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Compressor Unit
Instruction Manual
SA112-C
Export Control Policy
When applying a refrigerator to a cryocooler for optical sensors, the
cryocooler falls under row 6.A.2.d.2 of the control list established by
The Wassenaar Arrangement, which is equal to row 10(2) of
appended table 1 of Japan's Export Trade Control Order.
Customers must follow all related rules and regulations such as
Foreign Exchange and Foreign Trade Act and take appropriate
procedures when exporting or re-exporting our refrigerators.
D/N. MEOM082E, 2018AL02
ULVAC CRYOGENICS INCORPORATED
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Summary of Contents for Ulvac SA112-C
- Page 1 1 of Japan’s Export Trade Control Order. Customers must follow all related rules and regulations such as Foreign Exchange and Foreign Trade Act and take appropriate procedures when exporting or re-exporting our refrigerators. D/N. MEOM082E, 2018AL02 ULVAC CRYOGENICS INCORPORATED...
- Page 3 (1) It is strictly prohibited to duplicate or reproduce this manual either partially or entirely, or disclose or transfer to a third party without written permission from ULVAC CRYOGENICS. (2) Information in this document is subject to change without notice, along with the specification change or improvement of the product.
- Page 4 There is a risk of fire or explosion. Hazardous voltage . Electric shock may cause severe injury or loss of life. Hot heating part present. There is a risk of burn injury. Low-temperature area present. There is a risk of frostbite. Do not touch. ULVAC CRYOGENICS INCORPORATED...
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Page 5: Table Of Contents
4.2.4. Piping Connections ·················································································· 19 Operation ········································································································ 20 5.1. Start Operation ····························································································· 20 5.2. Stop Operation ······························································································ 20 5.3. Checking Normal Operation ············································································ 20 Maintenance ···································································································· 21 6.1. Scheduled Maintenance ·················································································· 21 6.1.1. Replacing Adsorbers ················································································ 21 ULVAC CRYOGENICS INCORPORATED... - Page 6 6.1.2. Charging Helium Gas ·············································································· 22 6.1.3. Cleaning the Compressor Unit ·································································· 23 6.2. On-site Repair ······························································································· 25 6.2.1. Replacing Fuses ······················································································ 25 Troubleshooting ································································································ 26 Electrical Schematic Wiring Diagram ··································································· 29 Warranty ········································································································· 30 ULVAC CRYOGENICS INCORPORATED...
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Page 7: Safety Precautions
Internal parts, such as compressor motor or exhaust piping are in extremely high temperature during and immediately after operation. When performing repair or maintenance activities, wait until the inside returns to the normal temperature and start working. Otherwise, it may result in burn injury. ULVAC CRYOGENICS INCORPORATED... - Page 8 Before proceeding with disposal work, remove the couplings of the adsorber to visually confirm that it has been depressurized. We offer Safety Data Sheet (called SDS) of our products upon your request. For detailed information please contact our Service Engineering Division or the nearest customer support center. ULVAC CRYOGENICS INCORPORATED...
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Page 9: Inspection
1. Inspection Upon receiving the compressor unit SA112-C, immediately check for any damage that may have occurred during shipping according to the following procedures. 1. Check for any visible dents, etc., on the outside the packaging for shipping. Keep the packaging for shipping in case you need to make a claim regarding dents, etc. -
Page 10: General Instructions
3. General Instructions 3.1. Specifications Table 3-1 shows the specifications for Helium Compressor Unit SA112-C. Table 3-1 Compressor Unit SA112-C Specifications Compressor unit SA112-C φ, V, Hz Power source Single phase, 100, 50/60 ＊１ 1.1/1.3 Power consumption ＊１ Starting current 56/52 ＊１... -
Page 11: Overview / General Descriptions
A compressor unit is comprised of the following components- a compressor, cooling system device, oil separator, adsorber, and so on. 3.2.1. Control and Connection Table 3-2 and Figure 3-1 show the control and connection of SA112-C. Control and connection of the compressor unit Table 3-2... - Page 12 Figure 3-1 Control and Connection of SA112-C 3. PRESS. AL. indicator lamp 2. TEMP. AL. indicator lamp 1. RUN indicator lamp 5. HOUR METER 12. REMOTE/LOCAL switch 4. RUN/STOP switch 6. He PRESSURE METER 7. He GAS CHARGE 16. EARTH (pump) 11.
