible for ensuring that the floor of the data center on which the array is to be configured is capable of supporting the array weight, whether the array is configured directly on the data center floor or on a raised floor supported by the data center floor.

l Failure to comply with these floor loading requirements could result in severe damage to the storage array, the raised floor, subfloor, site floor and the surrounding infrastructure should the raised floor, subfloor or site floor fail.

l Notwithstanding anything to the contrary in any agreement between Dell EMC and the customer, Dell EMC fully disclaims any and all liability for any damage or injury resulting from the customers failure to ensure that the raised floor, subfloor and/or site floor are capable of supporting the storage array weight. The customer assumes all risk and liability associated with such failure.

Raised floor requirements Best practice is to use 24 x 24 inch heavy-duty, concrete-filled steel floor tiles. If a different size or type of tile is used, the customer must ensure that the tiles have a minimum load rating that is sufficient for supporting the storage array weight. Ensure proper physical support of the system by following requirements that are based on the use of 24 x 24 in. (61 x 61 cm) heavy-duty, concrete-filled steel floor tiles.

Raised floors must meet the following requirements:

l Floor must be level.

l Floor tiles and stringers must be rated to withstand concentrated loads of two casters each that weigh up to 700 lb (317.5 kg).

Note: Caster weights are measured on a level floor. The front of the array weighs more than the rear of the configuration.

l Floor tiles and stringers must be rated for a minimum static ultimate load of 3,000 lb (1,360.8 kg).

l Floor tiles must be rated for a minimum of 1,000 lb (453.6 kg) on rolling load.

l For floor tiles that do not meet the minimum rolling load rate, Dell EMC recommends the use of coverings, such as plywood, to protect floors during system roll.

l Floor tile cutouts weaken the tile. An additional pedestal mount adjacent to the cutout of a tile can minimize floor tile deflection. The number and placement of additional pedestal mounts relative to a cutout should be in accordance with the tile manufacturers recommendations.

l Take care when positioning the bays to make sure that a caster is not moved into a cutout. Cutting tiles per specifications ensures the proper caster placement.

Physical weight and space

34 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

l Use or create no more than one floor tile cutout that is no more than 8 in. (20 cm) wide by 6 in. (15 cm) deep in each 24 x 24 in. (61 x 61 cm) floor tile.

l Ensure that the weight of any other objects in the data center does not compromise the structural integrity of the raised floor or the sub-floor (non-raised floor) of the data center.

Physical space and weight The following table provides the physical space, maximum weights, and clearance for service.

Table 14 Space and weight requirements

Bay configurations a

Heightb

(in/cm) Width (in/cm)

Depthc

(in/cm) Weight (max lbs/kg)

System bay, single- engine

75/190 24/61 47/119 2065/937

System bay, dual- engine

75/190 24/61 47/119 1860/844

a. Clearance for service/airflow is the front at 42 in (106.7 cm) front and the rear at 30 in (76.2 cm).

b. An additional 18 in (45.7 cm) is recommended for ceiling/top clearance. c. Includes front and rear doors.

Physical weight and space

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 35

Physical weight and space

36 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 6

Position Bays

This chapter includes:

l System bay layouts............................................................................................................... 38 l Dimensions for array layouts................................................................................................. 44 l Tile placement....................................................................................................................... 45 l Caster and leveler dimensions............................................................................................... 45

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 37

System bay layouts The number of bays and the system layout depend on the array model, the customer requirements, and the space and organization of the customer data center.

Storage arrays can be placed in the following layouts:

l Adjacent bays are positioned side-by-side.

l Dispersed dispersed layouts are provided with longer MIBE optical and Ethernet cable bundles that allow 82 ft (25 m) of separation between system bay 1 and system bays 2 through 8.

Dispersed system bays require dispersed cable and optics kits and one set of side skins for each dispersed system bay in the configuration.

l Adjacent and dispersed bays (mixed) layouts allow both adjacent and dispersed layout of either single or dual-engine arrays with adjacent and dispersed bays.

Note: Single and dual-engine arrays cannot be mixed.

Position Bays

38 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Adjacent layouts, single-engine array On single-engine arrays with adjacent layouts, bays are positioned side-by-side to the right of system bay 1 (front view) and secured with lower brackets.

The following figure shows adjacent layout of a single-engine array.

Figure 2 Adjacent layout, single-engine array

System

bay 1 System

bay 2

System

bay 3 System

bay 4

System

bay 5 System

bay 6

System

bay 7

System

bay 8

Engine 1 Engine 2 Engine 3 Engine 4 Engine 5 Engine 6 Engine 7 Engine 8

R1 R2 R3 R4 R5 R6 R700

Bay position

2 3 1

Table 15 Adjacent layout diagram key

# Description

1 VMAX 100K

2 VMAX 200K

3 VMAX 400K

Position Bays

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 39

Adjacent layouts, dual-engine array Dual-engine systems with adjacent layouts position system bay 1 next to system bay 2, and system bay 3 next to system bay 4.

The following figure shows the adjacent layout of dual-engine arrays by model type.

Figure 3 Adjacent layout, dual-engine array Sy

st e

m

b ay

1

Sy st

e m

b ay

2

E n

g in

e 1

E n

g in

e 2

E n

g in

e 4

E n

g in

e 3

0 0

R 1

Sy st

e m

b ay

3

Sy st

e m

b ay

4

E n

g in

e 5

E n

g in

e 7

E n

g in

e 8

E n

g in

e 6

R 2

R 3

B ay

p o

si ti

o n

2 3

1

Table 16 Adjacent layout diagram key

# Description

1 VMAX 100K

2 VMAX 200K

3 VMAX 400K

Position Bays

40 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Dispersed layouts, single-engine array The following figure shows a single-engine array with eight system bays in a dispersed layout.

Figure 4 Dispersed layout, single-engine array

System

bay 1

System

bay 3

System

bay 4

System

bay 5 System

bay 6

System

bay 8

System

bay 2

System

bay 7

Engine 3 Engine 4 Engine 5 Engine 6 Engine 7

Engine 2 Engine 1

Engine 8

Position Bays

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 41

Dispersed layout, dual-engine array The following figure shows an example of a dual-engine dispersed layout.

Figure 5 Dispersed layout, dual-engine, front view

System

bay 1

Engine 7

Engine 2

Engine 1

Engine 8

Engine 5

Engine 6

Engine 3

Engine 4

System

Bay 2

B

System

Bay 3

System

Bay 4

Position Bays

42 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Adjacent and dispersed (mixed) layout The following figure shows a single-engine array with a mixed layout.

Figure 6 Adjacent and dispersed (mixed) layout, single-engine array

System

bay 1 System

bay 2

System

bay 4

System

bay 3

Engine 3

Engine 1 Engine 2 Engine 4

Initial install

Upgrade

00 R1 R2

Bay position

Initial install

The following figure shows a dual-engine array with a mixed layout.

Position Bays

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 43

Figure 7 Adjacent and dispersed (mixed) layout, dual-engine array

System

bay 1

Engine 1

Initial

install

System

bay 2

Engine 3

Engine 2

Engine 4

System

bay 3

Engine 5

Engine 6

00 R1

Bay position

Dimensions for array layouts Placing arrays in the data center or computer room involves understanding dimensions, planning for cutouts, and ensuring clearance for power and host cables.

l On nonraised floors, cables are routed overhead. An overhead routing bracket is provided to allow easier access of overhead cables into the bay

l On raised floors, cables are routed across the subfloor beneath the tiles.

l Ensure there is a service area of 42 in (106 cm) for the front and 30 in (76 cm) for the rear of each system bay.

