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Telemark Cryogenics, Instruction Manual

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Telemark Cryogenics Instruction Manual Download Page 5

Refrigeration  Vacuum pump

•

There are many different 
models of vacuum pumps 
available on line or at any 
HVAC parts center.

•

With proper adaptors you 
can use the vacuum pump 
on your vacuum coating 
system

•

There are many portable 
refrigeration vacuum 
pumps available too

Summary of Contents for Cryogenics

Page 1: ...s WATER VAPOR CRYO CHILLER Part No 19 0001 00 Copyright Telemark Cryogenics 1998 2016 All rights reserved Rev 1 0 2 June 2016 www telemark com Brand or products names are trademarks or registered trad...

Page 2: ...a high pressure cylinder is used a pressure regulator will be needed 4 Cylinder of leak detectable gas 5 Halogen leak detector for refrigerants 6 Leak check soap 7 Vacuum pump capable of 5 x 10 2 Torr...

Page 3: ...available on line or at any HVAC parts center This will be used to recover any gas charge left in your unit if required for service This will be used to pump in the gas charge from your tanks or tanks...

Page 4: ...center There is a low side blue color gauge and a high side red gauge The low side will be connected to the Suction side of the compressor and the high side will be connected to the discharge side of...

Page 5: ...are many different models of vacuum pumps available on line or at any HVAC parts center With proper adaptors you can use the vacuum pump on your vacuum coating system There are many portable refrigera...

Page 6: ...es off the service port the small port on the side of the valve with the brass blank off nut Mid Seated From the backseat per above turn the valve stem three turns clockwise This allows refrigerant to...

Page 7: ...mpressor valve back seated Turn valve stem counter clockwise until the valve stem is fully extended This closes off the service port the small port on the side of the valve with the brass blank off nu...

Page 8: ...Compressor valve Mid seated From the backseat per above turn the valve stem three turns clockwise This allows refrigerant to flow to the service port This is a common position during servicing...

Page 9: ...Compressor valve front seated Turn valve stem clockwise until fully shortened This stops any flow of refrigerant THE COMPRESSOR SHOULD NOT BE RUN WITH THE VALVE IN THIS POSITION...

Page 10: ...ide panels to access compressor area Leak check the full system before adjusting any valves or installing the manifold You don t want to inveterately fix the leak by adjusting a valve before you find...

Page 11: ...Manifold s valves are closed Connect the manifolds suction hose to the compressors suction service valve Connect the manifolds discharge hose to the compressor s discharge service valve Midseat the c...

Page 12: ...Discharge valve Bitzer Comp Suction valve Bitzer Comp Suction valve Emerson Comp Discharge valve Emerson Comp...

Page 13: ...ry system does not have a pressure gauge install a gauge between your recovery system and the cylinder Connect the suction side of the manifold to the suction valve on the compressor Open the valves o...

Page 14: ...center hose Open both manifold valves and the cylinder valve and increase pressure in the unit to 250 to 350 psig Check the entire system including lines and in chamber cryo coil for leaks with the h...

Page 15: ...ction from the manifold s center hose Release the vapors gasses from the unit by opening both manifold valves Connect the vacuum pump to the manifold s center hose and turn on the pump Evacuate the sy...

Page 16: ...nitrogen connection from the manifold s center hose Release the vapors gasses from the unit by opening both manifold valves Connect the vacuum pump to the manifold s center hose and turn on the pump...

Page 17: ......

Page 18: ...sposable cylinders or in a reusable cylinder Depending on your countries laws and what Cryochiller model you have this can be from 1 to 3 tanks for a full gas charge Re fillable cylinder 1 per charge...

Page 19: ...at the manifold Open the cylinder valve Turn the cylinder upside down so that the liquid refrigerant will be drawn into the unit first If using a refillable tank connect to the liquid side of the gas...

Page 20: ...Charging with disposable tank using recovery pump...

Page 21: ...Charging with refillable tank using recovery pump...

Page 22: ...he inlet of your charge recovery system Purge hoses of air A2 Open the valves on the manifold and on the cylinder Turn on the charge recovery system to pump the refrigerant into the Cryochiller A3 Rep...

Page 23: ...tion while this work is done B4 Remove Tank 1 and Connect Tank 2 to the manifold s center port Open the manifold s suction valve and the valve on Tank 2 If applicable B5 When the pressure in Tank 2 re...

Page 24: ...Charging using compressor on suction side of compressor...

Page 25: ...frigerant recharges were shipped in disposable cylinders They are intended for one time use only Cylinders should be properly disposed of These cylinders can be recycled If the gas charge was shipped...

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