CSA-71A Compressor Unit
Contents
1. UL LISTED CLOSED LOOP TERMINAL CONNECTOR 4 2 ID approx LIQUID TIGHT LOCK NUT CONNECTOR CONDUIT Compressor ad Unit Side si E i L A AAA lha e 2 es e ee Emas oe LJ vu M set Tec _ 130 _ CABLE UL APP di AWG8 8 4 C TH LI L1 CIH 12 L2 CTH L3 L3 1 HOLE SIZE MING 34mm 2 PART TO BE BAGGED OR BOXED AND SEALED FROM DIRT AND MOISTURE CSA 11 INPUT POWER CABLE L1 BLAGK L2 BLAGK L3 BLAGK GREEN YELLOW GROUND 5 2 ID approx TECHNICAL INSTRUCTION Sumitomo Heavy Industries 11 REVISION CONTROL REVISION CONTROL Manual DEC 10 1999 ChangetheSHladdress JAN 25 2001 JAN 30 2001 FEB 19 2001 MAR 21 2001 requirement G Add the remote drive function MAY 31 2002 Connection Add the transformer use CAUTION FEB 28 2003 Change the division name JUN 9 2003 Add the description for the RDK 408D2 and S2 Cold Head DEC 18 2003 CSA 71A2. UPSTREAM PROTECTION 3 50 60Hz 200v 3 wire Thamal Protector POWER SUPPLY CONDUCTOR ama Use 75 WIRING SIZED TO 60 AMPACITY Use COPPER CONDUCTOR ONLY CREER AWG8 8 3mm OR LARGER COOLING FAN IU d M ME E ED TYPE AC200V 50 60Hz 3 Class G FULL LOAD QF1 FE nnl ATE d npe U 1 1A sP PE I SU ses MAIN DISCONNECTING MEANS Fb _ 2 N Vo CIRCUIT INTERRUPTER WI TH F6 973 W a DS OUTSIDE OPERATING NOB AND AR PADLOCK FITTING HOLE AT INSTANTANEOUS 2 OC TRIP 275A 3592 OFF POSITION ASI 3mm i 383 106 AWG10 5 2 SL AWG10 5 am COMPRESSOR 0 MC BK AC200V 50 60Hz 30 P ie DEE od w CAE AWG16 1 3m etl HL a BK AWG14 2 Ori x WEE D lija BK ANG16 1 FULL LOAD R1 aA 96 5A 01 i m GO E 5 x ANGIO 2m AWG14 2 x BK AWG14 2 COLDHEAD C BK Mr ANGIE im RD Stella COLDHEAD NOTOR 7 3 PHASE REVERSE JG cL AN POWER RELAY 754 Setting EET Be A 6 311 A AAA ee EE RPR ZZ GRD E AWGI6 1 3mm AWG16 1 3mm RF G Y FULL LOAD RD NOTES G GRD SWITCHING Z POWER SUPPLY AWG16 1 3mm G Y 24106 CONTROL SOURCE
3. TEMINAL N L1 L2 L3 Ring Terminal 64 2mm ID User s Power Source Ring Terminal 64 2mm ID GROUNDING L1 j TEMINAL L2 Ring Terminal O 5 2mm ID Ground N Ring Terminal 5 2mm ID CSA 71A 17 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 3 1 PERIODICAL MAINTENANCE 3 MAINTENANCE WARNING lt Warning about electric shock gt This cryocooler includes a high voltage section Touching it may result in electric shock Handle it with extreme care Make sure no power is applied to the compressor unit before starting operation when connecting or disconnecting the cold head power cable Failing to observe this precaution may result in electric shock Be sure to turn off and Lock Out with OFF position the main power of the customer s power source before connecting or disconnecting the input power cable to the Compressor Unit and then remove the input power cable from the main power Failing to observe this precaution may result in electric shock Do not change the setting of the dial above the main power switch of the compressor unit under any circumstances Failing to observe this precaution may result in electric shock Be sure to turn off and Lock Out with OFF position the customer s main power before performing maintenance work such as replacement of fuses Failing to observe this precaution may result in electric s
4. 1 NOT ASSIGNED WIRING SIZE IS ANG18 0 8mm 2 ABBREVIATION OF WIRING COLOR IS AS FOLLOWS BLACK RD RED AND G Y GREEN WITH YELLOW STRIPES 3 WIRING COLOR OF 24V DC CIRCUIT IS BLUE CSA 71A CONTROL PANEL SCHEMATIC DIAGRAM 1 2 24V DC P TBI 1 PS TB1 2 R2 l a 2 14 P gt TB1 3 Tg TB1 4 T R5 3 4 13 5 6 15 i 1106 1815 60 181 6 V5 R4 TB E TEI 8 99 eng emend V4 AY Vl 7 11 m R2 0 sec Setting J 19 TLR E V8 is TLR2 0 Ssec Settiing 20 V3 TBI 2 PH TB1 10 R3 9 10 21 ELE EM 53 R6 TLRI TLR RI INT 17 J 18 RPR 22 23 24 4 HOUR COUNTER m JR8 JR15 SOLENOID VALVE TBI KA3 25 4t 12 NOTES HL 1 WIRING SIZE IS MIN AWG24 0 2mm FOR D Sub hr 2 NOT ASSIGNED WIRING SIZE IS AWG18 0 8mm JR6 3 WIRING COLOR OF 24V DC CIRCUIT IS BLUE JR13 CSA 71A CONTROL PANEL SCHEMATIC DIAGRAM 2 2 N PRESSURE FAULT TEMPERATURE FAULT ROOM TEMPERATURE ALARM PRESSURE FAULT TIMING TEMPERATURE FAULT TIMING PRESSURE CONTROL COMPRESSOR DRIVE GOLDHEAD DRIVE ELAPSED TIME JR D S
