SMC HAW22 Aftercooler Operation Manual PDF

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Summary of Content for SMC HAW22 Aftercooler Operation Manual PDF

Doc.no. ATX-OM-F003E-C

PRODUCT NAME

Water Cooled Aftercooler

MODEL / SERIES

HAW2 HAW7

HAW22 HAW37 HAW55 HAW75 HAW110

2020 SMC CORPORATION All Rights Reserved.

This manual is intended to explain the installation and operation of the product. Only people who understand the basic operation of the product, or have basic knowledge and ability to handle industrial machinery, are allowed to work on the product.

To Customers

Thank you for selecting SMC Water Cooled Aftercooler. For safety and long life of the product, be sure to read this Operation Manual (hereinafter referred to as the manual) and clearly understand the contents. The instructions described in this manual must be followed in addition to ISO 4414*1) and

JIS B 8370*2) and other safety regulations. *1) ISO4414: Pneumatic fluid power Recommendations for the application of equipment to

transmission and control systems. *2) JIS B 8370: General rules for pneumatic equipment.

This manual is intended to explain the installation and operation of the product. Only people who understand the basic operation of the product through this manual, or who install and operate industrial machinery and have basic knowledge and ability to handle such equipment, are allowed to work on the product.

This manual and other documents attached to the product do not constitute a contract, and will not affect any existing agreements or commitments.

It is strictly prohibited to copy this manual entirely or partially for use by a third party without

prior permission from SMC.

Note: This manual is subject to change without prior notice.

Table of Contents

i. Safety Instructions 1

1. Specifications 4

2. Model No. identification mark 5

3. Construction Principle 5

4. Outer dimensions and descriptions of each part 6

5. Installation 9

6. Cautions 10

7. Maintenance 11

8. Water quality standard of cooling water 13

Water Cooled Aftercooler

HAW Series - 1 - i-1 Warning: Before using this product

i Safety Instructions

Before using the product be sure to read and understand all the important actions highlighted in this manual.

i - 1 Warning: Before using this product

This chapter is intended to specifically describe the safety related issues for handling the product.

Read this before handling the product.

- The water cooled aftercooler is a product that cools the hot and humid air discharged from the compressor with

cooling water, and condenses and separates the contained water.SMC does not take any responsibility for any

problems that may arise from using the product for other purposes.

- Not only people handle the water cooled aftercooler but every people who perform maintenance on or do works related to it

should read safety instructions on this operation manual before handling.

- This manual is not a comprehensive manual covering safety and health related issues. This should be handled by

a person in charge of safety training.

- All personnel who work with or around the product should have sufficient knowledge about the dangers inherent

to the product and be trained in safety measures.

- The safety manager is responsible for strictly observing safety standards, but responsibility in respect to safety

standards during daily work resides with each individual operator and maintenance personnel.

- The operator and maintenance personnel should consider work places and environments for each task with due

consideration of safety issues.

- It is necessary to undergo appropriate general safety training before being trained about this product. Training

without having sufficient knowledge about safety is very dangerous. Training must not be conducted without

consideration to safety.

- This manual must be kept available to the operator whenever necessary.

i - 2 Danger, Warning and Caution The instructions given in this manual aim to assure the safe and correct operation of the product, and to prevent injury of operators or damage to the product. These instructions are grouped into three categories, "Danger", "Warning" and "Caution", which indicate the level of hazard, damage and also the degree of emergency. All safety critical information should be carefully observed at all times.

DANGER, WARNING and CAUTION signs are in order according to severity (DANGER> WARNING> CAUTION). The signs are explained on the following page.

Danger "Danger" indicates a hazard with a high level of risk which will result in death or serious

injury if an operator performs incorrect handling during the operation and maintenance of the product or does not follow the instructions necessary to avoid it.

Warning Warning indicates a hazard with a medium level of risk which will result in death or serious injury if an operator does not follow the specified procedures during the operation or maintenance of the product or does not follow the instructions necessary to avoid it.

Caution Caution indicates a hazard of a low level of risk which will result in minor and moderate

injury or damage to product and equipment if an operator does not follow the specified procedures during the operation and maintenance of the product or does not follow the instructions to avoid it.