The following figure shows the layout dimensions:

Figure 8 Layout dimensions, VMAX3 Family

Front

Rear

47 in. (119 cm) Includes

front and rear doors

24.02 in. (61.01 cm)

4 in. (61 cm)

Position Bays

44 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Tile placement You must understand tile placement to ensure that the array is positioned properly and to allow sufficient room for service and cable management.

When placing the array, consider the following:

l Typical floor tiles are 24 in. (61 cm) by 24 in. (61 cm).

l Typical cutouts are:

n 8 in. (20.3 cm) by 6 in. (15.2 cm) maximum.

n 9 in. (22.9 cm) from the front and rear of the floor tile.

n Centered on the tiles, 9 in (22.9 cm) from the front and rear and 8 in (20.3) from sides.

l Service area of 42 in (106 cm) for the front and 30 in (76 cm) for the rear on the system bays.

The following figure provides tile placement information for all VMAX3 arrays (with doors).

Figure 9 Placement with floor tiles, VMAX3 Family

Rear

A A

System

bay

System

bay

A

System

bay

A

System

bay

A A A

System

bay

A

System

bay System

bay System

bay

Front

F

l

o

o

r

T

i

l

e

Caster and leveler dimensions The bottom of each bay includes four caster wheels. The front wheels are fixed; the two rear casters swivel in a 1.75-in. diameter. Swivel position of the caster wheels determines the load- bearing points on your site floor, but does not affect the cabinet footprint. Once you have positioned, leveled, and stabilized the bays, the four leveling feet determine the final load-bearing points on your site floor.

The following figure shows caster and leveler dimensions.

Position Bays

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 45

Figure 10 Caster and leveler dimensions

Front

Rear

Front

Rear

18.830

20.700

31.740

*1 17.102 minimum 20.580 maximum

Top view

Rear view Rear view

Right side view

3.628

3.620

30.870 minimum

32.620 maximum

1.750

1.750

20.650

40.35

Bottom view

Leveling feet

*1 *2

*3

3.620

*4 *7

*5

*6

*8

*9

*10

Table 17 Caster and leveler dimensions diagram key

# Description

*1 Minimum (17.102) and maximum (20.58) distances based on the swivel position of the caster wheel.

*2 Right front corner detail. Dimension (3.628) to the center of caster wheel from surface.

*3 Diameter (1.750) of caster wheel swivel.

*4 Outer surface of rear door.

*5

*6 Diameter (1.75) of swivel (see detail *3).

*7 Bottom view of leveling feet.

Position Bays

46 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Table 17 Caster and leveler dimensions diagram key (continued)

# Description

*8 Maximum (32.620) distance based on swivel position of the caster wheel.

*9 Minimum (30.870) distance based on swivel position of the caster wheel.

*10 Distance (3.620) to the center of the caster wheel from the surface (see detail *2).

Position Bays

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 47

Position Bays

48 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 7

Power cabling, cords and connectors

This chapter includes:

l Power distribution unit ......................................................................................................... 50 l Wiring configurations............................................................................................................ 52 l Power interface.....................................................................................................................55 l Customer input power cabling...............................................................................................55 l Best practices: Power configuration guidelines..................................................................... 55 l Power extension cords, connectors and wiring..................................................................... 56

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 49

Power distribution unit The VMAX3 array is powered by two redundant power distribution units (PDUs), one PDU for each power zone.

Both PDUs are mechanically connected together, including mounting brackets, to create a single 2U structure, as shown in the following figures. The PDUs are integrated to support AC-line input connectivity and provide outlets for every component in the bay.

The PDU is available in three wiring configurations that include:

l Single-phase

l Three-phase Delta

l Three-phase Wye

Note: The PDU AC power cords (single-phase and three-phase) extend 74" (188cm) from the PDU chassis and are designed to reach to the bay floor egress for connection to the customer power supply. 15' (4.57m) extension cables are provided.

Each PDU provides the following components:

l A total of 24 power outlets for field replaceable units (FRUs). The outlets are divided into six banks with each bank consisting of four IEC 60320 C13 individual AC outlets.

l Each bank of outlets is connected to individual branch circuits that are protected by a single two pole 20 Amp circuit breaker.

l Depending on which PDU option selected there is a different input connector for each PDU.

If the customer requires power to be supplied from overhead, Dell EMC recommends replacing the rear top cover of the bay with the ceiling routing top cover, described in Overhead routing kit on page 84, which allows the power cables inside the machine to be routed out through the top.

A second option is to "drop" the power cables down the hinge side, to the bottom, and route them inside the machine. The cables should be dressed to allow all doors to open freely and space should be provisioned accordingly to accommodate an adjacent cabinet.

Figure 11 Power distribution unit (PDU) without installed wire bales, rear view

Power cabling, cords and connectors

50 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Figure 12 Power distribution unit (PDU) with installed wire bales, rear view

Note: Utilize proper strain relief methods when customer-provided power drops are located overhead or wall-mounted.

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 51

Wiring configurations NOTICE These wiring configurations are used for the redundant PDU in the complete assembly (PDU A and PDU B). Each figure represents half of the independent PDU assembly. The same wiring configurations are used on each PDU.

Note: The PDU AC power cords (single-phase and three-phase) extend 74" (188cm) from the PDU chassis and are designed to reach to the bay floor egress for connection to the customer power supply. 15' (4.57m) extension cables are provided.

Single-phase wiring configuration

Figure 13 Single-phase, horizontal 2U PDU internal wiring

1 2 3

1514 16 18 19 2120

20A CB4

22

20A CB1

20A CB5 20A CB6

23

20A CB2 20A CB3

L1

L1

L1

L1 L1

L1

4 5 6 7 8 9 10 11

13

LN LN LN

L 1

= 1

0 A

W G

L 2

= 1

0 A

W G

10 AWG

NL L N L N

P1

L2

L2 L2

L2

L2

L2

G

G =

1 0

A W

G

G

L 1

= 1

0 A

W G

L 2

= 1

0 A

W G

G =

1 0

A W

G G

re e n

L 1

= 1

0 A

W G

L 2

= 1

0 A

W G

G =

1 0

A W

G G

re e n

G

P2 P3

.

LN LN

17

NL L N L N

LN

12

24

P3P1 P2

Single-phase PDU connector, L6-30P x 6

Power cabling, cords and connectors

52 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Three-phase (Delta) wiring configuration

Figure 14 Three-phase (Delta), horizontal 2U PDU internal wiring

20A CB4

20A CB1

20A CB5 20A CB6

L1 L2

L3 G

20A CB2 20A CB3

L1

L1

L1

L1L2

L2

L2

L2 L3

L3 L3

L3

L 1 (X

) =

8 A

W G

B la

c k

w ir

e

L 2

( Y

) =

8 A

W G

W h it e

w ir

e

L 3

( Z

) =

8 A

W G

R e

d w

ir e

G =

8 A

W G

G re

e n

8 AWG

P1

1413 15 17 18 2019 21 22

12

LN LN LNLN LN

16

LN

1 2 3 4 5 6 7 8 9 10 11

NL L N L N

NL L N L N

23 24

Hubbell CS-8365L or equivalent x 2

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 53

Three-phase (Wye) wiring configuration

Figure 15 Three-phase (Wye), horizontal 2U PDU internal wiring

P1

20A CB4

20A CB1

20A CB5

20A CB6

L1 L2 L3 N

20A CB2

20A CB3

L1

L1

L2

L2 L3

L3

L 1

( X

) B

ro w

n

L 2

( Y

) B

la ck

L 3

( Z

) G

ra y

G re

e n /y

e llo

w

10 AWG

G

N

N N

N

N

N

N B

lu e

1413 15 17 18 2019 21 22

12

LN LN LNLN LN

16

LN

1 2 3 4 5 6 7 8 9 10 11

NL L N L NNL L N L N

23 24

ABL SURSUM S52S30A or equivalent x 2

Power cabling, cords and connectors

54 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Power interface Data centers must conform to the corresponding specification for arrays installed in North American, International, and Australian sites.