5. Seta new Adsorber 2 Secure the Adsorber to the base panel of the Compressor Unit by tightened Nut and Washer 30 Secure the Adsorber to Rear Panel by tightening Nut 4 Connect the Adsorber Self Sealing Coupling 5 Reinstall the panels and secure them by tightening the screws 6 Ensure that the pressure gauge indication is specified value for the type of Cold Head Charge helium gas in case of low pressure indicating CSA 71A 23 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 3 1 PERIODICAL MAINTENANCE 3 1 2 CLEANING THE COMPRESSOR COOLER WARNING Do not touch the cooler fin of the Compressor Unit during fin cleaning Touching the fin may cause the injury Periodical cleaning for the air cooled heat exchanger for lub oil gas cooler of the Compressor Unit is essential part to maintain the Cryocooler performance and reliability The cooler for the Compressor Unit has a minimum operating life of around one year in the computer equipment room The period of the cleaning will be depended on the environment conditions of the Compressor Unit CLEANING PROCEDURE 10 Loosen the screws that hold the Cooler Cover Panel and remove the panel 2 Clean up the adherent dusts on the surface of Compressor Cooling Fins using portable Vacuum Cleaner 30 Replace the Cooler Cover Front Panel and secure by tightening the screws CSA 71A 24 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd 3 2 FUSE REPLAC
6. in a clean environment Installing it in a dusty environment such as inside a factory will require frequent cleaning of the cooler fins or may result in misoperation or malfunction The cold head drive switch provided with the compressor unit is only used for maintenance Be sure to turn it OFF in normal operation Using the compressor unit with the cold head drive switch turned ON may result in misoperation or malfunction CSA 71A 18 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd 3 1 PERIODICAL MAINTENANCE 3 1 PERIODICAL MAINTENANCE CSA 71A Compressor Unit is to be required the routine maintenance The basic maintenance work is to replace the oil mist Adsorber of the Compressor Unit for every 20 000 Hrs operation as mentioned Table 3 1 Table 3 1 MAINTENANCE SCHEDULE MAINTENANCE FREQUENCY REMARK Replace Compressor Adsorber 20 000 Hrs Charge Helium Gas to Compressor As required Cleaning Air Cooler At least one time in one year Depending on the ies MERERI conditions Compressor Fuse Replacement Table 3 2 RENEWAL PARTS LIST FRU S ITEM DESCRIPTION QTY DIMENSIONS PART NUMBER Adsorber 1 OD155x H447 RE71TN0408 Glass Body Fuse 2A 3 RE71WT0600 Class G Fuse 3A 3 RE71WT0601 Class G Fuse 2A 3 RE71WT0602 CSA 71A 19 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 3 1 PERIODICAL MAINTENANCE 3 1 1 REPLACEMENT OF THE COMPRESSOR ADSORBER WARNIN
7. may result in misoperation in some of safety devices in the equipment causing electric shock burn or malfunction This cryocooler includes a high voltage section Touching it may result in electric shock Handle it with extreme care IMPORTANT See ELECTRICAL SCHEMATIC of CSA 71A Compressor Unit for detail External Connector can be used monitoring the status of the Compressor Unit and the remote control sequences of the Compressor Unit are described in Table 1 4 The D sub pins indicated in Figure 1 5 on the control panel for the Compressor Unit can be applied to an initial condition monitoring for a first aid diagnostics of the Compressor Unit by means of measuring the each item with a digital Volt Ohm Meter The Fault Condition classified the digital meter reading as referred to the Table 1 4 can be identified simply an actual operation condition of the Compressor Unit in the field Table 1 4 EXTERNAL CONTROL ALARM ITEM OPERATION Pressure Alarm Contact Close Signal Open Temp Alarm contact Close Open 1 Contact GSE larm Signal Open E DC 24V DC 0 15A max rive nacaton OV Control Voltage DC Output 24V DC 0 15A max 9 Power when Main Power SW is ON E Remote Reset Dri 8 7 6 5 4 3 2 1 Digital Volt Ohm Meter Reading e e e e e e o 0000000 15 14 13 12 11 10 9 Figure 1 5 EXTERNAL CONNECTOR WIRING ON THE COMPRESSOR UNIT CSA 71A 11 TECHNICAL INS
8. 000000900000000100000000000 000000000000000000000000000000000000900000000000000000 000000950000900009000000090000000009900000009090000090 00000000000909005000000090000090009900000990090000090 88000000000600000000000808 0060600a000000400 00000008000 909090000000000000000000000000009000000000000000050000 888000000006800000800000000000000000000000000800080000 Soo000009000000000000000000500000000000090000090000009 969000000000900000000000000000900000000090000009000090 Go9000009000000000000000000000000000000090000090000000 999000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000100000000000 880000000006600000000080090000000000000000000000000000 000020909000009090000200090000010909000009090000000090 G60000000000000000000000000000000000000090000000000090 9090090900909090000200009p0002000990902909000990909 ug T 7 550 21 8 8 988 gt TT Tg 98 3