ATX-OM-F003E i Safety Instructions

Water Cooled Aftercooler

HAW Series - 2 -

i - 3 Hazards related to high temperatures

Warning - Since this product has parts that become hot during operation, there is a danger of burns

resulting from contact with these parts. There is also a danger of burns due to residual

heat after the power supply is cut. Therefore, wait until the temperature of hot parts has

fallen below 50oC.

- Excessive or insufficient cooling water will damage the heat transfer tubes, so design within the

rated water volume range. (Refer to product specifications)

i - 4 Hazards related to pneumatic circuit

Warning - Be sure to check air pressure is zero before replacing the element or performing the

maintenance of the auto drain.

- When parts are loosened, there is a possibility of becoming rapid part unexpected accident such

as shooting out and it is very dangerous when the compressed air pressure remains in the

product.

ATX-OM-F003E i Safety Instructions

i-3 Hazards related to high temperatures

Water Cooled Aftercooler

HAW Series - 3 -

i - 5 Limited warranty and Disclaimer / Compliance Requirements

The product used subject to the following Limited warranty and Disclaimer and Compliance Requirements. Read and accept them before using the product.

Limited warranty and Disclaimer

(1) The warranty period of the product is 1 year in service or 1.5 years after the product is delivered.

Also, the product may have specified durability, running distance or replacement parts. Please

consult your nearest sales branch.

(2) For any failure or damage reported within the warranty period which is clearly our responsibility, a

replacement product or necessary parts will be provided.

This limited warranty applies only to our product independently, and not to any other damage

incurred due to the failure of the product.

(3) Prior to using SMC products, please read and understand the warranty terms and disclaimers

noted in the specified catalog for the particular products.

Compliance Requirements

1. The use of SMC products with production equipment for the manufacture of weapons of mass

destruction (WMD) or other weapon is strictly prohibited.

2. The exports of SMC products or technology from one country to another are govemed by the

relevant security laws and regulation of the countries involved in the transaction. Prior to the

shipment of a SMC product of a SMC product to another country, assure that all local rules

goveming that export are known and followed.

Caution

The Product is provided use in manufacturing industries.

The product herein described is basically provided for peaceful use in manufacturing industries.

If considering using the product in other industries, consult SMC beforehand and exchange

specifications or a contact if necessary.

If anything is unclear, contact your nearest sales branch.

Caution

SMC products are not intended for use as instruments for legal metrology.

Measurement instruments that SMC manufactures or sells have not been qualified by type approval

tests relevant to the metrology (measurement) laws of each country. Therefore, SMC products cannot

be used for business or certification ordained by the metrology (measurement) laws of each country.

ATX-OM-F003E i Safety Instructions

i-5 Limited warranty and Disclaimer / Compliance Requirements

Water Cooled Aftercooler

HAW Series - 4 -

1. Specifications

ATX-OM-F003E 1. Specifications

1. Specifications

Water Cooled Aftercooler

HAW Series - 5 -

2Model No. Identification Mark

3Construction Principle

ATX-OM-F003E 2. Model No. Identification Mark

2. Model No. Identification Mark

Water Cooled Aftercooler

HAW Series - 6 -

4Outer dimensions and descriptions of each part

1) Outer dimensions

HAW2/7

HAW22 to 110

(mm)

Model A B C D E F G H J K L M N P Q R S T U V W Y Z ZA

HAW2-04 360 190 83 35 270 35 130 203 159 159 182 209 60 - 60 - 94 4.5 10 1/2 1/2 1/2 - -

HAW7-06 570 390 83 35 480 35 130 203 159 159 182 209 60 - 60 - 94 4.5 10 3/4 1/2 1/2 - -

HAW22-14 948 575 212 37 704 138 165 257 245 215 206 254 90 120 60 120 150 4.5 12 1 1/2 3/4 3/4 359 371

HAW37-14 1354 893 258 80 1056 170 216 315 264 219 234 305 100 140 66 140 139 6.0 18 1 1/2 3/4 1 380 431

HAW55-20 1612 1038 366 150 1203 276 216 315 264 219 234 305 100 140 66 140 139 6.0 18 2 3/4 1 375 426

HAW75-20 2112 1538 366 150 1703 276 216 315 264 219 234 305 100 140 66 140 139 6.0 18 2 3/4 1 375 426

HAW110-30 1724 950 500 72 1210 365 267 - - - 303 356 200 Note 1 70 Note 1 195 8.0 18 3 1 1 1/4 395 459

