Friedrich PTAC - R410A service manual To Chassis Junction

Page 19

TRIM HARNESS TO LENGTH

TO CHASSIS JUNCTION

4.0 IN.

18.0 IN.

EXPOSE

WIRES

(1.0 IN.)

STRIP WIRE ENDS (0.5 IN.)

TO WALL JUNCTION

FRP032

 

STRAIGHT

 

CONNECTOR

WALL CONNECTION

JUNCTION

 

 

BOX

 

GROUND

 

SCREW

GROUND

 

WIRE

 

HARNESS

 

JUNCTION

COVER

SCREWS

BOX COVER

 

 

FRP033

 

LEADING SIDE FOR

 

WIRE HARNESS INSERTION

SPACER

LOCKNUT

 

 

CHASSIS

 

JUNCTION

SPACER

BOX

3.Route the cut ends of harness through the conduit connector

assembly and conduit sleeve. Be sure to use the supplied conduit bushing to prevent damage to the cord by the conduit.

The cord should pass through the Locknut, Spacer, Chassis Junction Box, Conduit Connector, Bushing, then the Conduit Sleeve. Refer to wire harness insertion diagram.

4.Route the cut ends of the power cord through the elbow connector at the other end of the conduit. Tighten screws on elbow connector to secure conduit sleeve.

5.Fasten and secure the elbow connector to the wall junction box cover with locknut. Place and mount the wall junction box with the four wall mounting screws making sure to pass the wall lines through the junction box. Connect and join all wall lines with the stripped ends using wire nuts. Tighten both screws of the wall junction box cover to junction box.

CONDUIT

CONNECTOR

BUSHING

CONDUIT

SLEEVE

EXITING SIDE FOR

WIRE HARNESS

FRP034

17

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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 Capacitor Connections Components TestingCapacitors Capacitor Check with Capacitor AnalyzerDrain PAN Valve Heater Elements and Limit SWITCHES’ SpecificationsRefrigeration Sequence of Operation Risk of Electric Shock 410A Sealed Refrigeration System RepairsEquipment Required Equipment Must be CapableFreeze Hazard Method Of Charging / RepairsUndercharged Refrigerant Systems Burn HazardRestricted Refrigerant System Overcharged Refrigerant SystemsCapillary Tube Systems Hermetic Components CheckMetering Device Check ValveReversing 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