9. 8S2 10K COLD HEAD CD32ZZ 161 TECHNICAL INSTRUCTION RDK 408S 10K COLD HEAD CD32ZZ 065 TECHNICAL INSTRUCTION RDK 400B SINGLE STAGE COLD HEAD CD32ZZ 066 TECHNICAL INSTRUCTION RDK 415D 4K COLD HEAD CD32ZZ 070 See TECHNICAL INSTRUCTION of Cold Head used CSA 71A 1 TECHNICAL INSTRUCTION 1 GENERAL INFORMATION 1 1 SPECIFICATIONS Sumitomo Heavy Industries Lid 1 1 SPECIFICATIONS The specifications of CSA 71A Helium Compressor Unit are summarized in Table 1 1 Table 1 1 CSA 71A COMPRESSOR UNIT SPECIFICATION for RDK 408D2 4080 4150 for RDK 408S2 408S 400B Dimension Wiath Helium Gas Pressure Static Operating High Side Ambient Operating Temperature Weight Electrical Requirement Power Line Voltage 10 Operating Current Min Circuit Ampacity Max Fuse or Circuit Breaker Size Power Requirement Power Consumption BTU Output Pressure Relief Valve Setting Input Power Cable Terminal Cover is 98 0 mm 3 9 550 0 mm 21 7 550 0 mm 21 7 885 0 mm 34 8 1 60 1 65 MPa at 20 deg C 68 deg F 16 3 16 8 kgf cm G 232 239 psig 2 10 2 30 MPa approx 21 4 23 5 kgf cm G 304 333 psig 5 to 28 deg C 41 to 82 4 deg F 28 to 35 deg C 82 4 to 95 deg F 140 kg 309 LBS approx 1 45 1 50 MPa at 20 deg C 68 deg F 14 8 15 3 kgf cm G 210 217 psig 2 10 2 30 MPa approx 21 4 23 5 kgf cm G 304 333 psig with 5 Ca
10. 9 Y SUPPLY PRESSURE 3 E us qaa ure OUTLINE VIEW FOR CSA 71A COMPRESSOR UNIT Figure 1 1 CSA 71A TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 CONSTRUCTION 1 2 CONSTRUCTION The function of the Compressor Unit is to supply high pressure He gas to the Cold Head and re compress the returned He gas from the Cold Head The Compressor Unit consists of the following major components a Compressor Capsule a Cooling system Oil separation and injection system and Adsorber 1 2 1 CONTROLS AND COUPLINGS The controls and couplings for CSA 71A are described in Table 1 2 and Figure 1 2 Table 1 2 CONTROLS AND COUPLINGS FOR CSA 71A COMPRESSOR UNIT ITEM FUNCTIONS MAIN POWER SWITCH A twist handle for main electric power supply and for protection from DS over current and short circuit A seesaw switch for start up and shut down operation for the compressor DRIVE SWITCH unit The refrigerating system can be in a operating condition by the S1 DRIVE SWITCH ON after switching the MAIN POWER SWITCH ON condition A switch for operating the COLD HEAD maintenance only Under the MAIN POWER SWITCH ON and the DRIVE SWITCH OFF COLD HEAD DRIVE SWITCH S2 Caution Be su
11. EMENT 3 2 FUSE REPLACEMENT WARNING lt Warning about electric shock gt AAA This cryocooler includes a high voltage section Touching it may result in electric shock Handle it with extreme care Be sure to turn off the customer s main power and remove the input power cable from the compressor unit before performing maintenance work such as replacement of fuses Failing to observe this precaution may result in electric shock Fuses are eguipped inside of the Control Box for the Compressor Unit Table 3 5 LIST OF FUSES Fuse No Description Part Number Remarks 1 E F3 F4 F5 Class G Fuse 3A RE71WTO0601 For Compressor Fan F6 F7 F8 Class G Fuse 2A RE71WT0602 For Cold Head Motor F9 FUSE REPLACING PROCEDURE 1 Loosen the screws that hold the Compressor Unit side panel and remove the panel 20 Replace the Fuses CSA 71A 25 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid APPENDIX APPENDIX ELECTRICAL SCHEMATIC No PART NAME 1 ELECTRICAL SCHEMATIC of CSA 71A FOR AC CIRCUIT 2 ELECTRICAL SCHEMATIC of CSA 71A FOR DC CIRCUIT DRAWINGS No PART NAME ADSORBER GLASS BODY FUSE 2A DN CLASS G FUSE 3A CLASS G FUSE 2A CSA 71A INPUT POWER CABLE da po CSA 71A 26 INCOMING POWER SUPPLY
12. G lt Warning about explosion escape of gas gt This cryocooler cold head unit compressor adsorber flex lines contains high pressure about 1 62 MPa 16 5 kgflem G 235 psig helium gas sealed in Hitting the equipment with a sharp edge or touching it with a pointed object may cause explosion or escape of gas Handle the equipment with extreme care Do not disassemble the equipment for purposes other than maintenance specified in this service manual under any circumstances Disassembling the equipment may result in electric shock explosion or escape of gas The cold head compressor unit compressor adsorber and flex lines are pressurized with helium gas Purge the helium gas from all pressurized components before disposing Open the purging valve gradually or it may result in serious injury WARNING lt Warning about rotating part gt A venting fan is provided in the exhaust section the top of the compressor unit Do not insert foreign substances from the exhaust port under any circumstances Failing to observe this precaution may result in injury or malfunction WARNING he Adsorber weight is about 11 0kg Be careful of handling so that it may not get hurt when replace the adsorber CAUTION lt Caution against misoperation gt tn E Do not get on the compressor unit or put an object on top of it Failing to observe this precaution may prevent the cryocooler from operating normally or cause injur