Each bay in a system configuration contains a complete 2U PDU assembly. The PDU assembly is constructed with two electrically individual PDUs.

Customers are responsible for meeting all local electrical safety requirements.

Customer input power cabling Before the array is delivered, the customer must supply and install the required receptacles on their PDUs for zone A and zone B power for each system bay.

Dell EMC recommends that the customer's electrician be present at installation time to work with the Dell EMC customer engineer to verify power redundancy.

Refer to the Dell EMC Best Practices Guide for AC Power Connections for PowerMax 2000, 8000 with PowerMaxOS for required items at the customer site.

Best practices: Power configuration guidelines The following section provides best practice guidelines for evaluating and connecting power, as well as for choosing a UPS component.

Uptime Institute best practices

Follow these best practice guidelines when connecting AC power to the array:

l The Dell EMC customer engineer (CE) should discuss with the customer the need for validating AC power redundancy at each bay. If the power redundancy requirements are not met in each bay, a Data Unavailable (DU) event could occur.

l The customer should complete power provisioning with the data center prior to connecting power to the array.

l The customers electrician or facilities representative must verify that the AC voltage is within specification at each of the power drops being fed to each product bay.

l All of the power drops should be labeled to indicate the source of power (PDU) and the specific circuit breakers utilized within each PDU:

n Color code the power cables to help achieve redundancy.

n Clearly label the equipment served by each circuit breaker within the customer PDU.

l The electrician or facilities representative must verify that there are two power drops fed from separate redundant PDUs prior to turning on the array:

n If both power drops to a bay are connected to the same PDU incorrectly, a DU event will result during normal data center maintenance when the PDU is switched off. The label on the power cables depicts the correct connection.

l The electrician should pay particular attention to how each PDU receives power from each UPS within the data center because it is possible to create a scenario where turning off a UPS for maintenance could cause both power feeds to a single bay to be turned off, creating a DU event.

l The customers electrician should perform an AC verification test by turning off the individual circuit breakers feeding each power zone within the bay, while the customer engineer monitors the LED on the SPS modules to verify that power redundancy has been achieved in each bay.

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 55

One customer PDU should never supply both power zone feeds to any one rack of equipment.

Power extension cords, connectors and wiring The following section illustrates a variety of extension cords that offer different interface connector options. The selected cords are used to interface between the customers power source and each PDU connection.

The number of cords needed is determined by the number of bays in the array and the type of input power source used (single-phase or three-phase).

Power cabling, cords and connectors

56 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Single-phase The following tables describe the extension cords and connector options for single-phase power transmission.

Table 18 Extension cords and connectors options single-phase

Plug on each Dell EMC power corda

Dell EMC-supplied extension cord/model numberb, c

Dell EMC Power Cable P/N

Dell EMC-supplied extension cord receptacle (P1) connecting to Dell EMC plug

Dell EMC-supplied extension cord plug (P2) connecting to customer PDU receptacle

Customer PDU receptacle

NEMA L6-30

E-PW40U-US 038-003- 438 (BLK 15FT)

038-003- 898 (GRY 15FT)

038-003- 479 (BLK 21FT)

038-003- 794 (GRY 21FT)

NEMA L6-30R NEMA L6-30P NEMA L6-30R

E-PW40URUS 038-003- 441 (BLK 15FT)

038-003- 901 (GRY 15FT)

038-003- 482 (BLK 21FT)

038-003- 797 (GRY 21FT)

NEMA L6-30R Russellstoll 3750DP Russellstoll 9C33U0

E-PW40UIEC3

CAUTION The single phase line voltage must be below 264VAC to use these cable assemblies.

038-003- 440 (BLK 15FT)

038-003- 900 (GRY 15FT)

038-003- 481 (BLK 21FT)

NEMA L6-30R IEC-309 332P6 IEC-309 332C6

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 57

Table 18 Extension cords and connectors options single-phase (continued)

Plug on each Dell EMC power corda

Dell EMC-supplied extension cord/model numberb, c

Dell EMC Power Cable P/N

Dell EMC-supplied extension cord receptacle (P1) connecting to Dell EMC plug

Dell EMC-supplied extension cord plug (P2) connecting to customer PDU receptacle

Customer PDU receptacle

038-003- 796 (GRY 21FT)

E-PW40UASTL 038-003- 439 (BLK 15FT)

038-003- 899 (GRY 15FT)

038-003- 480 (BLK 21FT)

038-003- 795 (GRY 21FT)

NEMA L6-30R CLIPSAL 56PA332 CLIPSAL 56CSC332

E-PW40L730 CAUTION The single phase line voltage must be below 264VAC to use these cable assemblies.

038-004- 301 (BLK 15FT)

038-004- 302 (GRY 15FT)

038-004- 303 (BLK 21FT)

038-004- 304 (GRY 21FT)

NEMA L6-30R NEMA L7-30P NEMA L7-30R

a. Six (6) plugs per system bay b. Two (2) cords per model, cord length of 15 feet / 4.57 meters. c. The Dell EMC ordering system defaults to one of the extension cord models based on the country of installation. The

default value can be overridden in the Dell EMC ordering system.

Customer-to-system wiring for bays (single-phase)

The following figures provide cable descriptions for customer-to-system wiring for single-phase power transmission.

Note: Each single-phase power cable L (Line), N (Neutral) or L (Line) signal connection depends on the country of use.

Power cabling, cords and connectors

58 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Figure 16 Single-phase: E-PW40U-US

P1 P2

L6-30R L6-30P

X Y

G

Power cord wiring diagram

Color From To Signal

BLK P1-X P2-X L

WHT P1-Y P2-Y N

GRN P1-G P2-G GND

X Y

G

L6-30R L6-30P

X Y

G

Power cord wiring diagram

Color From To Signal

BLK P1-X P2-X L

WHT P1-Y P2-Y L

GRN P1-G P2-G GND

X Y

G

L6-30R L6-30P

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 59

Figure 17 Single-phase: E-PW40URUS

P1 P2

L6-30R 3750DP

X Y

G

Color From To Signal

BLK P1-X P2-L1 L

WHT P1-Y P2-L2 N

GRN P1-G P2-G GND

Power cord wiring diagram

L6-30R

L1 L2

G

3750DP

X Y

G

Color From To Signal

BLK P1-X P2-L1 L

WHT P1-Y P2-L2 L

GRN P1-G P2-G GND

Power cord wiring diagram

L6-30R

L1 L2

G

3750DP

Figure 18 Single-phase: E-PW40UIEC3

X Y

G

P1 P2

L6-30R 332P6W

G

Y X

Color From To Signal

BRN P1-X P2-X L

BLU P1-Y P2-Y N

GRN/YEL P1-G P2-G GND

X Y

G

Power cord wiring diagram

L6-30R 332P6W

X Y

G

Color From To Signal

BLK P1-X P2-X L

WHT P1-Y P2-Y L

GRN/YEL P1-G P2-G GND

Power cord wiring diagram

L6-30R 332P6W

G

Y X

G

Y X

Power cabling, cords and connectors

60 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Figure 19 Single-phase: E-PW40UASTL

P1 P2

L6-30R

CLIPSAL

56PA332

Color From To Signal

BRN P1-X P2-AP L

BLU P1-Y P2-N N

GRN/YEL P1-G P2-E GND

X Y

G

Power cord wiring diagram

L6-30R 56PA332

G

Y X

G

Y X

Color From To Signal

BRN P1-X P2-AP L

BLU P1-Y P2-N L

GRN/YEL P1-G P2-E GND

X Y

G

Power cord wiring diagram

L6-30R 56PA332

G

Y X

X Y

G

Figure 20 Single-phase: E-PW40L730

L6-30R L7-30P

P1 P2

Color Signal P1 P2

BLK L X Brass

WHT N Y W (Silver)

GRN/YEL GND GND GND

X Y

G

Power cord wiring diagram

L6-30R L7-30P

Color Signal P1 P2

BLK L X Brass

WHT L Y W (Silver)

GRN/YEL GND GND GND

X Y

G

Power cord wiring diagram

L6-30R L7-30P

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 61

Three-phase Wye (International) The following table describes the extension cords and connector for three-phase international (Wye) power transmission.

