Friedrich H)A09K25, V(E service manual Use Factory Certiﬁed Parts

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Use Factory Certiﬁed Parts.

FRIEDRICH AIR CONDITIONING CO.

Post Office Box 1540 · San Antonio, Texas 78295-1540

4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212

(210)357-4400 · FAX (210) 357-4480 www.friedrich.com

Printed in the U.S.A.

VPSERVMN (4-05)

Image 44

Contents VE,HA09K25 VE,HA09K34 VE,HA12K25 VE,HA12K34VE,HA18K25 VE,HA18K34 VE,HA24K25 VE,HA24K34Table 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 Refrigeration Assembly Sequence of OperationElectrical Supply Supply CircuitSupply Voltage Control Low VoltageRoom Thermostats Heat AnticipatorsTypical Electrical & Thermostat Wiring Diagrams Typical Electrical & Thermostat Wiring Diagrams Sufﬁx For 208 Volt Models only Move the White Wire AS Shown below Indoor Blower Airﬂow Condenser Fan MotorsBlower Wheel Inspection CoolingElectric Heat Strips Checking External Static PressureChecking Approximate Airﬂow Refrigerant Charging Explanation of chartsDuctwork Preparation Method Of Charging Undercharged Refrigerant SystemsOvercharged Refrigerant Systems Restricted Refrigerant SystemsTesting Coil Metering Device Capillary Tube SystemsReversing Valve Description/Operation Electrical Circuit and CoilChecking Reversing Valve Touch Test in Heating/Cooling CycleCompressor Checks From Electrical ShockSingle Phase Resistance Test Recommended Procedure for Compressor ReplacementCapacitors Capacitor ConnectionsElectric Heat Switch Operation Electric Heat Switch Check OutWiring 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