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Compressor Unit
Instruction Manual
SA115-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. MDCE001E, 2021JU01
ULVAC CRYOGENICS INCORPORATED
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Summary of Contents for Ulvac SA115-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. MDCE001E, 2021JU01 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
6. Maintenance ···························································································· 24 Scheduled Maintenance ············································································ 24 On-Site Repair ························································································· 26 7. Troubleshooting ························································································ 28 8. Accessories and Parts ··············································································· 31 8.1 Standard Accessories ················································································· 31 Optional Parts ·························································································· 31 9. Electrical Diagram ····················································································· 32 10. Warranty ································································································· 33 ULVAC CRYOGENICS INCORPORATED... - Page 6 This page intentionally left blank. ULVAC CRYOGENICS INCORPORATED...
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Page 7: Safety Instructions
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: 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
1. Unpacking and Inspection Upon receiving the compressor unit SA115-C, immediately check for any damage that may have occurred during transportation with the following procedures. 1. Check for any visible dents, etc., on the shipping carton. Keep the packing for shipping in case you need to make a claim regarding dents, etc. -
Page 10: Compressor Description
3. Compressor Description Specifications Table 3.1 shows the specifications for Helium Compressor Unit SA115-C. Table 3-1 Compressor Unit SA115-C Specifications Compressor unit SA115-C φ, V, Hz Power source Three-phase, 200, 50/60 ＊１ Power consumption 1.6/1.9 ＊１ Operating current 6.0/6.7 ＊２... -
Page 11: Overview
The main components of a compressor unit include compressor motor, refrigeration system, oil separator, or adsorber. 3.2.1 Control and Connection Table 3.2 and Diagram 3.1 show the control and connection of SA115-C. Table 3-2 Control and Connection of the Compressor Unit Item Function ・Press to start or stop the compressor unit. - Page 12 (58) Figure 3-1 SA115-C Control and Connection Components ULVAC CRYOGENICS INCORPORATED...
- Page 13 3.2.2 Flow of Gas and Oil in the Compressor Unit Figure 1.2 shows the flow of helium gas and oil in compressor unit SA115-C. Figure 3-2 SA115-C Helium gas flow ULVAC CRYOGENICS INCORPORATED...
- Page 14 Cools down the heat exchanger Fan Motor Control monitor and warning system for the helium gas compression unit. Control panel (Refer to “3-3 Instructions on the Electrical System.”) ULVAC CRYOGENICS INCORPORATED...
- Page 15 Figure 3-3 SA115-C Internal Components ULVAC CRYOGENICS INCORPORATED...
- Page 16 、 Figure 3-4 SA115-C Internal Components ULVAC CRYOGENICS INCORPORATED...
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Page 17: Instructions For The Electrical System
Instructions for the Electrical System 3.3.1 Control Components The control components for Compressor Unit SA115-C are shown in Table 3-4, Figure 3-5 and Figure 3-6. WARNING Disconnect all the power sources supplied to the compressor unit before opening the panels. - Page 18 １ ２ ３ １８ ６ ５ ４ Figure 3-5 SA115-C Internal Components ULVAC CRYOGENICS INCORPORATED...
- Page 19 Figure 3-6 SA115-C Internal Components ULVAC CRYOGENICS INCORPORATED...
- Page 20 DE9S-NR Made by Japan Aviation Electronics Industry, Ltd. Connector Shell DE-C8-J9-B1-1R Made by Japan Aviation Electronics Industry, Ltd. Signal connector pin configuration This is the socket side insert, viewed from the pins at front of connector. Figure 3-8 Remote Connector Pins ULVAC CRYOGENICS INCORPORATED...
- Page 21 Made by Japan Aviation Electronics Industry, Ltd. JL04V-8A-18-10PE-EB-R Made by Japan Aviation Electronics Industry, Ltd. Cable Clamp JL04-18CK(10)-CR-R This is the socket side insert, viewed from the pins at front of connector. Figure 3-9 Coldhead Connector Pins ULVAC CRYOGENICS INCORPORATED...
- Page 22 3.3.5 Safeguards Table 3-9 lists the safeguards of Compressor Unit SA115-C. Table 3-11 Safeguards Items Function （Code） Set temperature: 120 °C Stops the compressor and send warning signal to the external Thermostat (26G) connector when the temperature of compressed helium gas at the compressor motor exit is higher than the set temperature.
