Sumitomo F-70H, Service Manual

Page 1: ...F 70H and F 70L Helium Compressors Service Manual Sumitomo SHI Cryogenics of America Inc 1833 Vultee Street Allentown PA 18103 4783 U S A Revision C March 2012 267056A...

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Page 3: ...ng Couplings 21 Replace the Gasket Seal 21 Replace a Nylon Slide Rail 22 Replace the Front Locator Plate 22 Remove or Replace a Caster 22 Replace a Lifting Eyebolt 23 TROUBLESHOOTING 25 Compressor Cap...

Page 4: ...rvice Tools 41 ILLUSTRATIONS LIST Figure 1 Compressor Flow Diagram 9 Figure 2 Connect and Remove the Water Lines 14 Figure 3 Electrical Chassis 27 Figure 4 F 70H Compressor Wiring Diagram 36 Figure 5...

Page 5: ...serious injury or death CAUTIONS call attention to actions or conditions that can result in damage to the equipment or in abnormal performance NOTE NOTES give important additional information explana...

Page 6: ...Never apply heat to a pressurized gas line or other pressurized components Disconnect gas lines only when the compressor is stopped Disconnecting the cold head while it is cold can create excessively...

Page 7: ...ys thoroughly drain the coolant from the cooling circuit if the compressor is to be shipped or stored If the compressor is wired for 380 415 10 V3 electrical service connecting to a higher voltage may...

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Page 9: ...d 3 Hamilton Close Houndmills Industrial Estate Basingstoke Hampshire RG21 6YT United Kingdom TEL 44 1256 853333 FAX 44 1256 471507 Sumitomo SHI Cryogenics of Europe GmbH Daimlerweg 5a D 64293 Darmsta...

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Page 11: ...the closed cycle cryogenic refrigeration system The information in this manual pertains only to the F 70H high voltage model and the F 70L low voltage model Compressors Other components used to form a...

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Page 13: ...istor ARV Atmospheric relief valve IRV Internal relief valve SV Solenoid valve PT Pressure transducer PG Pressure gauge The compressor continuously draws low pressure helium from the system s helium l...

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Page 15: ...eeds no servicing or replacement Fuses Three 3 time delay class CC fuses located inside the electrical chassis box protect the transformer Three 3 time delay 5x20 mm IEC Type T fuses located on the pr...

Page 16: ...Thermistor Senses discharge gas temperature It causes the compressor to shut down if the temperature of the high pressure helium from the compressor is too high Water High Temperature Thermistors Sen...

Page 17: ...ntaminants to the system that cannot be removed in the field PRESERVE YOUR WARRANTY Modification to equipment without the consent of the manufacturer will void the warranty Specifications require the...

Page 18: ...is not required when replacing the adsorber because the gas couplings are self sealing Adsorber Removal 1 Stop the compressor and disconnect the power to the compressor 2 Disconnect the high pressure...

Page 19: ...l separator s outlet coupling With two wrenches torque the Aeroquip coupling to 47 7 Nm 35 5 ft lbs 6 Reconnect the supply red gas line to the supply coupling on the compressor Torque the coupling to...

Page 20: ...gistered 6 Turn the compressor main power switch OFF if desired Used Adsorber Venting and Disposal For safe disposal of the used adsorber 1 A venting adapter fitting is included with the new adsorber...

Page 21: ...ge and vent tool 3 Connect the charge line from the pressure regulator of a helium gas cylinder containing 99 999 pure helium with a dew point less than 62 C 80 F at 20 7 bar 300 psig to Swagelok conn...

Page 22: ...edure to adjust the equalization pressure Gas Cleanup Tools required 2 adapter fittings with valve 8F Aeroquip 255919B2 Open end wrenches 1 1 1 8 and 1 3 16 Helium gas cylinder with pressure regulator...

Page 23: ...with a dew point less than 62 C 80 F at 20 7 bar 300 psig Adjust the gas cylinder pressure regulator to 0 35 bar 5 psig 4 While connecting the charge line to the adapter fitting on the compressor s re...