Table 19 Extension cords and connectors options three-phase international (Wye)

Plug on each Dell EMC power corda

Dell EMC supplied extension cord Dell EMC model numberb

Dell EMC Power Cable P/N

Dell EMC supplied extension cord receptacle (P1) connecting to Dell EMC plug

Dell EMC supplied extension cord plug (P2) connecting to customer PDU receptacle

Customer PDU receptacle

ABL Sursum - S52S30A or Hubbell - C530P6S

E-PC3YAFLEc 038-004-572 (BLK 15FT)

038-004-573 (GRY 15FT)

ABL Sursum - K52S30A or Hubbell - C530C6S

Flying Leads

(International)

Determined by customer

E-PCBL3YAG 038-004-574 (BLK 15FT)

038-004-575 (GRY 15FT)

ABL Sursum - K52S30A or Hubbell - C530C6S

ABL Sursum - S52S30A or Hubbell - C530P6S

ABL Sursum - K52S30A or Hubbell - C530C6S

a. Two (2) plugs per bay. Up to four (4) plugs if a third party or second system is in the rack.

b. Two (2) cords per model, cord length of 15 feet / 4.57 meters. c. The Dell EMC ordering system defaults to one of the extension cord models based on the country of installation. The

default value can be overridden in the Dell EMC ordering system.

Power cabling, cords and connectors

62 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Customer-to-system wiring (three-phase, International)

The following figures provide cable descriptions for customer-to-system wiring for three-phase international power transmission.

Figure 21 Flying leads, three-phase, international: E-PC3YAFLE,

P1

Shrink tubing

ABL Sursum - K52S30A or

Hubbell - C530C6S

Wire

Color From

Hubbell

Connector

ABL

Sursum

Connector

TO

BRN P1 R1 L1 X-(L1)

BLK P1 S2 L2 Y-(L2)

GRY P1 T3 L3 Z-(L3)

BLU P1 N N W-(N)

GRN/YEL P1 G PE GND

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 63

Figure 22 Three-phase, international: E-PCBL3YAG

P1

ABL Sursum - K52S30A or

Hubbell - C530C6S

P2

ABL Sursum - S52S30A or

Hubbell - C530P6S

Wire Color From Hubbell ABL-Surum To Hubbell ABL-Surum

BRN P1 R1 L1 P2 R1 L1

BLK P1 S2 L2 P2 S2 L2

GRY P1 T3 L3 P2 T3 L3

BLU P1 N N P2 N N

GRN/YEL P1 G PE P2 G PE

Power cabling, cords and connectors

64 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Three-phase North American Delta The following table describes the extension cords and connector for three-phase North American (Delta) power transmission.

Table 20 Extension cords and connectors options three-phase North American (Delta)

Plug on each Dell EMC power corda

Dell EMC supplied extension cord Dell EMC model numberb

Dell EMC Power Cable P/N

Dell EMC supplied

extension cord receptacle (P1) connecting to Dell EMC plug

Dell EMC supplied extension cord plug (P2) connecting to customer PDU receptacle

Customer PDU receptacle

Hubbell CS-8365C

E-PCBL3DHRc 038-003-272 (BLK 15FT)

038-003-789 (GRY 15FT)

Hubbell CS-8364C

Russellstoll 9P54U2

Russellstoll 9C54U2d

E-PCBL3DHH 038-003-271 (BLK 15FT)

038-003-788 (GRY 15FT)

Hubbell CS-8364C

Hubbell CS-8365C

Hubbell CS-8364C

a. Two (2) plugs per bay. b. Two (2) cords per model, cord length of 15 feet / 4.57 meters. c. The Dell EMC ordering system defaults to one of the extension cord models based on the country of installation. The

default value can be overridden in the Dell EMC ordering system. d. Dell EMC supplied as Dell EMC model number E-ACON3P-50.

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 65

Customer-to-system wiring (three-phase, North American (Delta))

The following figures provide cable descriptions for three-phase North American (Delta) power transmission.

Figure 23 Three-phase, North American, Delta: E-PCBL3DHR

P1 P2

CS8364 Russellstoll 9P54U2

CS8364 9P54U2Color

BLK

WHT

RED

GRN

From

P1-X

P1-Y

P1-Z

P1-G

To

P2-X

P2-Y

P2-Z

P2-G

Signal

L1

L2

L3

GND

X

Y ZX

Y

Z

Power cord wiring diagram

Figure 24 Three-phase, North American, Delta: E-PCBL3DHH

P1 P2

CS8364 CS8365

CS8364 CS8365Color

BLK

WHT

RED

GRN

From

P1-X

P1-Y

P1-Z

P1-G

To

P2-X

P2-Y

P2-Z

P2-G

Signal

L1

L2

L3

GND

Y

Z

ZX

X

Y

Power cabling, cords and connectors

66 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Three-phase Wye (Domestic) The following table describes the extension cords and connector for three-phase Wye domestic power transmission.

Table 21 Extension cords and connectors options three-phase Wye, domestic

Plug on back of Dell EMC systema

Dell EMC supplied extension cord Dell EMC model numberb

Dell EMC Power Cable P/N

Dell EMC supplied extension cord receptacle (P1) connecting to Dell EMC plug

Dell EMC supplied extension cord plug (P2) connecting to customer PDU receptacle

Customer PDU receptacle

ABL Sursum S52.30

E-PCBL3YL23P c,d 038-004-305 (BLK 15FT)

038-004-306 (GRY 15FT)

Hubbell C530C6S NEMA L22-30P NEMA L22-30R

a. Two (2) plugs per bay. b. Two (2) cords per model, cord length of 15 feet / 4.57 meters. c. The Dell EMC ordering system defaults to one of the extension cord models based on the country of installation. The

default value can be overridden in the Dell EMC ordering system. d. The line to neutral voltage must be below 264VAC to use these cable assemblies.

Power cabling, cords and connectors

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 67

Customer-to-system wiring (three-phase, Wye, Domestic)

The following figure provides cable descriptions for models with three-phase Wye domestic power transmission.

Figure 25 Three-phase, domestic (Black and Gray): E-PCBL3YL23P H

u b b e ll

C 5 3 0 C 6 S

N E M

A

P 1

P 2

L 2 2 -3

0 P

C o lo

r F ro

m (

P 1 )

T

o (

P 2 ) S

ig n a l

B L K 1

P 1 -R

1

P 2 -X

L 1

B L K 2

P 1 -S

2

P 2 -Y

L 2

B L K 3

P 1 -T

3

P 2 -Z

L 3

B L K 4

P 1 -N

P 2 -N

N G

R N

/Y LW

P 1 -G

P 2 -G

G N

D

C 5 3 0 C 6 S

L 2 2 -3

0 P

B la

ck , 1 5 f

t

G ra

y, 1

5 f

t

P 1

P 2

C o lo

r

F ro

m (

P 1 )

To (

P 2 )

S ig

n a l

B R N

P 1 -R

1

P 2 -X

L 1

B L K

P 1 -S

2

P 2 -Y

L 2

G R A Y

P 1 -T

3

P 2 -Z

L 3

B L U

E

P 1 -N

P 2 -N

N G

R N

/Y LW

G

N D

G N

D

G

N D

C 5 3 0 C 6 S

L 2 2 -3

0 P

Power cabling, cords and connectors

68 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 8

Grounding Racks

Supplemental rack grounding is not required for single bay configurations. Chassis to chassis grounding is required for systems with multiple bays.

l Grounding requirements........................................................................................................ 70 l Grounding a single bay.......................................................................................................... 70 l Chassis to chassis grounding..................................................................................................71

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 69

Grounding requirements The following table summarizes rack grounding requirements for VMAX systems.