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Page 23: Installation
Power Source Make sure that the correct AC power source is supplied to the compressor. For more information, see ‘Table 3-1 Compressor Unit SA115-C Specifications.’ Room Temperature Check that the room temperature of the site meet the specifications shown in table3-1. -
Page 24: Installation
(4) Install the compressor unit in a clean environment without dust and that is not affected by exhaust heat. (5) SA115-C is air-cooled type. The installation site is required to have sufficient space for air circulation and well ventilated so that exhaust heat from the compressor does not affect. - Page 25 Refer to Table 3-1 for circuit breaker current rating. CAUTION In most standards, it is required to install a branch breaker and protect power cables connected to the equipment. Make sure to Install circuit breakers. Failure to follow this procedure could seriously damage the equipment. ULVAC CRYOGENICS INCORPORATED...
- Page 26 Connect the coldhead 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. (5) Connection of Remote cable Fix the connector with the brackets delivered with the SA115-C. ULVAC CRYOGENICS INCORPORATED...
- Page 27 In particular, make sure the SUPPLY piping and RETURN piping are correct 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 completed. Wipe off any leak test liquid. ULVAC CRYOGENICS INCORPORATED...
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Page 28: Operation
(2) Turn the “OPERATION” switch to ON on the front panel of the compressor unit. The compressor unit (refrigerating system) will start operating. → If the unit does not start operating, check if REMOTE/LOCAL switch is on “L” position. For other problems, refer to “7. Troubleshooting.” ULVAC CRYOGENICS INCORPORATED... -
Page 29: Stop Operation
The cryocooler makes noise of operating sound and gas exchange while in operation. Cooling Air Flow The cooling fan is attached inside the compressor and it works continuously. The cooling air comes in from the front panel and goes out from the heat exchanger on the rear panel. ULVAC CRYOGENICS INCORPORATED... -
Page 30: Maintenance
It is requested to clean the heat exchanger at least once in a circumstance such as computer rooms. The timing may vary depending on the ambient conditions of a compressor. Cleaning Procedure (1) Clean dust on the surface of the compressor heat exchanger fins with a vacuum cleaner. ULVAC CRYOGENICS INCORPORATED... - Page 31 (9) Put the cap on the charging port on the front panel of the compressor. (10) Slightly open the pressure regulator again, and check that there is no pressure between the helium bottle and the pressure regulator. (11) Remove the pressure regulator from the helium bottle. ULVAC CRYOGENICS INCORPORATED...
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Page 32: On-Site Repair
6.2.1 Replacing Fuses The fuse holder is on the back panel. Table 6-1 Fuse List (Spare fuses are attached to the product). Fuse No. Specifications Component No. Notes Glass tube fuse MT4-3A For control circuits 250VAC 3A ULVAC CRYOGENICS INCORPORATED... - Page 33 Disconnect all the power supply to the compressor unit before performing fuse replacement. (1) Loosen the cap of the fuse holder with a flathead screwdriver and remove the used fuse. (2) Insert a new fuse into the fuse holder and fasten the cap as before. ULVAC CRYOGENICS INCORPORATED...
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Page 34: Troubleshooting
If they are not, adjust them to be in the above range. Incorrect operation of control Please contact us. components Abnormal operation due to the Charge helium gas to the specified pressure drop. pressure. If helium gas charge is required frequently, check the helium gas leakage. ULVAC CRYOGENICS INCORPORATED... - Page 35 Check if the internal fuses are 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 36 Check if the inner fuse is in normal condition. If it has problem, replace with new one. If the problem continues, check if the number of components that are connected to the refrigerator connector or to the remote connector is more than allowed. ULVAC CRYOGENICS INCORPORATED...
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Page 37: Accessories And Parts
Table 8-2 Optional Parts Parts Volume Note Adsorber 1 set For scheduled maintenance Helium Charging Valve 1 set For charging helium gas For charging helium gas Helium Charging Hose Length: 900mm Pressure Regulator 1 set For charging helium gas ULVAC CRYOGENICS INCORPORATED... -
Page 38: Electrical Diagram
9. Electrical Diagram Figure 9-1 SA115-C Electrical Diagram ULVAC CRYOGENICS INCORPORATED... -
Page 39: 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 40 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.
- Page 41 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 42 This page intentionally left blank. CS-2 ULVAC CRYOGENICS INCORPORATED...
- Page 43 Revision History Date Revision Contents 2017/07/27 2017.07 First edition 2021/07/08 2021JU01 Table 3-4, 3-8, 3-10 Parts model name has been changed. Table 3-1 has been modified. Figure9-1 has been modified. ULVAC CRYOGENICS INCORPORATED...
- Page 44 This page intentionally left blank. ULVAC CRYOGENICS INCORPORATED...
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