Note 1) HAW110-30 is 220

2VHAW110-30

Flange

ATX-OM-F003E 4. Outer dimensions and descriptions of each part

4 1) Outer dimensions

Water Cooled Aftercooler

HAW Series - 7 -

2) Descriptions of each part HAW2/7

ATX-OM-F003E 4. Outer dimensions and descriptions of each part

part

4 2) Descriptions of each part

Component parts (HAW2/7)

No.

1

2

3

4

Replacement parts

No. Description Material

2 Flower fin tube

assembly

Aluminum,

Copper,

Carbon steel

5 Seal Non-asbestos

6 Seal Non-asbestos

Water chamber cover FC200

Flower fin tube assembly C1220T

Housing AC2A-F

Description Material

Outside tube AC2A-F

Note

-

Flower fin

-

-

HAW2 HAW7

42012

(1 pc.)

42013

(2 pcs.)

42022

(1 pc.)

42013

(2 pcs.)

42015

(1 pc.)

42015

(1 pc.)

Water Cooled Aftercooler

HAW Series - 8 -

HAW22 to 110

4 2) Descriptions of each part

ATX-OM-F003E 4. Outer dimensions and descriptions of each part

part

Component parts (HAW22 to 110)

No.

1

2

3

4

5

Replacement parts

No. Description Material HAW22 HAW37 HAW55 HAW75 HAW110

4 Flower fin tube

assembly

Aluminum,

Copper,

Carbon steel

42036

(1 pc.)

42046

(1 pc.)

42054

(1 pc.)

42062

(1 pc.)

42073

(1 pc.)

6 Seal Non-asbestos 42032#1

(2 pcs.)

42042#1

(2 pcs.)

42042#1

(2 pcs.)

42042#1

(2 pcs.) -

7 Seal Non-asbestos 42035#1

(1 pc.)

42045#1

(1 pc.)

42045#1

(1 pc.)

42045#1

(1 pc.)

42072#1

(1 pc.)

8 Seal Non-asbestos 42037#1

(1 pc.)

42047#1

(1 pc.)

42047#1

(1 pc.)

42047#1

(1 pc.)

42074#1

(1 pc.)

Housing

Outside tube

Body

FC200Water chamber cover

Note

-

-

-

Flower fin

-

Flower fin tube assembly

Description Material

SGPSS400

STK

FC200

C1220T

Water Cooled Aftercooler

HAW Series - 9 -

5Installation

(1)Installation Location

1) Install the after-Cooler in level.

2) Make sure to correctly connect the compressed air inlet/outlet and the cooling water inlet/outlet.

3) Use union joints to connect the cooling water pipes so that they can be easily removed during maintenance.

4) Connect a drain pipe because a large amount of drainage is generated when the compressed air is

cooled. The drain pipe must have a minimum pipe bore of 10 mm, and a maximum length of 5 m (when installing an optional auto drain).

5) Auto-drain is available on request.

6) For applications where the use of extremely contaminated cooling water is unavoidable, install a filter in the inlet line. (Nominal filtration rating approx.100m)

7) After installing this water-cooled after-cooler, hot air will flow in, so first check for air leaks.

8) Select the diameters of water and air pipings large enough to eliminate pressure drops. Diameters larger than the connection ports provided on this unit are sufficient.

9) Inspect the quality of the cooling water and replace the circulating water on a regular basis. If the

cooling water is cooled in a cooling tower, it is susceptible to the adhesion of water scale.

10) If there is a likelihood that the cooling water will be frozen, drain the cooling water to prevent damage. Also, drain the cooling water when the equipment will not be used

11) If the cooling performance has been reduced, clean the inside of the cooling water pipes. (Refer to the cleaning method, refer to 7. Maintenance.)

ATX-OM-F003E 5. Installation

5. 1) Installation Location

Water Cooled Aftercooler

HAW Series - 10 -

(2) Air Piping

1) When the compressed air from a compressor is cooled down, a lot of condensed water will be

generated. Do not forget to conduct drain piping at the outlet of the drain valve. It is recommended to use an automatic drain system for savings in labor. We recommend our auto drain in the table below.