Number of racks in system Grounding required? Reference

1 No Grounding a single bay on page 70

2+ Yes Chassis to chassis grounding on page 71

Grounding a single bay Equipment correctly installed within the cabinet is grounded through the AC power cables and connectors. In general, supplemental grounding is not required for a single bay.

If your site requires external grounding (for example, to a common grounding network beneath the site floor), you can use the grounding lugs provided on each of the cabinets bottom supports.

Figure 26 Location of cabinet ground lugs

CL4827

046-0 03-3

50

Grounding Racks

70 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Chassis to chassis grounding Rack to rack chassis ground connections are required to mitigate the risk of large AC power transients in the data center affecting system performance. Large AC power transients can occur from one or a combination of: electrical power grid problems feeding a facility; weak facility grounding; powerful lightning storm strikes; or facility power equipment failure.

In multiple bay Dell EMC rack systems, use the rack to rack grounding kit, PN 106-562-209, to provide chassis to chassis grounding. The kit provides straps for both the front and rear of the cabinets. Both straps must be installed to provide chassis to chassis grounding.

In customer rack systems, mechanisms for tying racks together to provide the ground connection can vary based on the rack provided by the customer and site facility preference. PN 106-562-209 is a rack to rack grounding kit for Dell EMC racks. The grounding kit may or may not work on racks provided by the customer due to the variety of ground location positions on racks. If the grounding kit does not work, a site electrician should add a ground cable tying the two racks common frame ground points together with 6AWG wire.

Grounding Racks

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 71

Grounding Racks

72 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 9

Third Party Racking Option

This chapter includes:

l Computer room requirements ...............................................................................................74 l Customer rack requirements ................................................................................................ 75 l Third party racks with vertical PDUs RPQ Required ........................................................ 77 l Chassis to chassis grounding................................................................................................. 81

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 73

Computer room requirements

The following computer room requirements provide service access and minimize physical disruption:

l To ensure integrity of cables and connections, do not move racks that are secured (bolted) together after installation.

l A minimum of 42 inches (107 cm) front and 30 inches (76 cm) rear clearance is required to provide adequate airflow and to allow for system service.

Third Party Racking Option

74 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Customer rack requirements The array components are shipped in a fully tested Dell EMC rack and are installed into the customer-supplied rack by Dell EMC customer support engineers only. The original shipping rack, when empty, is returned to Dell EMC after the installation is complete.

To ensure successful installation and secure component placement, customer racks must conform to the following requirements:

l National Electrical Manufacturers Association (NEMA) standard for 19-inch cabinets.

l Individual racks must be empty at the time of installation.

l Threaded hole racks are not supported.

l The cabinet must be in its final location with stabilizing (anti-tip) brackets installed.

l A separate rack that supports a minimum 2000 lb/907 kg of weight must be provided for each system bay.

Note: The customer must ensure floor load bearing requirements are met.

l Components and cables installed in customer racks must conform to these configuration rules:

n Components and cables within a system bay can not be moved to available space in different bay, or to a different location within the same bay.

n System must be properly positioned in accordance with physical placement rules.

l Internal depth of at least 43 inches (109 cm) with the front and rear doors closed. This measurement is from the front surface of the NEMA rail to the rear door.

l Round or square channel openings must support M5 screws that secure rails and components. Clip nuts are provided as required.

l Non-dispersed rack-to-rack pass-through cable access at least 3 inches (7.6 cm) in diameter must be available via side panels or horizontal through openings.

l To ensure proper clearance and air flow to the array components, customer supplied front doors and standard bezels, if used, must include a minimum of 2.5 inch (6.3 cm) clearance between the back surface of the door to the front surface of the vertical NEMA rails. Front and rear doors must also provide:

n A minimum of 60% (evenly distributed) air perforation openings.

n Appropriate access for service personnel, with no items that prevent front or rear access to Dell EMC components.

n Exterior visibility of system LEDs.

Third Party Racking Option

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 75

Figure 27 Customer rack dimension requirements

Rack

Post

R e

a r

(19 (48.26 cm) min

Rack

Post

Rack

Post

Rack

Post

Rear NEMA Front NEMA

Front NEMA Rear NEMA

(2 4

(6

0 .9

6 c

m )

m in

)

1 9

N

E M

A

F ro

n t

F ro

n t

D o o r

a b c

(24 (60.96 cm) min)

2.5 (6.35 cm) (min)

(4 8

.2 6

c m

) R e a r D

o o r

Min depth

(43 (109.2 cm) min)

d

e

Rack, Top View

Rack depth = a+b+c

Dim Label Description

a = distance between front surface of rack post and NEMA rail.

b = distance between NEMA rails. (24" (60.96 cm) recommended, up to 34" (86.36 cm) allowed.)

c = distance between rear NEMA rails to interior surface of rear door. Minimum requirement = 19" (48.26 cm).

d If a front door exists, = distance between inner-front surface of the front door and the front NEMA rail.

e = distance between rear surface of rack post to inner surface of rear door.

Third Party Racking Option

76 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Third party racks with vertical PDUs RPQ Required Each system bay is powered by two redundant power distribution units (PDUs), one PDU for each power zone. Rather than use the standard Dell EMC horizontal PDU, the customer can use vertical PDUs via RPQ. The general requirements for third party racks with rear-facing or inward-facing PDUs are listed below.

l Requirements for third party racks with vertical PDUs (inward-facing) on page 80

l Requirements for third party racks with vertical PDUs (rear-facing) on page 78

General requirements for vertical PDUs within third party racks

In addition to meeting standard VMAX array power requirements, vertical PDUs should abide by the following:

l Both PDUs support AC-line input connectivity and provide outlets for every component in the bay.

l The PDU must be available in the wiring configuration that matches the customer power supply. Options include:

n Single-phase

n Three-phase Delta

n Three-phase Wye

l Each PDU should meet the following requirements:

n At a minimum, a total of 24 power outlets must be provided. The outlets are divided into six banks with each bank consisting of four IEC 60320 C13 individual AC outlets.

n Each bank of outlets is connected to individual branch circuits that are protected by a single two pole 20 Amp circuit breaker.

n The PDU capacity should exceed the power requirements shown in the Power Calculator for the specific max configuration.

n Single PDU mounted per side per Figure 28 on page 78 and Figure 29 on page 80.

If the customer requires power to be supplied from overhead, Dell EMC recommends one of the following:

l Option 1: Replace the rear top cover of the bay with the ceiling routing top cover, described in Overhead routing kit on page 84, which allows the power cables inside the machine to be routed out through the top.

l Option 2: "Drop" the power cables down the hinge side, to the bottom, and route them inside the machine.

The cables should be dressed to allow all doors to open freely, minimize cable congestion, and provide access to components within the system.

Third Party Racking Option

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 77

Requirements for third party racks with vertical PDUs (rear-facing) If using a rear-facing PDU within a third party rack, refer to the diagram below to ensure that the rack and PDU combination are sufficient for the array.