13. ONSTRUCTION 1 2 2 GAS AND OIL FLOW IN THE COMPRESSOR UNIT The flow diagram for CSA 71A Compressor Unit is shown in Figure 1 3 Internal components diagram and its functions are described in Figure 1 4 and Table 1 3 The Compressor Unit works as follows Low pressure He gas Press 0 59 MPa 6 0 kgf cm G 85psig amp below discharged from a Cold Head can be led through a HE GAS RETURN CONNECTOR to the Compressor Unit The low pressure Return He gas can pass through a STORAGE TANK and a FILTER and flow into a COMPRESSOR CAPSULE The low pressure He gas will be compressed and pressurized in the COMPRESSOR CAPSULE and the high pressure with high temperature He gas after the compression will be discharged from the COMPRESSOR CAPSULE outlet The high pressure with high temperature He gas will be led to an air cooled HE GAS COOLER and cooled down in the cooler The high pressure He gas after cooling will flow into an OIL SEPARATOR to separate an almost all of lubricating oil mist from the high pressure He gas The separated lubricating oil can be returned to the COMPRESSOR CAPSULE through a lub oil return pipings The high pressure He gas discharged from the OIL SEPARATOR will be led to an ADSORBER The remained lub oil contents in the high pressure He gas can be adsorbed through an active charcoal layer to make the high pressure He gas being pure The pure high pressure He gas can be supplied to the Cold H
14. RED SPACE FOR AIR FLOW CSA 71A 15 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 2 2 INPUT POWER CABLE CONNECTION 2 2 INPUT POWER CABLE CONNECTION lt Warning about electric shock gt Make sure the power specification of the cryocooler used conforms to the customer s power supply before using the equipment Using the cryocooler with a non conforming power supply may result in electric shock or malfunction WARNING Be sure to turn off and Lock Out with OFF position the main power of the customer s power source before connecting or disconnecting the input power cable to the Compressor Unit and then remove the input power cable from the main power Failing to observe this precaution may result in electric shock Do not change the setting of the dial above the main power switch of the compressor unit under any circumstances Failing to observe this precaution may result in electric shock CAUTION lt Caution against misoperation gt Do not use inverter for the main power source of the compressor unit Operating with inverter may result in the damage or malfunction of the compressor electric circuit Avoid using the transformer for the main power source of the compressor unit If the transformer is installed at the upstream of the unit lacking phase protection circuit with the cryocooler occurs in a malfunction That may result in misoperation or malfunction When using the transformer install the other lacking ph
15. SHI 22 Sumitomo Heavy Industries Utd MANUAL NUMBER CD32ZZ 067K DATE December 18 2003 TECHNICAL INSTRUCTION CSA 71A COMPRESSOR UNIT For Service Personnel Only Sumitomo Heavy Industries Ltd Cryogenics Division 2 1 1 Yato cho Nishitokyo City Tokyo 188 8585 Japan TEL 81 424 68 4240 FAX 81 424 68 4219 E mail cryo shi co jp URL http www shi co jp cryopage TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd TABLE OF CONTENTS TABLE OF CONTENTS SECTION ITEM PAGE No CROSS REFERANCE 2 1 1 2 1 2 4 1 2 1 4 1 2 2 GAS AND OIL FLOW IN THE COMPRESSOR UNIT 1 2 3 INTERNAL COMPONENTS ELECTRICAL DESCRIPTION 1 3 1 EXTERNAL CONNECTOR 1 3 2 SAFETY DEVICES s z N A INSTALLATION 2 1 SITE REQUIREMENT 14 2 2 INPUT POWER CABLE CONNECTION 16 Co 00 MAINTENANCE 3 1 PERIODICAL MAINTENANCE 19 3 1 1 REPLACEMENT OF THE COMPRESSOR ADSORBER 20 3 1 2 CLEANING THE COMPRESSOR COOLER 24 FUSE REPLACEMENT APPENDIX ELECTRICAL SCHEMATIC DRAWINGS REVISION CONTROL CSA 71A TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid CROSS REFERENCE CROSS REFERENCE Thoroughly read this manual and following manuals before using this equipment MANUAL NAME MANUAL No OPERATION MANUAL SRDK Series CRYOCOOLER CD32ZZ 063 TECHNICAL INSTRUCTION RDK 408D2 4K COLD HEAD CD32ZZ 160 TECHNICAL INSTRUCTION RDK 408D 4K COLD HEAD CD32ZZ 064 TECHNICAL INSTRUCTION RDK 40