Product part number Auto drain number

Normally closed Normally open HAW2-04C/D AD402-04C-6-A AD402-04D-6-A

HAW7-06D AD402-04D-6-A

HAW22/37-14D AD600-06

HAW55/75-20D AD600-06

HAW110-30D AD600-10

2) The drain piping, if conducted, should have an inside diameter of at least 10mm and a maximum

length of 5m. Improper piping will cause the back pressure to excessively increase at the time of draining, resulting in unstable function of the auto drain.

Warning

- When draining, follow the users own procedure to keep operators safe. (E.g. Wearprotective goggles, apron and gloves to prevent contact with the drained condensate.)

- When oils can enter the drained condensate, waste water treatment is necessary.

Follow the bylaws or rules of the local municipality.

6 Cautions

1) Use city water or industrial water as the cooling water. Never use sea water.

2) The unit cannot be used for the purpose of cooling chemicals and food.

3) Mount water suspension relay to prevent overheating without cooling water in case.

ATX-OM-F003E 5. Installation

6 2)Air Piping

Water Cooled Aftercooler

HAW Series - 11 -

7Maintenance

To hold the excellent cooling capacity for a long period of time and make more effective use of the unit, the following inspection and maintenance operations must be made.

1) Open the drain valve and remove the drainage once and a while.

2) When an automatic drain system is used, check once and a while to see that drainage is discharged.

When the humidity is low or the compressor is run for a short time period, drain may not be produced.

3) Carry out inspection once or twice a year, depending on the degree of contamination of the fluid used.

4) In applications where the cooling water is cooled by a cooling tower the inside of the cooling water pipes in

liable to collect fur, with possible decrease in flow rater of the cooling water. The use of the same cooling water for longer period is also liable to generate deposit of fur on the inside of the pipes. Replace the circulating water periodically. Furthermore, carry out back washing with opposite connection of inlet and outlet for cooling water.

5) For the use in a cold district where freezing of the cooling water is possible during the winter, drain the

water after use. The water should also be drained when the unit is kept shut down for longer period. (This will prevent fur from deposition.)

6) Decrease in cooling performance usually results from extremely contaminated cooling water. When the unit

exhibits the decrease in cooling performance (a reading on the provided thermometer exceeds 40),

perform mechanical cleaning (such as cleaning by a jet cleaner or a bar with cloth, or brushing) inside of the cooling water piping first, and then chemical cleaning inside the cooling water system after re-assembling.

7) Being larger in cross-sectional area, the pass for air is considered being rarely blocked unless it is badly

contaminated. Should the greater pressure loss be encountered, the principal cause may be accumulation of sludge (deteriorated oil). In such a case, remove the unit from the piping, disassemble and clean the unit with alcohol.

8) In cleaning the finned tubes for the air and brushing the copper tubes for the water, disassemble the unit in

the following order referring to Construction Drawings.

[Disassembling Models HAW2/7]

(1) Remove the water chamber cover and housing. (2) Push the heat transfer assembly from the housing side, and then the assembly will come out of the

shell.

[Disassembling Models HAW22 to 110] (1) Remove the water chamber cover. (2) Remove the hex cap bolts on the plate of the heat transfer assembly and install a M8 eye bolt. (3) Thread a rope through the eye bolts, and pull it.

When sticking of the plate to the body makes pulling the plate difficult, pull in by the aid of a lever-operated jack.

ATX-OM-F003E 7. Maintenance

7.Maintenance

Water Cooled Aftercooler

HAW Series - 12 -

Note: 1. Great care should be paid not to damage the cooper tubes of the pulled out heat transfer assembly. 2. Disassembling job requires spare packing; contact our dealers for the spare pickings. (For the number of

the packing, refer to the Spare Parts list on page 7 to 8.) 3. Assembling may be performed in the reverse order. In assembling, push the heat transfer assembly into

the shell in such a condition that two bolts are vertically symmetric as shown in the Figure 1.

Danger During drainage work, follow your own procedure to ensure the safety of operators

(e.g.wear protective goggles, apron and gloves).

Danger There is a risk of touching drained waste liquid during replacement.