Figure 28 Requirements for customer rack with rear-facing, vertical PDUs

Customer Rack with rear-facing non-EMC PDU, Top View

Rack

Post Rear NEMAFront NEMA

Front NEMA Rear NEMA

F ro

n t

F ro

n t

D o o r

Rack

Post

Rack

Post

Rack

Post pw

pw Customer PDU

Customer PDU

Space required by enclosures

engine rails, and cable

management arms

j

R e a r D

o o r

e

a b c (24 (60.96 cm) min)

Min depth (k)

(43 (109.2 cm) min)

R e

a r

1 9

N

E M

A (4

8 .2

6 c

m )

d

2.5 (6.35 cm) (min)

f g

f

g

h i

Rack depth = a+b+c

Dim Label Description

a = distance between front surface of rack post and NEMA rail.

b = distance between NEMA rails. (24" (60.96 cm) recommended, up to 34" (86.36 cm) allowed.)

c = distance between rear NEMA rails to exterior, rear surface of rack.

d If a front door exists, = distance between inner-front surface of the front door and the front NEMA rail.

e = distance between rear surface of rack post to inner surface of rear door.

f = distance between inside surface of rack post and 19" (48.26cm) space required by rails, enclosures, and cable management arms. Minimum of 3" (7.62cm) is recommended. Note: If no rack post, minimum recommended distance is measured to inside surface of rack.

g = width of rack post.

h = 19" (48.26 cm) + (2f) Min requirement = 25" (63.5 cm)

i = rack width (minimum) 19" (48.26 cm) + (2f) + (2g)

Where:

Third Party Racking Option

78 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Dim Label Description

l f = recommended minimum of 3" (7.62cm)

l g = rear rack post width (if any)

l pw + " (1.3cm) f+g

j 6" (15.24cm) is a requirement. Distance between rear-facing surface of vertical PDU and the rack post or any other parallel surface that may interfere with the power cables.

Note: Dimension k is dependent on this value.

k = min depth: b+c Where:

l j 6" (15.24cm) is a requirement.

l IF j is 6" (15.24cm), min rack depth = 43" (109.2cm).

l IF j is < 6" (15.24cm), min rack depth = 43" (109.2cm) + distance required to make j 6" (15.24cm).

pw = PDU width

Third Party Racking Option

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 79

Requirements for third party racks with vertical PDUs (inward-facing) If using a inward-facing PDU within a third party rack, refer to the diagram below to ensure that the rack and PDU combination are sufficient for the array.

Figure 29 Requirements for third party rack with inward-facing, vertical PDUs

Rack with inward-facing non-EMC PDU, Top View

Rack

Post

Rear NEMA Front NEMA

Front NEMA Rear NEMA

F ro

n t

F ro

n t

D o o r

Rack

Post

Rack

Post

Rack

Post

Space required by enclosures

engine rails, and cable

management arms P D U

pw

pd

a b (24 (60.96 cm) min)

d

2.5 (6.35 cm) (min)

(f )

1 9

(4

8 .2

6 c

m )+

( 2

g )

m in

e

R e a r D

o o r

R e

a r

1 9

N

E M

A (4

8 .2

6 c

m )

cb g

P D U

c

(h) 43 (109.2 cm) min

Min depth

Rack depth = a+b+c

Dim Label Description

a = distance between front surface of rack post and NEMA rail.

b = distance between NEMA rails. (24" (60.96 cm) recommended, up to 34" (86.36 cm) allowed.)

c = distance between rear NEMA to exterior, rear surface of rack.

cb (Cable Bend) = 4" minimum (10.156 cm)

d If a front door exists, = distance between inner-front surface of the front door and the front NEMA rail.

e = distance between rear surface of rack post to inner surface of rear door.

f = rack width: 19" (48.26cm) + (2g) (Min requirement for inward-facing vertical PDU)

g pd (PDU Depth) + cb (Cable Bend)

Third Party Racking Option

80 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Dim Label Description

Note: PDU and connected cords cannot interfere with serviceability of system. This includes maintenance of cable management arms.

h min depth: = b+c (43" (109.2cm) minimum) This is minimum space required for enclosures, engine rails, and cable management arms.

pd = PDU depth

pw = PDU width

Chassis to chassis grounding Rack to rack chassis ground connections are required to mitigate the risk of large AC power transients in the data center affecting system performance. Large AC power transients can occur from one or a combination of: electrical power grid problems feeding a facility; weak facility grounding; powerful lightning storm strikes; or facility power equipment failure.

In multiple bay Dell EMC rack systems, use the rack to rack grounding kit, PN 106-562-209, to provide chassis to chassis grounding. The kit provides straps for both the front and rear of the cabinets. Both straps must be installed to provide chassis to chassis grounding.

In customer rack systems, mechanisms for tying racks together to provide the ground connection can vary based on the rack provided by the customer and site facility preference. PN 106-562-209 is a rack to rack grounding kit for Dell EMC racks. The grounding kit may or may not work on racks provided by the customer due to the variety of ground location positions on racks. If the grounding kit does not work, a site electrician should add a ground cable tying the two racks common frame ground points together with 6AWG wire.

Third Party Racking Option

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 81

Third Party Racking Option

82 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

CHAPTER 10

Optional kits

This chapter includes:

l Overhead routing kit..............................................................................................................84 l Dispersion kits....................................................................................................................... 84 l Securing kits......................................................................................................................... 85 l GridRunner kit and customer-supplied cable trough..............................................................85

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 83

Overhead routing kit When installing an array in non-raised or raised floor environments, the host cabling and power are handled from overhead using the top routing kit.

Note: Utilize proper strain relief methods when customer-provided power drops are located overhead or wall-mounted.

Figure 30 Top routing cover

Table 22 Overhead routing models

Model Top routing kit

VMAX3 Family E-TOP-KIT

Dispersion kits Each dispersed system bay requires a dispersion kit specific to the bay number. The dispersion kits include a 82 foot (25 m) optical cable and optics for the dispersed engine. When installing a dispersed layout, side skins (E-SKINS) are required.

The following table lists model numbers for new installations and upgrades.

Table 23 Dispersion kit model numbers

Model Description

E-DSOPTICE2 VMAX VG SYS BAY 2 DSP CBLOPTICS KIT

E-DSOPTICE2U VMAX VG SYS BAY 2 DSP CBLOPTICS KIT UPG

E-DSOPTICE3 VMAX VG SYS BAY 3 DSP CBLOPTICS KIT

E-DSOPTICE3U VMAX VG SYS BAY 3 DSP CBLOPTICS KIT UPG

E-DSOPTICE4 VMAX VG SYS BAY 3 DSP CBLOPTICS KIT UPG

E-DSOPTICE4U VMAX VG SYS BAY 4 DSP CBLOPTICS KIT UPG

Optional kits

84 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Table 23 Dispersion kit model numbers (continued)

Model Description

E-DSOPTICE5 VMAX VG SYS BAY 5 DSP CBLOPTICS KIT

E-DSOPTICE5U VMAX VG SYS BAY 5 DSP CBLOPTICS KIT UPG

E-DSOPTICE6 VMAX VG SYS BAY 6 DSP CBLOPTICS KIT

E-DSOPTICE6U VMAX VG SYS BAY 6 DSP CBLOPTICS KIT UPG

E-DSOPTICE7 VMAX VG SYS BAY 7 DSP CBLOPTICS KIT

E-DSOPTICE7U VMAX VG SYS BAY 7 DSP CBLOPTICS KIT UPG

E-DSOPTICE8 VMAX VG SYS BAY 8 DSP CBLOPTICS KIT

E-DSOPTICE8U VMAX VG SYS BAY 8 DSP CBLOPTICS KIT UPG

Securing kits The Securing Kits contain heavy brackets plus hardware used to attach the brackets to the frames of the system bays. The brackets are attached to the floor using bolts that engage the flooring substructure provided by the customer.

