Multistack Airstack ASPX Series Operation And Maintenance Manual Download Page 1 | Manualshive

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ASP X Chiller Modules

Operation and Maintenance Manual

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Summary of Contents for Airstack ASPX Series

Page 1: ...ASP X Chiller Modules Operation and Maintenance Manual...

Page 2: ...or Oil Level 8 13 0 Refrigerant Charge Evacuation 8 14 0 Filter Driers 8 15 0 Condenser Fan Control 8 16 0 Superheat Subcooling 8 17 0 Pressure Relief Valve 9 18 0 Annual Maintenance 9 19 0 Compressor...

Page 3: ...hemoduleMasterControl When theEnteringChilledWatersensorsendsthesignaltotheMasterControlthatCoolingisneeded compressorswillbegintostartandproduceChilledWater The pointatwhichtheEnteringChilledWatertem...

Page 4: ...tageimbalance It is very important to keep the unbalance between electrical phases to a minimum There will always be one module in the bank that is the Master Module This module contains the Master Co...

Page 5: ...e Master Module has and Entering Chilled Water Sensor A System Leaving ChilledWater Sensor is shipped in the electrical panel of the Master Module and should be field installed 2 10 after the first mo...

Page 6: ...ver ChillerModulesuseamechanicalexpansionvalveforrefrigerantcontroltotheevaporator Superheatshouldbesettoapproximately10 12 F TheLiquidLine Solenoid is used to prevent refrigerant migration into the e...

Page 7: ...age of this manual is an information log sheet for the chiller The log sheet can be used daily weekly or as desired to record operation characteristics of the chiller The information recorded on the l...

Page 8: ...level should be maintained at 1 8 full To ensure no liquid is present in the oil the crankcase heaters should be on 24 hours before starting of the compressors Factory oil charge volume for each comp...

Page 9: ...L stainless steel and copper Do not use bleach or hydrochloric or sulfuric acids 18 4 Condenser Coils The condenser side coils should be cleaned periodically of air born debris to maximize efficiency...

Page 10: ...tothecompressoritisrecommendedthecompressorbereplacedasremovingallthemoisture from the oil is very difficult Replacement of the condenser side heat exchanger the expansion valve and installation of a...

Page 11: ...icalmodulethroughthebottomheadersothemechanicalmodulebottomheader will connect with the free cool module bottom header Leaving chilled water can the either exit the chiller through the free cool modul...

Page 12: ...ebottomofthetankandpouritbackintothetankinadifferentlocationmixing the solution PressureGauge Thepressuregaugeshowsthepressurethatthechilledwaterloopisoperatingat ItisalsoshowingwhatthePressureRegulat...

Page 13: ...mode On a normal application without water valves if you have 10 compressors and flow at a true 10 F DeltaT with setpoints of 55 Up and 45 Lo andVSP at 50 your no load point would be 50 F The last mo...

Page 14: ...setpoints in system variables Check for flow restriction No Demand Check entering ECHW sensor Check setpoints in system variables Check sensor location 100 Demand all the time Check entering CHW senso...

Page 15: ...Suct Temp LoChwTemp Fault if any Comp 1 Comp 2 Comp 3 Comp 4 Comp 5 Comp 6 Comp 7 Comp 8 Comp 9 Comp 10 Comp 11 Comp 12 Ent Chw Lvg Chw Demand Capacity System Upset Loset VSP Load Limit Tdiff Index Sy...

Page 16: ...F162ASP O M 072610 1064 Maple Avenue Sparta WI P 608 366 2400 F 608 366 2450 www multistack com...

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