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Friedrich V(E, H)A09K25 service manual

Models: V(E H)A09K25

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Contents

VE,HA09K25 Single Package Vertical Air Conditioning SystemA - H Sufﬁx Models MODELSTable of Contents Introduction Model Identiﬁcation Guide Serial Number Identiﬁcation GuideVEA / VHA09,12 VERT-I-PAK H SUFFIX CHASSIS SPECIFICATIONSELECTRIC HEAT DATA VEA/VHA9K-24KVEA / VHA09,12 VERT-I-PAK E & G SUFFIX CHASSIS SPECIFICATIONSELECTRIC HEAT DATA VEA / VHA9K-24KVERT-I-PAK A - D SUFFIX CHASSIS SPECIFICATIONS Refrigeration Assembly Sequence of OperationControl Low Voltage Electrical SupplySupply Circuit Supply VoltageHeat Anticipators Room ThermostatsLocation SHOWN BELOW Typical Electrical & Thermostat Wiring DiagramsFOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS VEA/VHA 24KCOM G & H SufﬁxTypical Electrical & Thermostat Wiring Diagrams RT1 THERMOSTAT FRONTSHOWN BELOW A - E SufﬁxTypical Electrical & Thermostat Wiring Diagrams FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE ASCooling Indoor Blower - AirﬂowCondenser Fan Motors Blower Wheel InspectionChecking Approximate Airﬂow Checking External Static PressureElectric Heat Strips Airﬂow Charts A - D Sufﬁx Explanation of chartsDuctwork Preparation Refrigerant ChargingUndercharged Refrigerant Systems Method Of ChargingRestricted Refrigerant Systems Overcharged Refrigerant SystemsElectrical Circuit and Coil Testing CoilMetering Device - Capillary Tube Systems Reversing Valve Description/OperationChecking Reversing Valve Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle FROM ELECTRICAL SHOCK Single Phase Running and L.R.A. TestCompressor Checks DANGER OF BODILY INJURY OR DEATHRecommended Procedure for Compressor Replacement Single Phase Resistance TestRepeat Step 8 to insure no more leaks are present Capacitor Connections CapacitorsCapacitor Check With Capacitor Analyzer Electric Heat Switch Check Out Electric Heat Switch OperationHeat Pumps Only MODEL Wiring Diagram IndexDIAGRAM DIAGRAMVHA09K25RTG A - D Sufﬁx only A - D Sufﬁx only A - D Sufﬁx only Page Page Page Page Page Page Page Page Page NO COOLING 9-18ELECTRICAL TROUBLESHOOTING CHART - COOLINGNO COOLING 2-TONELECTRICAL TROUBLESHOOTING CHART - CoolingREFRIGERANT SYSTEM DIAGNOSIS HEATING TROUBLESHOOTING CHART - COOLINGTROUBLESHOOTING CHART - HEATING REFRIGERANT SYSTEM DIAGNOSIS COOLINGIs Selector Switch set for Heat? ELECTRICAL TROUBLESHOOTING CHART HEAT PUMPSYSTEM COOLS WHEN HEATING IS DESIRED HEAT PUMPPage 4200 N. Pan Am Expressway · San Antonio, Texas Use Factory Certiﬁed PartsFRIEDRICH AIR CONDITIONING CO Post Office Box 1540 · San Antonio, Texas