Friedrich V(E, H)A09K25 service manual

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Contents VE,HA24K25 VE,HA24K34 VE,HA09K25 VE,HA09K34VE,HA12K25 VE,HA12K34 VE,HA18K25 VE,HA18K34Table of Contents Introduction Serial Number Identiﬁcation Guide VERT-I-PAKH Suffix Chassis Specifications VERT-I-PAKE & G Suffix Chassis Specifications VERT-I-PAKA D Suffix Chassis Specifications Sequence of Operation Refrigeration AssemblyControl Low Voltage Electrical SupplySupply Circuit Supply VoltageHeat Anticipators Room ThermostatsTypical Electrical & Thermostat Wiring Diagrams Typical Electrical & Thermostat Wiring Diagrams Sufﬁx For 208 Volt Models only Move the White Wire AS Shown below Cooling Indoor Blower AirﬂowCondenser Fan Motors Blower Wheel InspectionChecking Approximate Airﬂow Checking External Static PressureElectric Heat Strips Ductwork Preparation Explanation of chartsRefrigerant Charging Undercharged Refrigerant Systems Method Of ChargingRestricted Refrigerant Systems Overcharged Refrigerant SystemsElectrical Circuit and Coil Testing CoilMetering Device Capillary Tube Systems Reversing Valve Description/OperationTouch Test in Heating/Cooling Cycle Checking Reversing ValveFrom Electrical Shock Compressor ChecksRecommended Procedure for Compressor Replacement Single Phase Resistance TestCapacitor Connections CapacitorsElectric Heat Switch Check Out Electric Heat Switch OperationWiring Diagram Index VHA09K25RTG Sufﬁx only Sufﬁx only Sufﬁx only Page Page Page Page Page Page Page Page Page Electrical Troubleshooting Chart Cooling TON Electrical Troubleshooting Chart Cooling Troubleshooting Chart Cooling Electrical Troubleshooting Chart Heat Pump Page Use Factory Certiﬁed Parts