Friedrich 000 BTU'S service manual VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW

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HEAT PUMP WITH ELECTRIC HEAT

ELECTRICAL & THERMOSTAT WIRING DIAGRAM

VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW

ELECTRIC HEAT

NOTE: THE DIAGRAM ABOVE, ILLUSTRATES THE TYPICAL THERMOSTAT WIRING FOR TWO SPEED FAN OPERATION. SEE THE UNIT CONTROL PANEL FOR THE ACTUAL UNIT WIRING DIAGRAM AND SCHEMATIC.

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Contents Single Package Vertical Air Conditioning System Technical Support Contact Information Table of Contents Your safety and the safety of others are very important Important Safety InformationRefrigeration System Hazards Property Damage Hazards IntroductionSerial Number Identification Guide Electric Heat Data Chassis SpecificationsVEA Extended Cooling Performance Extended Cooling PerformanceVEA/VHA09-24 VEA Extended Cooling Performance Electric Shock Hazard Electrical RequirementsRT5 Two speed fan RT4 One speed fan Remote Thermostat and Low Voltage Control ConnectionsThermostat Connections Quiet Start/Stop Electronic Control Board FeaturesElectronic Control Configuration Test Mode Electronic control error codes diagnostics and test modeDiagnostics Power On and Off Features on the Electronic Control Cool mode control features for cool with electric heat units Compressor operation depends on t-stat settings VERT-I-PAK Single Packaged Vertical AIR Conditioners Component description / A-Series specificationsExternal Static Pressure Indoor Airflow Data Capacitor Connections Components TestingCapacitors Capacitor Check with Capacitor AnalyzerDrain PAN Valve Components TestingHeater Elements and Limit SWITCHES’ Specifications Refrigeration Sequence of Operation Refrigeration AssemblyCUT/SEVER Hazard ServiceRisk of Electric Shock Sealed Refrigeration System RepairsEquipment Required Equipment Must be CapableFreeze Hazard Method Of Charging / RepairsBurn Hazard Overcharged Refrigerant Systems Undercharged Refrigerant SystemsRestricted Refrigerant System Capillary Tube Systems Hermetic Components CheckMetering Device Check ValveReversing Valve DESCRIPTION/OPERATION Checking the Reversing Valve Testing the CoilExplosion Hazard Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Fire HazardCompressor Checks Checking Compressor Efficiency Single Phase Resistance TestGround Test High Temperatures Compressor ReplacementRecommended procedure for compressor replacement Rotary Compressor Special Troubleshooting and Service AIR Filter Routine MaintenanceCoils and Base PAN Excessive Weight Hazard Blower Wheel / Housing / Condenser FAN / ShroudCondensate Disposal System Routine MaintenanceSleeve / Drain Front Cover9K BTU, 12K BTU, & 18K BTU Electrical Troubleshooting Chart CoolingCircuit Breakers are Electrical Troubleshooting Chart Cooling 24K BTUHeat Pump Mode Electrical Troubleshooting Chart Heat PumpTroubleshooting Chart Heating Troubleshooting Chart CoolingElectric Heat VEA 09/12/18 with 2.5 KW, 3.4 KW or 5KWVHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW Cool with Electric Heat Heat Pump with Electric Heat Cool with Electric Heat Heat Pump with Electric Heat Outdoor Coil Return Air Indoor Coil Drain PAN AccessoriesWall Plenum Friedrich Air Conditioning Company Technical Support Contact Information Friedrich AIR Conditioning CO