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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. ULVAC CRYOGENICS INCORPORATED D/N. MDCE002E, 2023.11...
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(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.
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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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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...
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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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1. Unpacking and Inspection Upon receiving the compressor unit SW115-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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3. General Instructions 3.1. Specifications Table 3.1 shows the specifications for SW115-C. Table 3-1 SW115 Compressor unit specifications Compressor unit SW115-C Power source φ, V, Hz Three-phase, 200±10%, 50/60 Power consumption 1.5/1.8 *1 5.5/6.0 Operating current *1 Over current protection *...
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Components of a compressor unit include a compressor, cooling device, oil separator, or absorber. Control and connection Table 3-2 and Figure 3-1 show the control and connections of SW115-C. Table 3-2 Control and connection of a compressor unit Item Function POWER Lamp (WL) Illuminates while power is supplied to the compressor unit.
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Use a flathead screwdriver to exchange fuses. F1, F2, F3 WATER IN Port to connect the supply side of cooling water. WATER OUT Port to connect the return side of cooling water. EARTH Connecting terminal for earth wire of compressor ULVAC CRYOGENICS INCORPORATED...
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Flow of gas and oil in the compressor unit Figure 3-2 shows the refrigeration circuit of the compressor SW115-C. Table 3-3, Figure 3-3 and Figure 3-4 show the internal components and the function of the compressor unit SW115-C. WARNING Disconnect all power sources supplied to the compressor unit before opening the panel.
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Detection and control device for the temperature of the 21 Thermostat(26G) compressed helium gas at the outlet of the compressor. Control monitor and warning system for the helium gas compression unit. 22 Control panel (See item on “3.3 Instructions on the Electrical System.”) ULVAC CRYOGENICS INCORPORATED...
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3.3. Instructions for the Electrical System Control Components The control components for Compressor Unit SW115-C are shown in Table 3-4, Figure 3-5 and Figure 3-6. WARNING Disconnect all the power sources to the compressor unit before opening the panel. Table 3-4 List of control components...
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Table 3-7 Monitor sequence Item Status Pin code Contact capacity No-voltage Operated Close Operation monitor contact 1 , 2 24VDC 0.1A Stopped Open point No-voltage Normal Open 4 , 5 Warning monitor contact 24VDC 0.1A Warning Close point ULVAC CRYOGENICS INCORPORATED...
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Japan Aviation Electronics Industry, Ltd. JL04V-6A-18-10PE-EB-R Plug Connector (Angle type) Japan Aviation Electronics Industry, Ltd. JL04V-8A-18-10PE-EB-R Japan Aviation Electronics Industry, Ltd. Cable Clamp JL04-18CK(10)-CR-R Socket side insert, viewed from the pins at front of connector. Figure 3-9 Coldhead Connector Pins ULVAC CRYOGENICS INCORPORATED...
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Safeguards Table 3-9 lists the safety devices of Compressor Unit SW115-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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Measures for Earthquake Fix the compressor with fittings like anchor bolts as needed. Maintenance Area Clear the space of 400 mm or more in front and back, 200 mm or more on the right and left for maintenance. ULVAC CRYOGENICS INCORPORATED...
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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. Make sure to lock all four wheels of the compressor when installation is finished. ULVAC CRYOGENICS INCORPORATED...
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Refer to Table 3-1 for circuit breaker current rating. CAUTION In most standards, it is required to install a branch breaker to protect power cables connected to the equipment. A circuit breaker must be installed. Failure to follow this procedure could seriously damage the equipment. ULVAC CRYOGENICS INCORPORATED...
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(5) Connection of coldhead cable and Remote cable Fix the connectors with brackets supplied with the compressor unit as shown below. ULVAC CRYOGENICS INCORPORATED...