The Dell EMC VMAX Securing Kit Installation Guide provides installation instructions.

Table 24 Securing kit models

Model Description

E-SECURE Secure kit for single bay

E-SECUREADD Secure kit for joining bays

GridRunner kit and customer-supplied cable trough

The Dell EMC GridRunner bottom routing kit (E-BOT-KIT) and customer-supplied cable troughs can help organize and protect subfloor cables that connect separated bays. GridRunners reduce the vertical drop of the dispersion cables, which may increase the distance between the separated bays.

Each GridRunner supports the cable bundle above the subfloor. GridRunners are installed with brackets that attach to the stanchions under the raised floor. The stanchions are up to one inch in diameter, measured at six inches (15.24 cm) below the raised tiles.

To ensure sufficient support of the cable bundle, a GridRunner should be installed every two meters.

Optional kits

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 85

Table 25 Bottom routing model

Model Description

E-BOT-KIT a Bottom routing kit

a. GridRunner basket for supporting cables beneath the floor for dispersed bays.

Optional kits

86 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

APPENDIX

Best Practices for AC Power Connections

This chapter includes:

l Best practices overview for AC power connections...............................................................88 l Selecting the proper AC power connection procedure.......................................................... 89 l Procedure A: Working with the customer's electrician onsite................................................90 l Procedure B: Verify and connect...........................................................................................97 l Procedure C: Obtain customer verification........................................................................... 98 l PDU labels.............................................................................................................................98 l AC power specifications...................................................................................................... 100

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 87

Best practices overview for AC power connections To assure fault tolerant power, external AC power must be supplied from independent, customer- supplied, power distribution units (PDUs) as shown in Figure 31 on page 88.

For systems operating from three phase AC power, two independent and isolated AC power sources are recommended for the two individual power zones in each rack of the system. This provides for the highest level of redundancy and system availability. If independent AC power is not available, there is a higher risk of data unavailability should a power failure occur, including individual phase loss occurring in both power zones.

Before connecting external AC power to storage bays, verify that the bays have been placed in their final position as explained in the installation guide.

Figure 31 Two independent customer-supplied PDUs

Customers PDU 1

Customers PDU 2

Circuit breakers on (|)

Circuit breakers on (|)

Circuit breakers - Numbers

27

28

29

30

Circuit breakers - Numbers

...

8

9

10

11

...

Power feed 1 Power feed 2

Best Practices for AC Power Connections

88 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Selecting the proper AC power connection procedure Note: The Dell EMC Customer Engineer must select the proper AC power connection procedure.

Table 26 on page 89 summarizes the three possible scenarios to connect customer AC power to the storage array. Select the procedure that matches the customer's situation.

Table 26 Procedure options for AC power connection

Situation on site Procedure

The customers electrician is available at the installation site.

Procedure A: Working with the customer's electrician onsite on page 90. This procedure assures fault tolerant power in the storage array.

The customers electrician is NOT available at the installation site, but you have access to customer- supplied, labeled, power cables (beneath a raised floor or overhead).

Procedure B: Verify and connect on page 97

The customers electrician is NOT available at the installation site, customer-supplied PDU source cables are already plugged into the PDU , and you have no access to the customer-supplied power cables.

Procedure C: Obtain customer verification on page 98

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 89

Procedure A: Working with the customer's electrician onsite Use this procedure if the customers electrician is available at the installation site.

This procedure requires three basic tasks that alternate between the customer's electrician, the Dell EMC CE and back to the customer's electrician.

l Task 1: Customer's electrician

l Task 2: Dell EMC Customer Engineer (CE)

l Task 3: Customer's electrician

Best Practices for AC Power Connections

90 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Procedure A, Task 1: Customer's electrician About this task

NOTICE This task is performed by the customer's electrician.

Procedure

1. Verify that the customer-supplied AC source voltage output on each customer-supplied PDU is within the AC power specification shown in AC power specifications on page 100. Measure the voltage output of each power cable as shown in Figure 32 on page 91.

2. Turn OFF all the relevant circuit breakers in customer-supplied PDU 1 and customer- supplied PDU 2.

3. Verify that the customer-supplied power cables connected to PDU 1 and PDU 2 have no power as shown in Figure 33 on page 91.

Figure 32 Circuit breakers ON AC power within specification

Customers PDU 1

Customers PDU 2

Circuit breakers on (|)

Circuit breakers on (|)

Circuit breakers - Numbers

27

28

29

30

Circuit breakers - Numbers

...

8

9

10

11

...

Labels on customer power lines

Power feed 1 Power feed 2

PDU 1 CB 28

PDU 2

CB 9

Voltmeter

TYPE PM89 CLASS 25 01

0

100 240 300V

Voltmeter

TYPE PM89 CLASS 25 01

0

100 240 300V

Figure 33 Circuit breakers OFF No AC power

Customers PDU 1

Customers PDU 2

Circuit breaker off (0)

Circuit breaker off (0)Circuit breakers - Numbers

27

28

29

30

Circuit breakers - Numbers

...

8

9

10

11

...

PDU 2

CB 9

PDU 1 CB 28

Labels on customer power lines

Voltmeter

TYPE PM89 CLASS 25 01

0

100 240 300V

Voltmeter

TYPE PM89 CLASS 25 01

0

100 240 300V

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 91

Procedure A, Task 2: Dell EMC Customer Engineer Before you begin

Before connecting power to the system, make sure that the power for both zone A and zone B are turned OFF. This task is performed by the Dell EMC Customer Engineer.

Figure 34 System bay power tee breakers (OFF = pulled out)

2

1

3

4

5

6

7

8

9

10

11

12

13

14

15

16

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23

24

25

26

27

28

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31

32

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36

37

38

39

40

PDU PDU

System Bay (rear view)

Z o

n e

B

Z o

n e

A

1 2

3 4

5 6

1 2

3 4

5 6

Power zone B

Left side

Power zone A

Right side 1

2 3

4 5

6

1 2

3 4

5 6

Zone A

Right side

Zone B

Left side

Power zone B

Left side

Power zone A

Right side

(W it h

r e

a r

d o

o r

re m

o ve

d )

(W it h

r e

a r

d o

o r

)

ON OFF

1 2

3 4

5 6

1 2

3 4

5 6

Procedure

1. Confirm that the customer-supplied power cables are labeled and that each label contains the relevant customer-supplied PDU and circuit breaker numbers. If power cables are not equipped with labels, alert the customer.

2. Compare the numbers on the customer-supplied power cables for each Dell EMC bay to verify that power zone A and power zone B are powered by a different customer-supplied PDU.

3. Do one of the following to connect power zone A and power zone B in each bay. If necessary, use the 15ft extension cords provided by Dell EMC.

l For single-phase power: Connect customer-supplied PDU power cables to the Dell EMC bay by connecting to the bay's AC input cables for power zone A and power zone B as shown below.

Best Practices for AC Power Connections

92 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Figure 35 Connecting AC power, single-phase

Customers PDU 1

Zone B

AC input

cable B

15 ft. extension

cord options

Mating connector or

customer-supplied cable

Customers PDU 2

Zone A

AC input

cable A

15 ft. extension

cord options

Mating connector or

customer-supplied cable

EMC-supplied power cable

and connector from the PDUCable connectors are shown

as they exit the bottom rear

of the bay.

Rear view System bay

Zone B PDU

(Left) Zone A PDU

(Right)

EMC-supplied power cable

and connector from the PDU

P1 P2 P3 P1 P2 P3P2 and P3 used

depending on

configuration

l For three-phase power: Connect customer-supplied PDU power cables to the Dell EMC bay by connecting to the bay's AC input cables for power zone A and power zone B as shown below.

