McQuay WHR 040 Installation And Maintenance Data Download | Manualshive

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Summary of Contents for WHR 040

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Page 3: ...d be carefully inspected for damage upon acceptance is not the responsibility of McQuay arrival All shipping damage should be reported to the car NOTE Unit shipping and operating weights are available...

Page 4: ...PAK water chiller If necessary additional structural members should be provided to transfer the weight of the unit to the nearest beams NOTE Unit shipping and operating weights are available in the ph...

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Page 6: ...inlet consult pump manufacturer for recommendations The use of a strainer will prolong pump life and thus keep system performance up A preliminary leak check of the water piping should be made before...

Page 7: ...ompressors on startup It also serves to shut down the unit in the event that water flow is interrupted to guard against evaporator freeze up Fioure 7 A flow switch is available from under ordering num...

Page 8: ...the glycol system GPM To determine gpm or I T knowing n T or gpm and tons Glvcol gp pm 24 x Tons WW A T x G from table PRESSURE DROP To determine glycol pressure drop through the cooler enter the wate...

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Page 10: ...ation These typical systems depending on the specific application must maintain a constant condensing pressure regardless of temperature conditions and must assure enough head pressure for proper ther...

Page 11: ...circuit manufacturer for information on specific applications An auxiliary heat source is necessary if the available con denser heat is not sufficient to satisfy all of the heat load The auxiliary he...

Page 12: ...Fan cycling and modulating fan discharge dampers should be used Consult Figure 12 Typical Dual Condenser Per Circuit Heat Recovery the cooling tower manufacturer for information on specific applicati...

Page 13: ...ints and the compressor crankcase may become starved It is recommended that any discharge lines coming into a horizontal discharge header rise above the center line of the discharge header This is nec...

Page 14: ...a tion not less than 15 feet above the adjoining ground level and not less than 20 feet from any window ventilation open ing or exit in any building The piping must be provided with a rain cap at the...

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Page 29: ...tion with single power supply or disconnect switch it is not available with multi point option On water cooled units only optional compressor overloads are available allowing reduced unit ampacity rat...

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Page 42: ...t ches to on This will energize crankcase heaters Wait a minimum of 12 hours before starting up unit Check compressor oil level Prior to startup the oil level should cover at least one third of the oi...

Page 43: ...lution should be used according to the manufacturer s directions Systems with remote air cooled condensers require periodic cleaning of the finned surface of the condenser coil Cleaning ing may be acc...

Page 44: ...ove from one compressor crankcase to the other during normal operation and balance between the two when the compressors are off This method of equali zation prohibits the oil level from dropping below...

Page 45: ...emperature cor responding to the evaporator pressure All WHR chillers are factory set for between 8 F and 12 F superheat at full load If it is necessary to increase the superheat setting of the valve...

Page 46: ...he evaporator permitting operation at lower loads than available with com pressor unloading It also keeps the velocity of refrigerant gas high enough for proper oil return at light load conditions A s...

Page 47: ...spor tation charge will be charged against its original credit value On all out of warranty compressor failures Copeland offers the same field facilities for service and or replacement as described ab...

Page 48: ...ion valve TCheck for leaks and repair Add refrigerant 2 Check riser sizes 3 Check pitch of lines and refrigerant velocities 4 Replace compressor 1 Check supply voltage for excessive line drop 2 Replac...

Page 49: ...y Claims Department P 0 Box 1551 Minneapolis MN 55440 telephone 612 553 5330 THIS WARRANTY CONSTITUTES THE BUYER S SOLE REMEDY IT IS GIVEN IN LIEU OF ALL OTHER WARRAN TIES THERE IS NO IMPLIED WARRANTY...

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