Friedrich PTAC Service Manual, Troubleshooting, and Dip Switch Settings

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Service Manual

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PTAC - R410A Models

Packaged Terminal Air Conditioners

Packaged Terminal Heat Pumps

PD-ServMan-E (2-11)

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Contents Ptac R410A Models Technical Support Contact Information Table of Contents Your safety and the safety of others are very important Important Safety InformationPersonal Injury or Death Hazards Mechanical Hazards IntroductionGeneral Product Features Digital Packaged Terminal Air Conditioners & Heat Pumps Component Identification Accessories Pxfta Unit Identification Chassis Specifications Cooling & Heating Performance PDE 265V Extended Cooling Performance Electric Heat Data Electrical Rating Tables Power Cord Information 230/208V Models onlyElectric Shock Hazard Electrical Wiring for 265 Volt Models To Chassis Junction Remote Control Thermostat Installation Desk Control Terminals Digital Temperature Friedrich Digital Control Features+*&-.4-*2+4 #$%&#*%&+,-*&./0#&1!0*$# DIP SwitchDigital Control Diagnostics Fan can’t run or the fan speed is too slow Malfunction AnalysisKeep the air tightness well. Try not to use the electic Supply voltage is abnormal Capacitors Components TestingCapacitor Check with Capacitor Analyzer Capacitor ConnectionsDrain PAN Valve Heater Elements and Limit SWITCHES’ SpecificationsRefrigeration Sequence of Operation Equipment Required 410A Sealed Refrigeration System RepairsEquipment Must be Capable Risk of Electric ShockUndercharged Refrigerant Systems Method Of Charging / RepairsBurn Hazard Freeze HazardRestricted Refrigerant System Overcharged Refrigerant SystemsMetering Device Hermetic Components CheckCheck Valve Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the CoilChecking the Reversing Valve Touch Test in Heating/Cooling Cycle Procedure For Changing Reversing ValveFire Hazard Compressor Checks External Overload Single Phase Resistance TestGround Test Recommended procedure for compressor replacement Compressor ReplacementHigh Temperatures Electrical Shock Hazard Routine MaintenanceTroubleshooting Chart Heating Troubleshooting Chart CoolingSystem Cools When Heating is Desired Electrical Troubleshooting Chart Heat PumpYES Electronic Control Board Electronic Control Board Component ID Wiring DiagramRT6 5558+131!8 Resistance Table for Air Indoor Temperature Sensor Temp Resistance Friedrich Packaged Terminal AIR Conditioners and Heat Pumps Ptac Exploded View Ptac Parts List PDE Models Ptac Parts List PDH Models Friedrich AIR Conditioning CO