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Page 13: Flow Of Gas And Oil In The Compressor Unit
Detection and control device for the temperature of the compressed 17 Thermostat（26G） helium gas at the outlet of the compressor. Control monitor and warning system for the helium gas compression unit. 18 Control panel (See item on “1-3 Instructions on the Electrical System.”) ULVAC CRYOGENICS INCORPORATED... - Page 14 Figure 3-2 Refrigerant Circuit Diagram ULVAC CRYOGENICS INCORPORATED...
- Page 15 2. First heat exchanger 4. Oil heat exchanger 3. Second heat exchanger 15. Filter 17. Thermostat 18. Control panel 6. Adsorber 12. Solenoid valve 5. Oil separator 1. Compressor 10. Pressure adjusting valve for low-pressure SA112-C Interior Components Figure 3-3 ULVAC CRYOGENICS INCORPORATED...
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Page 16: Instructions For The Electrical System
600 V 10A 10P 23 Power cord terminal AYBN023-1 600 V 25A 3P 24 Solenoid valve coil NEV-M0AC571UB0 AC100 V 220 V 60 μF 25 Running capacitor RS22B606U4364A 160 V 150 μF 26 Starting capacitor DMS-1FJ150R 27 Signal connector DE-9P-NR ULVAC CRYOGENICS INCORPORATED... - Page 17 3. TEMP. AL. indicator lamp 2. RUN indicator lamp 7. HOUR METER 6. REMOTE / LOCAL switch 5. RUN / STOP switch 9. REMOTE 27. SIGNAL 8. REF (motor of pump) 12. FUSE SA112 Control Components (exterior components) Figure 3-4 ULVAC CRYOGENICS INCORPORATED...
- Page 18 11. Connector 14. Temperature limiter 1. Fan motor 22. Terminal for control 21. Power source terminal 23. Power source terminal 26. Starting capacitor 16. Relay 20. Starting relay 17. Delayed relay SA112-C Control Components (interior components) Figure 3-5 ULVAC CRYOGENICS INCORPORATED...
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Page 19: Remote Connector
Applicable connector for remote Table 3-8 Name Specifications Plug connectors Made by Japan Aviation Electronics Industry, Ltd. DE9S-NR This is the socket side insert, as seen from the pins at front of connector. Signal connector pin configuration Figure 3-7 ULVAC CRYOGENICS INCORPORATED... -
Page 20: Refrigerator [Ref] Connector
Made by Japan Aviation Electronics Industry, Ltd. N/MS3108B-14S-2P Cable clamps Made by Japan Aviation Electronics Industry, Ltd. N/MS3057-6A This is the socket side insert, as seen from the pins at front of connector. Refrigerator connector configuration Figure 3-8 ULVAC CRYOGENICS INCORPORATED... -
Page 21: Safeguards
To restore operations, replace the fuse (AC250V, 3A). Be sure to remove the compressor unit power cable plug from the supply outlet to safely isolate the equipment. Check for causes and perform corrective actions, and then restart. ULVAC CRYOGENICS INCORPORATED... -
Page 22: Installation
Specifications for the compressor unit are a power source of 100 V, tolerable voltage variation is ±10 %. For more information, see ‘Table 1.1 Compressor Unit SA112-C Specifications.’ Maintenance Area Ensure an area of 20 cm or more in front and back, 20 cm or more on the right, and 60 cm or more on the left as maintenance space. -
Page 23: Installation
Install the compressor unit in a clean environment without dust and that is not affected by exhaust heat. Ensure that the air conditioner can supply sufficient volume at the location of the compressor unit. Do not place anything that is easily influenced by heat near the compressor unit. ULVAC CRYOGENICS INCORPORATED... -
Page 24: Electrical Wiring
(2) Connection of refrigerator cables Connect the refrigerator cable to the refrigerator connector (REF) on the back panel of the compressor unit and then connect the other end to the power source connector of the refrigerator. ULVAC CRYOGENICS INCORPORATED... -
Page 25: Piping Connections
In particular, make sure the high-pressure piping and low-pressure piping are not mixed up and the union nuts are securely fastened. Perform a leak test using leak test liquid (SNOOP®) etc. after connecting the piping. If there is no leak, the piping connection is complete. Wipe off any leak test liquid. ULVAC CRYOGENICS INCORPORATED... -
Page 26: Operation