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Follow the torque regulation of 10N⋅m to prevent the damage when attaching the equipments to water couplings. Recommended specifications; Constant flow valve: HCT-15A (15A, 10L/m) from Japan Flow Cell Filter : KY-4 (Bronze) (A, Mesh #40) from VENN or Bronze 150 (10K) Screw Y type strainer from KITZ ULVAC CRYOGENICS INCORPORATED...
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Back pressure is not taken into consideration Minimum inlet pressure (kg/cm G) MPa 0.10 0.08 0.06 0.04 0.02 6 (L/min) Flow rate Inlet temperature (℃) Allowable range (L/min) Flow rate Figure 4-1 Water flow rate vs. supply pressure and temperature ULVAC CRYOGENICS INCORPORATED...
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Perform a leak test using leak test liquid (SNOOP®) etc. after connecting the piping. Once no leakage is confirmed, the piping connection is completed. Wipe off any leak test liquid. ULVAC CRYOGENICS INCORPORATED...
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“L.” For other problems, see “5. Troubleshooting.” Operating noise The compressor unit generates operating noise (54 dB/56 dB (50/60 Hz) at 0.7 MPa) while running. Also the coldhead generates operating noise and noise caused by gas coming in and going out. ULVAC CRYOGENICS INCORPORATED...
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The steps to shutdown operation of the refrigerator system is described below. Turn the OPERATION switch on the front panel of the compressor unit to OFF by pressing the circle side. The compressor unit (refrigerator system) stops operation. ULVAC CRYOGENICS INCORPORATED...
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Operating Noise The coldhead makes operating sound and noise caused by inlet and outlet of gas when in operation. ULVAC CRYOGENICS INCORPORATED...
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Disconnect all the power supply to the compressor before performing maintenance work. (1) Loosen the cap of the fuse holder with slotted screwdriver and remove the old fuse. (2) Insert a new fuse into the fuse holder and fasten the cap as before. ULVAC CRYOGENICS INCORPORATED...
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(10) Open the V-3 valve further and charge helium gas to the specified pressure, and close the V-3 valve. (11) Slowly loosen the charging hose on the compressor side and remove. (12) Close the V-1 charge control valve. ULVAC CRYOGENICS INCORPORATED...
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Charge helium gas to the regulated drop pressure. If the helium gas needs to be charged often, check for leaks of helium. Compressor failure Measure the insulation resistance with the compressor terminal. Contact us when a problem is observed. ULVAC CRYOGENICS INCORPORATED...
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Reference: 2-2-4 If the thermostat is activated due to detecting abnormal temperature, it may take quite long to recover. Please wait for a while and restart the compressor. If the compressor stops again, please contact us. ULVAC CRYOGENICS INCORPORATED...
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Check if the internal fuses have no disconnected. problem. If defective, replace the fuse with a new one. If the problem continues, check if excessive number of components are connected to the coldhead connector or to the remote connector. ULVAC CRYOGENICS INCORPORATED...
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Parts Volume Notes Oil adsorber 1 set For regular maintenance Helium gas pressure 1 set For charging helium gas adjuster Helium charging adopter 1 set For charging helium gas For charging helium gas Charging hose Length: 900mm ULVAC CRYOGENICS INCORPORATED...
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EXTERNAL OPERATION OPERATION SIGNAL 10 11 ALARM SIGNAL RD WT RD WT GN/YL NOTE SHOWS FILED WIRING. SHOWS OUT OF CONTROL-PANEL. MOTOR-COMPRESSOR DRIVE MOTOR 3. RD=RED WT=WHITE BL=BLUE BN=BROWN YL=YELLOW BK=BLACK OR=ORANGE PK=PINK GN=GREEN VT=VIOLET GY=GRAY ULVAC CRYOGENICS INCORPORATED 37/38...
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As a general rule, first diagnosis of failure should be done on site by customer. However, UCI 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 attributed to ULVAC CRYOGENICS INCORPORATED (hereinafter “UCI”).
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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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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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Revision History Date Revision Contents 2023/11/22 2023.11 First edition ULVAC CRYOGENICS INCORPORATED...
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