When draining, follow the users own procedure to keep operators safe.

(E.g. Wear protective goggles, apron and gloves to prevent contact with the drained

condensate.)

Danger If the drained fluid contains oil, waste liquid treatment is necessary according to local

laws orregulations.

Danger Be sure to check air pressure is zero before replacing the element or performing the

maintenance of the auto drain.

ATX-OM-F003E 7. Maintenance

7.Maintenance

Figure 1

Water Cooled Aftercooler

HAW Series - 13 -

8Water quality standard of cooling water

Various kinds of water, such as potable water, ground water, industrial water, river water etc. would be used as cooling water, and they may cause the following troubles that deteriorate the performance of After cooler when they are contaminated.

(1) Heat transfer pipings burst out due to corrosion. (2) The performance to transfer heat decreases due to formed coating caused by fur (the generic term

including scale, rust, slime etc.) (3) The amount of cooling water decreases due to the blocked flow caused by fur accumulation, and

that leads the decrease of cooling performance. In the worst case, it would be blocked completely.

If water is used as the facility water, please refer to JRA-GL-02-1994 [water quality guidelines for refrigeration and air-conditioning equipment] prepared by Japan Refrigeration and Air Conditioning Industry Association as a reference for the water quality level to prevent excessive corrosion and scale-related problems. The values are shown in Table 2.

Table 2

Item

Facility water system

Circulating type Transient type

Circulating fluid Filling of

circulating fluid Transient fluid

S ta

n d

a rd

i te

m s

pH [25C] 6.5 to 8.2 6.0 to 8.0 6.8 to8.0

Electrical conductivity (mS/m) [25C]

80 or less 30 or less 40 or less

Chloride ions (mg/L) 200 or less 50 or less 50 or less

Sulfuric acid ions (mg/L) 200 or less 50 or less 50 or less

Acid consumption [pH4.8](mgCaCO3/L)

100 or less 50 or less 50 or less

Total hardness (mgCaCO3/L) 200 or less 70 or less 70 or less

Calcium hardness (mgCaCO3/L) 150 or less 50 or less 50 or less

Ionic state silica (mgSiO2/L) 50 or less 30 or less 30 or less

R e

fe re

n c e

i te

m s

Iron (mg/L) 1.0 or less 0.3 or less 1.0 or less

Copper (mg/L) 0.3 or less 0.1 or less 1.0 or less

Sulfide ions (mg/L) Shall not be

detected. Shall not be

detected. Shall not be

detected.

Ammonium ions (mg/L) 1.0 or less 0.1 or less 1.0 or less

Residual chloride (mg/L) 0.3 or less 0.3 or less 0.3 or less

Free carbon dioxide (mg/L) 4.0 or less 4.0 or less 4.0 or less

Stability index 6.0 to 7.0 or

less

8. Water quality standard of cooling water

ATX-OM-F003E 8. Water quality standard of cooling water

Water Cooled Aftercooler

HAW Series - 14 -

- Water quality inspection (Once a month)

If tap water or ground water (well water) is used as the facility water for the water-cooled condenser,

test the items shown in Table 2 using JIS K 0101 (Test methods for industrial water) or methods

based on these methods, and determine the applicability of the water based on the criteria shown in

Table 2.

If the values are outside of the criteria, the following measures shall be taken before using it.

a) Change of the water source (e.g. Change ground water to tap water.)

b) Consult a water treatment consultant about how to treat the water.

c) Change the cooling method from transient type to circulating type, and use applicable facility

water.

If the facility water in a cooling tower is used, the water quality standard will be satisfied at the initial stage, however, if it is used in an air contaminated environment, sulfurous acid gas in the air may dissolve into the facility water, forming sulfuric acid which may corrode the electro-thermal surface. Therefore, control the water quality regularly by inspecting and replacing the facility water regularly.

-Cleaning of the facility water equipment (once every three months)

Clean the facility water equipment and replace the facility water.

The supplied facility water should be within the range shown in Table 2.

8. Water quality standard of cooling water

ATX-OM-F003E 8. Water quality standard of cooling water

Revision

Rev. BOctober 2020

Rev. CDecember 2021

4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 URL http://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. 2020 SMC Corporation All

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