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Helium Compressor Unit
Instruction Manual
SW112-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. MDOM094E, 2021AL01
ULVAC CRYOGENICS INCORPORATED
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Summary of Contents for Ulvac SW112-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. MDOM094E, 2021AL01 ULVAC CRYOGENICS INCORPORATED...
- Page 3 (1) It is strictly prohibited to duplicate or distribute this instruction manual or any of its parts to a third party without written permission from ULVAC CRYOGENICS. (2) Information in this document is subject to change without notice due to specification change or the 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
Operation ····················································································· 22 Start-up operation ···································································· 22 Shutdown ·············································································· 22 Inspections in normal operation ·················································· 22 Maintenance ················································································· 23 Scheduled maintenance ··························································· 23 On-site maintenance ································································ 25 Troubleshooting ············································································· 26 Electrical Wiring ············································································· 29 Warranty ······················································································ 30 ULVAC CRYOGENICS INCORPORATED... - Page 6 Figure 1-2 Refrigerant Circuit Diagram ..............9 Figure 1-3 SW112-C Components inside..............10 Figure 1-4 SW112-C Control Components (Exterior components) ......12 Figure 1-5 SW112-C Control Components (Inside) ..........13 Figure 1-6 Remote connector pin locations ............. 14 Figure 1-7 Signal connector pin configuration ............
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Page 7: Safety Instructions
When performing repair or maintenance works, wait until the inside returns to the normal temperature before start working. If the work starts when it is still hot, there is a risk of burn injury. ULVAC CRYOGENICS INCORPORATED... -
Page 8: Disposal Considerations
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... - Page 9 Unpacking and Inspection Upon receiving the compressor unit SW112-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.
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Page 10: General Description
1. General Description Specifications Table 1.1 shows the specifications for Compressor Unit SW112-C. Table 1-1 Compressor Unit SW112-C Specifications Compressor unit SW112-C φ, V, Hz Power source Single phase, 100, 50/60 Power consumption *1 1.0/1.2 Starting current *1 56/52 Operating current *1 11.0/12.2... -
Page 11: Overview / General Description
The compressor unit is comprised of the following components- a compressor, cooling system device, oil separator, absorber, and so on. 1.2.1 Control and connection Table 1.2 and Figure 1.1 show the control and connection of SW112-C. Table 1-2 Control and connection of the compressor unit Item... - Page 12 Connection port for the cable connector when the 15 SIGNAL(CN5) operation/warning signals are extracted. 16 EARTH Earth terminal for Refrigerator cable. 17 WATER IN Connection port for the cooling water supply line. 18 WATER OUT Connection port for the cooling water return line. ULVAC CRYOGENICS INCORPORATED...
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Page 13: Figure 1-1 Compressor Front Panel
7. He GAS CHARGE 16. EARTH (pump) 11. REMOTE 15. SIGNAL 10. REF (motor of pump) 14. FUSE 8. SUPPLY 18. WATER OUT 9. RETURN 13. POWER SUPPLY CORD 17. WATER IN Figure 1-1 Compressor Front Panel ULVAC CRYOGENICS INCORPORATED... -
Page 14: Table 1-3 Components And Function
Flow of gas and oil in the compressor unit Figure 1-2 shows the refrigerant circuit of compressor unit SW112-C. Table 1-3 and Figure 1-3 show the components inside and the functions of SW112-C. WARNING Before opening the panel, disconnect all power sources supplied to the compressor unit. -
Page 15: Figure 1-2 Refrigerant Circuit Diagram
Figure 1-2 Helium Circuit Diagram ULVAC CRYOGENICS INCORPORATED... -
Page 16: Figure 1-3 Sw112-C Components Inside
4. Oil heat exchanger 3. Second heat exchanger 2. First 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 Figure 1-3 SW112-C Components inside ULVAC CRYOGENICS INCORPORATED... -
Page 17: Instructions For The Electrical System
Instructions for the Electrical System 1.3.1 Control Components The control components for SW112-C are shown in Table 1-4 and Figure 1-4. WARNING Before opening the panel, disconnect all power sources supplied to the compressor unit. Table 1-4 List of control components... -
Page 18: Figure 1-4 Sw112-C Control Components (Exterior Components)