16. TRUCTION Sumitomo Heavy Industries Lid 1 3 ELECTRICAL DESCRIPTION 1 3 2 SAFETY DEVICES The safety devices list for Compressor Unit is shown in Table 1 5 Table 1 5 SAFETY DEVICES OF CSA 71A FUNCTIONS Setting temperature 110 deg C 230 deg F approx To shut down the Compressor Unit and signal a high temperature alarm to the External Connector in case of higher temperature of a compressed He gas at a compressor outlet than the setting temperature Setting temperature 60 deg C 140 deg F approx To shut down the Compressor Unit and signal a high temperature alarm to the External Connector in case of higher temperature of a compressed He gas at a He gas cooler outlet than the setting temperature Setting temperature 55 deg C 131 deg F approx THERMOSTAT TS3 To signal a higher temperature alarm to the External Connector in case of higher temperature of ambient inside the unit enclosure than the setting temperature SOLENOID VALVE SV To stabilize a pressure for even of the He gas between the Supply and Return piping at a shut off the Compressor Unit Setting pressure Operate 2 55 MPa approx 26 0 kgf cm G 369 psig HIGH PRESSURE Reset 2 26 MPa approx SWITCH PSH 23 0 kgflem G 327 psig To adjust a Supply He gas pressure smoothly by a function of the pressure switch for Open and or Shut in case of higher pressure of the Supply He gas than the setting pressure Setting Pres
17. ase protection device in upstream of the transformer IMPORTANT This cryocooler is provided with a phase reverse protection circuit for the input power If the input power is connected with reverse phase the cryocooler does not start IMPORTANT See ELECTRICAL SCHEMATIC of CSA 71A Compressor Unit for detail IMPORTANT See CSA 71A INPUT POWER CABLE of DRAWINGS for detail Make electrical connection as follows Upstream Protection Use the fuses or circuit breakers as upstream protection of L1 L2 L3 The recommended rating of the protection is maximum 60A Power Supply Conductor and Protective Earth Conductor Use 75 deg C wiring sized to 60 deg C ampacity Use copper conductor only AWG 8 8 3 mm or larger Compressor Unit Side Power Supply Conductors Protective Earth Conductor Ring Terminal 4 2mm ID Ring Terminal 5 2mm ID approx Tightening Torque 1 3 N Im 13 lem Tightening Torque 1 8 18 User s Power Source Side Power Supply Conductors Protective Earth Conductor Ring Terminal 4 2mm ID Ring Terminal 5 2mm ID approx CSA 71A 16 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd 2 2 INPUT POWER CABLE CONNECTION See the Table 1 1 for power requirements The cables are marked with label and connect as follows For Compressor Unit WIRING DIAGRAM FIELD
18. ction HE GAS SUPPLY CONNECTOR use for connecting a Flex Line for Supply He gas line HE GAS RETURN CONNECTOR To use for connecting a Flex Line for Return He gas line HE GAS CHARGE CONNECTOR To use for charging and refilling a He gas CSA 71A 4 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 CONSTRUCTION Table 1 2 CONTROLS AND COUPLINGS FOR CSA 71A COMPRESSOR UNIT Continued 13 AIR SUCTION GRID An inlet of cooling air for the Compressor Unit 14 AIR DISCHARGE GRID An outlet of cooling air for the Compressor Unit REMOTE DRIVE SWITCH The compressor unit can be operated remotely with the external control by S3 switching EXT and cannot be started up in condition of switching EXT after the Drive Switch operated INDICATING LAMP To indicate an Open Shut condition of the Solenoid Valve SV HL Solenoid Valve Shut the Lamp ON the Lamp OFF CSA 71A TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 CONSTRUCTION CSA HELIUM COMPRESSOR UNIT lt gt RSS DETAIL REE IO IO Figure 1 2 CONTROLS AND COUPLINGS FOR CSA 71A COMPRESSOR UNIT CSA 71A 6 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 C