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 93

Figure 36 Connecting AC power, three-phase

Customers PDU 1

Zone B

AC input

cable B

15 ft. extension

cord options

Mating connector or

customer-supplied cable

Customers PDU 2

Zone A

AC input

cable A

15 ft. extension

cord options

Mating connector or

customer-supplied cable

EMC-supplied power cable

and connector from the PDU

Rear view System bay

Zone B PDU

(Left)

Zone A PDU

(Right)

EMC-supplied power cable

and connector from the PDU

Zone B PDU

(Left) Zone A PDU

(Right)

Cable connectors are shown

as they exit the bottom rear

of the bay.

NOTICE Do not connect Dell EMC bay power zone A and power zone B to the same customer-supplied PDU. The customer will lose power redundancy and risk Data Unavailability (DU) if the PDU fails or is turned off during a maintenance procedure.

Best Practices for AC Power Connections

94 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Figure 37 Power zone connections

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Zone B Zone A

(Rear View) SYSTEM

Customers Power

Source 1

Circuit

Breakers

(CBs)

Zone B Zone A

(Rear View) SYSTEM

Customers Power

Source 1

Circuit

Breakers

(CBs)

Customers Power

Source 2

Circuit

Breakers

(CBs)

:tnatropmI launam noitcurtsni ot refeR

Zone B Zone A

(Rear View) SYSTEM

Customers Power

Source 1

Circuit

Breakers

(CBs)

Zone B Zone A

(Rear View) SYSTEM

Customers Power

Source 1

Circuit

Breakers

(CBs)

Customers Power

Source 2

Circuit

Breakers

(CBs)

0 4 6 -0 0 1 -7 4 9 _ 0 1

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 95

Procedure A, Task 3: Customer's electrician About this task

Note: This task is performed by the customer's electrician.

Procedure

1. Working with the Dell EMC Customer Engineer, turn ON all the relevant circuit breakers in customer-supplied PDU 2.

Verify that only power supply and/or SPS LEDs in power zone A are ON or flashing green in every bay in the array.

CAUTION The bay is incorrectly wired if all (power zone A and B) power supply and/or SPS LEDs in a bay are ON or flashing green. Check that the AC power to both storage bay power zones is not supplied by a single PDU (customer-supplied PDU 2). The wiring must be corrected before moving on to the next step.

2. Turn OFF the relevant circuit breakers in customer-supplied PDU 2.

Verify that the power supply and/or SPS LEDs that turned green in the previous step changed from green to OFF and/or flashing yellow. The yellow SPS lights flash for a maximum of 5 minutes.

Note: Power supplies connected to an SPS continue to have green lights ON while the SPS yellow light continues to flash indicating the SPS is providing on-battery power.

3. Repeat step 1 and step 2 for power zone B and customer-supplied PDU 1.

4. Turn ON all the relevant circuit breakers in customer-supplied PDU 1 and customer-supplied PDU 2.

5. Label the PDUs as described in PDU labels on page 98.

Best Practices for AC Power Connections

96 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Procedure B: Verify and connect About this task

Perform this procedure if the two conditions listed below are true:

l You have access to customer-supplied, labeled, power cables (beneath raised floor or overhead).

l The customer's electrician is not available at the installation site.

This procedure requires the Dell EMC Customer Engineer to verify that the customer's electrician has complied with power specifications. Once verified, the Dell EMC Customer Engineer makes the required power connections overhead or under the floor.

Note: Utilize proper strain relief methods when customer-provided power drops are located overhead or wall-mounted.

Procedure

1. Have the customer verify that their electrician has complied with power specifications for voltage levels and redundancy. If the customer cannot verify this, provide them with a copy of Procedure A. Inform the customer that their array may prematurely shut down in the event of a site power issue.

2. Access the labeled, power cables (beneath raised floor or overhead) to verify that the customer-supplied power cables are properly labeled as shown in Figure 33 on page 91 and described in Procedure A, Task 2.

3. Compare the numbers on the customer-supplied power cables for each storage bay to verify that power zone A and power zone B are powered by a different customer-supplied PDU.

4. Connect the customer's PDU AC cables to the storage bay power zones as described in Procedure A, Task 2.

5. Record the customer-supplied PDU information as described in Procedure A, Task 2.

6. Label the PDUs as described in PDU labels on page 98.

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 97

Procedure C: Obtain customer verification About this task

Perform this procedure if the three conditions listed below are true:

l The customer-supplied PDU source cables are already plugged into the storage bay PDU.

l You have no access to the area below the raised floor.

l The customer's electrician is not available at the installation site.

Procedure

1. Have the customer verify that their electrician has complied with power specifications for voltage levels and redundancy. If the customer cannot verify this, provide them with a copy of Procedure A. Inform the customer that their array may prematurely shut down in the event of a site power issue.

2. Record the customer-supplied PDU information (AC source voltage) as described in step 1 of Procedure A, Task 1: Customer's electrician on page 91 and label the PDUs as described in PDU labels on page 98.

PDU labels Before applying labels to the PDUs, one of the following procedures must have been completed:

l Procedure A: Working with the customer's electrician onsite on page 90

l Procedure B: Verify and connect on page 97

l Procedure C: Obtain customer verification on page 98

If necessary, see Selecting the proper AC power connection procedure on page 89 to select the correct procedure.

PDU label part numbers

VMAX3 Family

Table 27 VMAX3 Family label part numbers, EMC racks

For... Use PN Description Location

All bays PN 046-001-750 LABEL: CUSTOMER 1P 3P PDU INFO WRITEABLE

OPEN ME FIRST, KIT, PN 106-887-026

Best Practices for AC Power Connections

98 Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K

Applying PDU labels, VMAX3 Family Procedure

1. For each bay, locate and complete the PDU label.

Note: For three-phase power, enter data only in the P1 column.

2. Place the label on the top surface of the PDU enclosure for side A and B.

Figure 38 PDU label , single-phase and three-phase

Customer PDU Information

Power Zone B

PDU

Panel

CB(s)

P1 P2 P3

Power Zone A

PDU

Panel

CB(s)

P1 P2 P3

Figure 39 Label placement Customer PDU Information

Rear View

Zone A PDU labelZone B PDU label

Best Practices for AC Power Connections

Dell EMC VMAX3 Family Site Planning Guide VMAX 100K, VMAX 200K, and VMAX 400K 99

AC power specifications

Table 28 Input power requirements - Single-phase, North American, International, Australian

Specification North American 3-wire connection (2 L & 1 G)a

International and Australian 3-wire connection (1 L & 1 N & 1 G)a

Input nominal voltage 200240 VAC 10% L- L nom

220240 VAC 10% L- N nom

Frequency 5060 Hz 5060 Hz

Circuit breakers 30 A 32 A

Power zones Two Two

Minimum power requirements at customer site

l Three 30 A, single-phase drops per zone.

l Two power zones require 6 drops, each drop rated for 30 A.

l PDU A and PDU B require three separate single-phase 30 A drops for each PDU.

a. L = line or phase, N = neutral, G = ground

Table 29 Input power requirements - Three-phase, North American, International, Australian

Specification North American 4-wire connection (3 L & 1 G)a

International 5-wire connection (3 L & 1 N & 1 G)a

Input voltageb 200240 VAC 10% L- L nom

220240 VAC 10% L- N nom

Frequency 5060 Hz 5060 Hz

Circuit breakers 50 A 32 A

Power zones Two Two

Minimum power requirements at customer site

One 50 A three-phase line cord per power zone.

One 32 A three-phase line cord per power zone.

a. L = line or phase, N = neutral, G = ground b. An imbalance of AC input currents may exist on the three-phase power source feeding the

array, depending on the configuration. The customer's electrician must be alerted to this possible condition to balance t

Manualsnet FAQs

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