Page 24: ...While Cold Head Run is displayed press the ON button The cold head will run until the OFF button is pressed or until 30 minutes of running has occurred Leak Check In addition to identifying suspected...

Page 25: ...or Teflon tape as required Self Sealing Couplings From repeated connecting and disconnecting Aeroquip couplings the gasket seal just inside the face of the cold head gas supply and return male couplin...

Page 26: ...ressor s front panel Remove the locator plate 2 Attach a new locator plate to the front panel using the previously removed screws and washers Remove or Replace a Caster Part required Caster P N 49137...

Page 27: ...Eyebolt P N 73216 Tool required Screwdriver or wrench extension if required 1 Use a tool through the eyebolt for removal if it is too tight to turn by hand 2 Inert a replacement eyebolt Tighten it ha...

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Page 29: ...ver The following electrical measurements to check the compressor motor may be made either at the compressor terminals or at the motor contactor 1 Disconnect the power to the compressor 2 Remove the c...

Page 30: ...death AVOID ELECTRIC SHOCK Disconnect the power to the compressor before troubleshooting the electrical components Three 3 Class CC time delay fuses 1 0 ampere for F 70H 2 0 amperes for F 70L FU 1 FU...

Page 31: ...screwdriver Phillips torque screwdriver 2 0 Nm 18 in lbs Needle nose pliers Failures in the electrical system may make it necessary to replace the electrical chassis box assembly or remove it to repai...

Page 32: ...x 8 Remove the four screws and lock washers on the front panel of the electrical chassis Retain the screws and washers Remove the two screws and lock washers holding the electrical chassis to the comp...

Page 33: ...compressor 2 Using a Phillips screwdriver remove the compressor enclosure cover Retain the screws and lock washers for reinstallation 3 The water temperature thermistors are clipped to the water suppl...

Page 34: ...line ET Elapsed time in hours to one decimal place and control state Helium Temp OK Water Temp OK Water Flow OK Motor Temp OK Phase Seq sequence OK Return Press OK Ads Life XXXXX DB 25 Config switch c...

Page 35: ...In the event of a shutdown error the compressor motor and cold head valve motor are turned off The microprocessor will annunciate the error condition via signals at the System Diagnostics Connector a...

Page 36: ...s information from the compressor to be transmitted and displayed to a separate computer running a terminal emulator program In addition to transmitting and displaying information the terminal interfa...

Page 37: ...iption of format of raw data Troubleshooting Guide Problem Possible Cause Corrective Action Blown transformer fuse s FU 1 FU 2 or FU 3 Fault in 200V portion of PCB 1 Transformer short circuit Replace...

Page 38: ...erating Manual See Specifications in Operating Manual See Return Pressure Fault problem Replace PCB 1 Check and replace fuse s LCD reads Helium Temp ERR Note High helium temperature set point is 93 C...

Page 39: ...ter temperature Note Outgoing water high temperature set point is 46 C Low water flow High supply water temperature Excessive load on compressor High helium charge pressure High differential pressure...

Page 40: ...Troubleshooting 36 Figure 4 F 70H Compressor Wiring Diagram...

Page 41: ...Troubleshooting 37 Figure 5 F 70H Compressor Wiring Schematic...

Page 42: ...Troubleshooting 38 Figure 6 F 70L Compressor Wiring Diagram...

Page 43: ...Troubleshooting 39 Figure 7 F 70L Compressor Wiring Schematic...

Page 44: ...3 50 60 Hz F 70H Compressor Parts Item Quantity Part Name Part Number 1 1 1 Electrical chassis assembly for F 70H F267109A 1 2 1 Internal fuse kit F 70H high volt only including 3 Power fuses 1 ampere...

Page 45: ...ctor and cross phased wiring used when retrofitting F 70 in place of an Leybold CP6000 compressor and connecting to Leybold RGD 5100 CH cable 267052C1 3 8 1 Cold Head Extension Cable 0 15m lg Amphenol...

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