19. d be installed in a clean environment Installing it in a dusty environment such as inside a factory will require frequent cleaning of the cooler fins or may result in misoperation or malfunction An almost level and even area in the field will be selected to install the Compressor Unit An area to be influenced by splashing water and or dusts will not be selected to install the Compressor Unit installation area A clean environmental condition without dirt and or free from an exhausted heat will be selected to install the Compressor Unit in the field An efficient ventilated area will be required to free from an exhausted heat of the Compressor Unit in the field A suitable air conditioning capacity will be secured for an installing area for the Compressor Unit in the field Any object and or obstacle cannot be positioned on a ventilation fan outlet in a top area of the enclosure and or on surroundings of the Compressor Cooler Any heat sensitive object cannot be positioned on surroundings of the Compressor Unit AMBIENT TEMPERATURE CONDITION The ambient temperature must be between 5 deg C 41 deg F and 28 deg C 82 4 deg F to get the specified capacity The system can operate up to 35 deg C 95 deg F with less than 596 cooling capacity down The maximum relative air humidity is 85 RH HELIUM SUPPLY SYSTEM A helium supply system is necessary if you need to decontaminate the helium gas or charging the helium gas
20. ead through a HE GAS SUPPLY CONNECTOR CSA 71A 7 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 CONSTRUCTION M OIL INJECTION s A FROM DTS COLD p MS ps 1 6 HEAD Air SO 7 10 751 D gt TO COLD p E HEAD pst b d5 or TS2 x m D u g i 2 OTL RETURN PE OIL LINE He GAS LINE Figure 1 3 HELIUM GAS FLOW DIAGRAM FOR CSA 71A COMPRESSOR UNIT CSA 71A 8 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 2 CONSTRUCTION 1 2 3 INTERNAL COMPONENTS The parts list and its functions are described in Table 1 3 The He gas flow diagram and internal components are shown in Figure 1 3 and Figure 1 4 Table 1 3 FUNCTIONS OF THE INTERNAL COMPONENTS FOR CSA 71A COMPRESSOR UNIT FILTER eliminate contaminators and debris from a recirculating lub oil To eliminate contaminators and debris from a He gas suction for a FILTER Compressor Capsule HE GAS RETURN CONNECTOR To use for connecting a Flex Line for Return He gas line STORAGE TANK A He gas reservoir for piping to Compressor Capsule SOLENOID VALVE An electro magnetic operation valve for He gas piping RELIEF VALVE a safely ADSORBER treatment by the Oil Separator HE GAS SUPPLY CONNECTOR To use
21. for connecting a Flex Line for Supply He gas line OIL SEPARATOR To eliminate oil contamination from the compressed He gas OIL COOLER An air cooled type heat exchanger for recirculating lub oil cooling forced draft fan for a Compressor Unit COMPRESSOR CAPSULE A He gas compressed for the unit 110 deg C 230 deg F compressor capsule outlet HE GAS COOLER 60 deg C 140 deg F He gas cooler outlet am eliminate contaminators and debris from a lub oil return of Oil FILTER Separator di A pressure sensor for compressed He gas pressure control SWITCH PSH p P gas p ORIFICE To use for adjusting a recirculating lub oil flow GAS CHARGE To use for charging and refilling a He gas CONNECTOR ging 9 gas SWITCH PSL 55 deg C 131 deg F of the unit Compressor Unit No n 6 12 13 14 n E CSA 71A 9 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd 1 2 CONSTRUCTION Figure 1 4 COMPONENTS OF CSA 71A COMPRESSOR UNIT CSA 71A 10 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 3 ELECTRICAL DESCRIPTION 1 3 ELECTRICAL DESCRIPTION 1 3 1 EXTERNAL CONNECTOR WARNING lt Warning about electric shock gt Pay special attention to its wiring when using the external connector on the compressor unit Connecting a jumper wire between Pins No 6 No 8 No 6 No 13 and No 6 No 15
22. hock WARNING lt Warning about explosion escape of gas gt TS This cryocooler cold head compressor unit compressor adsorber flex lines contains a high pressure about 1 62 MPa 16 5 kgflem G 235 psig helium gas sealed in Hitting the equipment with a sharp edge or touching it with a pointed object may cause explosion or escape of gas Handle the equipment with extreme care Do not disassemble the equipment for purposes other than maintenance specified in this service manual under any circumstances Disassembling the equipment may result in electric shock explosion or escape of gas WARNING lt Warning about rotating part gt A venting fan is provided in the exhaust section at the top of the compressor unit Do not insert foreign substances from the exhaust port under any circumstances Failing to observe this precaution may result in injury or malfunction CAUTION lt Caution against misoperation gt _ Do not get on the compressor unit or put an object on top of it Failing to observe this precaution may prevent may prevent the cryocooler from operating normally or cause injury Secure enough space around the compressor unit for heat radiation and maintenance Failing to secure enough space may result in misoperation or malfunction Sufficient space is required for venting Failing to secure sufficient space may result in misoperation or malfunction CSA 71A air cooled low voltage type should be installed