Check the following items during normal operation, and keep daily operation record. （１） Check the helium gas supply pressure of the compressor on a regular basis. The helium charge pressure in normal operation is from 2.1MPa to 2.3MPa. （２）Check the temperature of the refrigerator on a regular basis. ULVAC CRYOGENICS INCORPORATED... -
Page 27: Maintenance
(i) Align the holes for attachment on the flange of the adsorber bottom face (skirt part) with the bolt positions. (ii) Attach the unit base with the adsorber attachment bolts (used up to now) through the holes of the skirt part. ULVAC CRYOGENICS INCORPORATED... -
Page 28: Charging Helium Gas
Also, the charge hose should have either a stop valve or be connected with backless valve. (3)Open the stop valve (or the backless valve) of the charge hose to full. Prior to opening the helium gas regulator, connect the connecting port to the male end of the self-sealing coupling. ULVAC CRYOGENICS INCORPORATED... -
Page 29: Cleaning The Compressor Unit
(1) Clean up collected dust on the surface of the Compressor Cooling Fins using a portable Vacuum cleaner. (2) Clean up collected dust on the surface of Air Suction Grid using a portable Vacuum cleaner. Surface of the Compressor Cooling Fin ULVAC CRYOGENICS INCORPORATED... - Page 30 Air Intake Grid ULVAC CRYOGENICS INCORPORATED...
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Page 31: On-Site Repair
Disconnect all the power supply to the compressor unit before performing fuse replacement. (1) Loosen the cap of the fuse holder with minus screwdriver and remove the old fuse. (2) Insert a new fuse into the fuse holder and fasten the cap as before. ULVAC CRYOGENICS INCORPORATED... -
Page 32: Troubleshooting
If the helium gas needs to be charged The PRESS.ALARM often, check for leaks of helium. indicator lamp (red) is A sensor or a control component A sensor or a control component may be immediately lit. is not working. damaged. Consult service department. ULVAC CRYOGENICS INCORPORATED... - Page 33 Check if the fuse (F1&F2) is ok. disconnected. If defective, replace the fuse with a new one. If the problem continues, check if the components above the rated volume level are properly connected to the refrigerator connector or to the remote connector. ULVAC CRYOGENICS INCORPORATED...
- Page 34 Consult our service department. Compressor failure There may be an abnormality within the compressor. In such cases, usually operating vibration and noise because large and loud. Consult our service department. ULVAC CRYOGENICS INCORPORATED...
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Page 35: Electrical Schematic Wiring Diagram
8. Electrical Schematic Wiring Diagram ULVAC CRYOGENICS INCORPORATED... -
Page 36: Warranty
As a general rule, diagnosis of failure should be done on site by customer. However, ULVAC CRYOGENICS or our service network can perform this service for an agreed fee upon the customer’s request. There will be no charge if the cause of the breakdown is found to be a fault of ULVAC CRYOGENICS. - Page 37 Regardless of the gratis warranty term, compensation to opportunity losses incurred to your company or your customers by failures of ULVAC CRYOGENICS products and compensation for damages to products other than ULVAC CRYOGENICS products and other services are not covered under warranty.
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- Page 39 ULVAC CRYOGENICS INC. www.ulvac-cryo.com 1222-1 Yabata, Chigasaki, Kanagawa 253-0085, Japan <Sales> Tel: +81-467-85-8884 <Service Engineering Division> Tel: +81-467-85-9366 Fax: +81-467-83-4838 ULVAC CRYOGENICS KOREA INC. www.ulvac-cryo.co.kr 107, Hyeongoksandan-ro, Cheongbuk-Myeon, Pyeongtaek-si, Gyeonggi-Do, Korea, 17812 Tel: +82-31-683-2926 Fax: +82-31-683-2956 ULVAC CRYOGENICS (NINGBO) INC.
- Page 40 This page intentionally left blank. CS-2 ULVAC CRYOGENICS INCORPORATED...
- Page 41 Charging Helium Gas” Some descriptions have been added in regard to charging helium gas. “Service Network” has been revised. 2018/04/27 2018AL02 “Introduction”, “Safety Instructions”, “Disposal Considerations” have been added. “7. Troubleshooting” has been modified. “SERVICE NETWORK” has been modified. ULVAC CRYOGENICS INCORPORATED...
- Page 42 This page intentionally left blank. ULVAC CRYOGENICS INCORPORATED...
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