Heatcraft Refrigeration Products 25000102 operation manual Parallel Compressor Systems

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Installation and Operation

Manual

Bulletin No. H-IM-PCS	October 2004	Part Number 25000102

(Replaces H-IM-72B, October 2004)

Parallel

Compressor

Systems

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Contents Parallel Compressor Systems Table of Contents Inspection IntroductionUnit Designation Model DefinitionRigging System WarrantyLocation Of Equipment Indoor Clearances Floor & Foundation RequirementsGround Mounting Location of Equipment OutdoorRoof Mounting Unit Vibration IsolationVertical Clearance Unit AccessDecorative Fences Units in PitsElectrical Ventilation Requirements Indoor UnitsRefrigerant Piping Suction P-TrapsRefrigerant Line Support Refrigerant Line InsulationTable of Values for L Expansion LoopsRef. Line Amount of Expansion Equivalent Feet of Pipe Pressure Loss of Liquid RefrigerantsLiquid Line Rise in Feet Refrigerant 10’ 20’ 25’ 30’ 40’ 50’ 75’ 100’Suction Line at Suction Temperature Weight of Refrigerants in Copper Lines During OperationLine 40F 20F Recommended Line Sizes for R-404A/R-507 Expansion Valve Liquid Line SizeLengths 100’ 150’ 200’ 25’Suction Line Size Recommended Line Sizes for R-22Capacity 40˚F 20˚F 10˚F 10˚F Liquid Line Size Suction TemperatureNet Recommended Remote Condenser Line Sizes12 & R-134A 502 507 & R-404A TotalEvacuation Leak Checking, Evacuation and Start-upStart-up Off-Cycle Refrigerant DistributionElectric Defrost Priority I Hot Gas DefrostSystem Balancing Electronic Control SystemSystem Superheat Evaporator SuperheatCopeland Compressors 4D/6D Solid State Modules CompressorsTypical Voltage Ranges Unloader FactorsOil Charges Oil Safety SwitchApproved Copeland Lubricants Carlyle CompressorsPart Load Performance Multipliers Phase Voltage MonitorRequired Differential Pressure for Unloader Operation Sight Glass Safety Relief Devices Sight Glass & Moisture IndicatorDischarge Piping Table Henry Relief Valve Capacity RatingManual Reset Models Auto Reset ModelsLiquid Level Switch Level Switch TableOil Control Module ReplacementOil Separators Temprite Models Temprite Valve AdjustmentOil Level Regulators AC&R Model Regulators Troubleshooting Oil SystemLiquid Filter-Driers & Suction Filters Sporlan Valve CoSuction Filter CompressorMotorBurnoutCleanupProcedureSporlan Valve Company Replaceable Suction FilterType AFD for cleanup Type DF for cleanupSuperior Valve Company Type F FilterField Adjustment Recommended Valve SettingsHot Gas Bypass Regulator Adjustment Liquid Drain Control MethodControl Settings for R-404A/R-507 Control SettingsControl Settings for R-22 Low Pressure Switch Setting for RmccWeekly General Maintenance ScheduleMonthly QuarterlyTemperature Symptom Cause Remedy CompressorDoes Not Run Unit ShortSwitch Open Symptom Cause Remedy LowHigh Suction Low SuctionSystem Reference Data Service Record