23. pacity Loss AC 200V 50 60 Hz 3 phase 3W PE A ground Commercial Power Source WARNING Do not use inverter for the main power source 25 35 A 60 A Minimum 9 kVA Recommended 12kVA Max 8 3kW Steady State 7 5kW at 60Hz 7 2kW Steady State 6 5kW at 50Hz See ELECTRICAL SCHEMATIC of APPENDIX for detail Max 28 320 BTU H Steady State 25 590 BTU H at 60Hz 24 570 BTU H Steady State 22 180 BTU H at 50Hz 2 61 2 75 MPa 26 6 28 0 kgf cm G 378 398 psig Gas Supply Connector 1 2 inch Coupling Gas Return Connector 1 2 inch Coupling See the Figure 1 1 The operating pressure varies according to the heat load of cold head and temperature around the equipment IMPOTANT Note that the noise level of the whole equipment may exceed 70 dBA depending on the environment it is used in CSA 71A Sumitomo Heavy Industries Lid TECHNICAL INSTRUCTION 1 1 SPECIFICATIONS L 1 09 CSA 71 880000000006000000800000000000000000000000000000000000 0000000090000000000000000000000000009000000900000000000 969000000000000000000000000000000000000090000009000000 000000000000000009000000000000000000900000000000000000 999000000000000000000000000000000000000000000000000000 0000000000000000000000000000
24. re to turn it OFF in normal operation Using the compressor unit with the cold head drive switch turned ON may result in misoperation or malfunction To indicate a filled He gas pressure in the compressor unit during not in SUPPLY PRESSURE GAUGE operation of the compressor unit and a compressed He gas pressure Supply Pressure can be indicated under the operating condition HOUR METER To indicate a total operating hour of the compressor unit and the hour HM counting will be referred for maintenance interval To use for connecting of input power supply cable FIELD TERMINAL At a connecting power cable verify the phase label markings L1 L2 and TBO L3 The compressor unit cannot be operated in case of miss connecting the power cable GROUND TERMINAL A connector for the earth wiring and verify the tight connecting for earth wiring as well as power cable COLD HEAD CONNECTOR To use for connecting the Cold Head Cable to supply a Cold Head driving JC power To use for the external signal output of condition monitoring for the compressor unit The connector to be D Sub 15 Pins Female type in use EXTERNAL CONNECTOR Warning Pay special attention to its wiring when using the external connector on JR the Compressor Unit Connecting a jumper wire between Pins No 6 No 8 No 6 No 13 and No 6 No 15 may result in misoperation in some of safety devices in the equipment causing electric shock burn or malfun
25. sure Operate 0 15 MPa approx LOW PRESSURE 1 5 kgf cm G 22 psig SWITCH PSL To shut down the Compressor Unit and signal a Low pressure alarm to the External Connector in case of lower pressure of a compressed He gas caused by a smaller quantity of He gas than original filling in the compressor unit Setting pressure Operate 2 61 2 75 MPa 26 6 28 0 kgf cm G 378 398 psig Reset 2 50MPa minimum 25 5 kgf cm G 362 psig To adjust a Supply He gas pressure smoothly by a function of the Relief Valve for blowing off the He gas to the atmosphere in case of higher pressure of Supply He gas than the setting pressure THERMOSTAT TS1 THERMOSTAT TS2 RELIEF VALVE CSA 71A 12 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 1 3 ELECTRICAL DESCRIPTION Table 1 5 SAFETY DEVICES OF CSA 71A Continued Setting current 29A To shut down the Compressor Unit in case of occurring over current and or short circuit than the setting current MAIN POWER SWITCH DS RPR caused by irregular connecting of Input Power Cable such as failure connecting Hp any other electrical failure in the DC power or the Phase Failure Relay FUSE F4 F5 F6 To protect the Compressor Unit from the over load caused by short circuit and or any other electrical failure in the Cooling Fan assembly FUSE F7 F8 F9 To protect the Compressor Unit from the over load caused by short circuit and or any o