2. TEMP. AL. indicator lamp 1. RUN indicator lamp 6. HOUR METER 5. REMOTE / LOCAL switch 4. RUN / STOP switch 9. REMOTE 26. SIGNAL 7. REF (refrigerator motor) 11. FUSE Figure 1-4 SW112-C Control Components (Exterior components) ULVAC CRYOGENICS INCORPORATED... -
Page 19: Figure 1-5 Sw112-C Control Components (Inside)
26. Signal connector 7. Refrigerator connector 22. Power source terminal 11. Fuse 25. Starting capacitor 18. Auxiliary relay 15. Relay 14.Pressure switch 19. Starting relay 16. Delayed relay 17. Auxiliary relay Figure 1-5 SW112-C Control Components (Inside) ULVAC CRYOGENICS INCORPORATED... -
Page 20: Figure 1-6 Remote Connector Pin Locations
Warning monitor contact Warning Close Table 1-8 Connectors for signals Name Specifications Plug connectors Japan Aviation Electronics Industry, Ltd. DE9S-NR Socket side insert viewed from the pins at front of connector. Figure 1-7 Signal connector pin configuration ULVAC CRYOGENICS INCORPORATED... -
Page 21: Figure 1-8 Refrigerator Connector Pin Locations
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. Figure 1-8 Refrigerator connector pin locations 1.3.5 Table 1-11 lists the safeguards of Compressor Unit SW112-C. Table 1-11 Safeguards Items Function (Code) Set temperature 120ºC... - Page 22 The warning lamp Fuse （F1,F2） may not be lit at this time. To restore operations, replace the fuse (250VAC, 3A). Make sure to disconnect all the power supply before checking for causes and take appropriate actions, and then restart. ULVAC CRYOGENICS INCORPORATED...
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Page 23: Installation
Specifications for the compressor unit are a power source of 100 V with allowable voltage variation of ±10 %. For more information, see ‘Table 1.1 Compressor Unit SW112-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 24: Installation
Install the compressor unit in a clean environment without dust and that is not affected by exhaust heat. Install air conditioner with sufficient performance on the installation site. Do not place objects vulnerable to heat near the compressor unit. ULVAC CRYOGENICS INCORPORATED... -
Page 25: Table 2-1 Electric Wiring Capacity
(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 26 2.2.4 Cooling water The maximum inlet temperature of cooling water for SW112-C is 35°C. The relation between the inlet temperature and water flow rate is shown in figure 2.2. The allowable range is marked with diagonal lines. The maximum pressure is 1MPa (10.2kg/cm2G).
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Page 27: Figure 2-2 Cooling Water Flow And Inlet Temperature
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 28: Operation
Check the following items during normal operations, and keep operation record. (1) Regularly check the helium gas supply pressure of the compressor. (2) Regularly check the temperature of the refrigerator. (3) Regularly check cooling water temperature and flow rate. ULVAC CRYOGENICS INCORPORATED... -
Page 29: Maintenance
(6) Connect the adsorber and self-sealing couplings of the inner piping (two places). (7) Check for leaks using snoop (SNOOP®) focusing on the self-sealing coupling areas. (8) After confirming that there are no leaks, attach the left panel. ULVAC CRYOGENICS INCORPORATED... - Page 30 (5) Set the helium gas pressure adjuster to 2.0 MPa, and charge the helium gas. (6) After filling the helium gas to the set pressure, fully close the stop valve (or the backless valve) and remove the charge hose. (7) Attach the cap to the charge port ULVAC CRYOGENICS INCORPORATED...
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Page 31: On-Site Maintenance
Before opening the panel, disconnect all power sources supplied to the compressor unit. (1) Loosen the cap of the fuse holder with flathead 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
The PRESS.ALARM indicator lamp (red) is A sensor or a control component A sensor or a control component may immediately lit. is not working. be damaged. Consult our 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 become large and loud. Consult our service department. ULVAC CRYOGENICS INCORPORATED...
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Page 35: Electrical Wiring
6. Electrical Wiring Figure 6-1 Electrical wiring ULVAC CRYOGENICS INCORPORATED... -
Page 36: Warranty
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. (2) Damage during transportation When damage by delivery/transportation is admitted, the product will be repaired free of charge within the range of the guarantee expressed in the sales contract. - Page 37 2. Exclusion of opportunity loss from warranty liability 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.
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- Page 41 Revision History Date Revision Contents 2014 / 12 / 04 2014.12 First edition 2021 / 04 /12 2021AL01 1. General Description has been modified. ULVAC CRYOGENICS INCORPORATED...
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