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Allied Air Enterprises 4HP16LT manual Issue, Page

Models: 4HP16LT

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Allied Air Enterprises 4HP16LT manual Issue, Page

Contents

TABLE OF CONTENTS INSTALLATION AND MAINTENANCE INSTRUCTIONS4HP16LT Series Split System Heat PumpINSTALLATION Installation ClearancesTorque Table GeneralRefrigerant Piping Slab MountingElectrical Wiring Refrigerant Line Set Diameters in Thermostat DesignationsWithout Auxiliary Heat With Auxiliary HeatOutside Unit Placement and Installation Installing Refrigerant LinePlacement Brazing Connection ProcedureRefrigerant Line Sets Installing Horizontal Runs Flushing Existing Line Set and Indoor Coil R22 refrigerant will be used to flush the systemFlushing Connections TXV Data Liquid and Suction Line Service ValvesTo Access the Schrader Port Refrigerant Metering DeviceService Valve Ball Type Service Valve Valve OpenEvacuation START-UP Refrigerant Charge Adjustmentambient temperature Refrigerant ChargingCooling Cycle Charge Using Weigh-InMethodCharge Using Subcooling Method Outdoor Temperatures Below 65FBlocking Outdoor Coil R410A Temperature/Pressure ChartSubcooling Values Normal Operating Pressures Check Charge Using Normal Operating Pressures Approach Values for TXV SystemsOPERATION DIAGNOSTIC LEDSFilter Drier Crankcase HeaterDEFROST BOARD PRESSURE SWITCH CONNECTIONS 5-STRIKELOCKOUT FEATUREDEFROST SYSTEM SENSORS Sensor Temp. / Resistance RangeOPERATIONAL DESCRIPTION DELAY MODEDEFROST BOARD DIAGNOSTICS Issue PagePage Defrost Control Board Diagnostic LEDsIssue Flash Codes System Diagnostic ModuleInterpreting the Diagnostic LEDs LED DescriptionFlash Codes cont 24VAC Power WiringMiswired Module Codes Miswired Module TroubleshootingThermostat Demand Wiring MAINTENANCE HOMEOWNER INFORMATION In case of extended power outageHeat Pump Operation Thermostat OperationPreservice Check Start-Upand Performance Checklist CoolingHeating Sequence of OperationPage Single Stage Wire DiagramIssue Page Two Stage Wire DiagramIssue