26. that has leaked out of the system helium supply system includes a Grade 5 99 999956 up pure helium gas bottle a regulator an outlet valve and a charging hose or equivalent delivery line POWER SOURCE Ensure the correct AC power source is available for the compressor See Table 1 1 for the power requirements for your system ROOM TEMPERATURE Ensure the room temperature to meet the specification shown in Table 1 1 Air conditioning shall be capable of handling heat load Keep the room temperature shown in Table 1 1 SAFETY SEISMIC REQUIREMENT Secure to lock the locking device of compressor castor SERVICE AREA The Compressor Unit is air cooled and should have enough space for air flow as shown in Figure 2 1 CSA 71A 14 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 2 1 SITE REQUIREMENT 53 s 67 tO AIR SSUOTION 550 SPACE qur MAINTENANCE u SPACE d AIR DISCHARGE SPACE 550 21 7 S gt Clearance for Instal lation 153 D 67 1 a om q 6 300 400 11 87 15 8 7 O i 8 d Figure 2 1 AIR COOLED COMPRESSOR UNIT CSA 71A AND ITS REQUI
27. ther electrical failure in the Cold Head assembly Setting temperature 135 deg C 275 deg F approx To terminate the Cooling Fan operation by a function of disconnecting the Input Power at the setting temperature in case of higher temperature than the normal condition caused by over load and or any other electrical failure in the Cooling Fan assembly THERMAL PROTECTOR for Cooling Fan CSA 71A 13 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 2 1 SITE REQUIREMENT 2 INSTALLATION 2 1 SITE REQUIREMENT lt Caution against misoperation gt Do not use inverter for the main power source of the compressor unit Operating with inverter may result in the damage or malfunction of the compressor electric circuit CAUTION Avoid using the transformer for the main power source of the compressor unit If the transformer is installed at the upstream of the unit lacking phase protection circuit with the cryocooler occurs in a malfunction That may result in misoperation or malfunction When using the transformer install the other lacking phase protection device in upstream of the transformer Secure enough space around the compressor unit for heat radiation and maintenance Failing to secure enough space may result in misoperation or malfunction Sufficient space is required for venting Failing to secure sufficient space may result in misoperation or malfunction CSA 71A air cooled low voltage type shoul
28. ub 32 RG 6 15 PRESSURE ALARM WHEN OPENS SUPPLIED VOLTAGE TO BE 24Y DG OR LESS TEMPERATURE ALARM WHEN CONTACT OPENS SUPPLIED VOLTAGE TO BE 24V DG OR LESS DRIVE INDICATION WHEN 24V DC 15 GIVEN BETWEEN JR 6 AND 7 PIN USABLE CURR max 0 15A COMMON LINE OF 24V DC REMOTE DRIVE HIGH ROOM TEMPERATURE ALARM WHEN CONTACT OPENS REMOTE RESET WHEN R6 15 ENERGIZED BY PULSED 24V DC FOR 1 SEC CONTROL VOLTAGE 24V DC USABLE CURR max 0 15A REMOTE DRIVE LOW 161 156 WASHER SPRING MASHER AERQQUIP 1 27 2PLAGES LJ PROTECTIVE CAP 2PLACES NOTE 1 CHARGED HELIUM GAS 16 5kgiG Cm 62MPa 2 WEIGHT 11kg ADSORBER Le NOTE 1 CURRENT RATING 2A GLASS BODY FUSE 2 10 3 33 5 1 CLASS G 2 CURRENT RATING 34 CLASS G FUSE 10 3 gt 33 5 NOTE 1 CLASS G 2 CURRENT RATING 2A CLASS G FUSE 2A O RING
29. y The Oil Mist Adsorber is reguired to replace for every 20 000 Hrs operation Table 3 3 ADSORBER FOR COMPRESSOR UNIT DESCRIPTION PARTNUMBER REMARK RE71TN0408 OD155x H447 Table 3 4 REQUIRED TOOLS FOR ADSORBER REPLACEMENT Tos o For Aero quip coupling For Aero quip coupling Snoop liquid For leak check 5 Cotton wipers For leak check 6 13 mm Open end wrench For fixing nut for Adsorber Screw driver phillips For side panel of Compressor Unit CSA 71A 20 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 3 1 PERIODICAL MAINTENANCE Replace the Adsorber instructed as follows PREPARATION 10 Shut down the Cryocooler 2 Disconnect the Input Power Cable from the Compressor Unit 3 Disconnect the Supply and Return Flex Lines from the Compressor Unit REMOVING THE USED ADSORBER 1 Loosen the screws that hold the compressor Side panel and remove the panel ki 2 Disconnect the Adsorber Self Sealing Coupling Use three wrenches CSA 71A 21 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Ltd 3 1 PERIODICAL MAINTENANCE 4 Remove the Nut and Washer secured the Adsorber to the _ panel of the Compressor Unit 50 Remove the used Adsorber from the frame CSA 71A 22 TECHNICAL INSTRUCTION Sumitomo Heavy Industries Lid 3 1 PERIODICAL MAINTENANCE INSTALLING NEW ADSORBER 1
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