Table Of Contents - Friedrich PTAC - R410A Service Manual

Important Safety Information ...........................................2-4
Introduction .........................................................................4
General Product Features ..................................................5
HVAC Engineering Specifi cations ......................................6
Component identifi cation ....................................................7
Accessories .....................................................................8-9
Unit Identifi cation ..............................................................10
Chassis Specifi cations ......................................................11
Cooling and Heating Performance ..............................12-13
Electric Heat Data ............................................................14
Electrical Rating Tables ....................................................15
Power Cord Information ..............................................15-17
Remote Wall Thermostat / Low Voltage
Wire Connections ........................................................18-19
Digital Control Features ....................................................20
Digital Control Operation ..................................................21
Digital Control User Input Confi guration ...........................22
Digital Control Diagnostics ................................................23
Malfunction Analysis ....................................................24-26
Components Testing ....................................................27-28
Refrigeration System Sequence of Operation ...................29
Sealed Refrigeration System Repairs ...............................30
Refrigerant Charging .........................................................31
Method Of Charging ..........................................................31
Undercharged Refrigerant Systems .............................31-32
Overcharged Refrigerant Systems ....................................32
Restricted Refrigerant Systems .........................................32

Table of Contents

Capillary Tube Systems/Check Valve ..........................33
Reversing Valve - Description/Operation ...................34
Testing Coil ...................................................................34
Checking Reversing Valves .....................................34-35
Reversing Valve
Touch Testing Heating/Cooling Cycle ..........................35
Procedure For Changing Reversing Valve ..............35-36
Compressor Checks .....................................................36
Locked Rotor Voltage Test ............................................36
Single Phase Connections ............................................36
Determine Locked Rotor Voltage ..................................36
Locked Rotor Amperage Test ........................................36
Single Phase Running & Locked Rotor Amperage ........36
Checking the Overload ..................................................36
External Overload ..........................................................37
Compressor Single Phase Resistance Test ...................37
Compressor Replacement ........................................38-39
Routine Maintenance .....................................................39
Troubleshooting Charts .............................................40-41
Wiring Diagrams for Wall Mounted Thermostats .......42-43
Wiring Diagram .........................................................42-44
RT6 Installation, Operation and Application Guide ...45-46
Thermistors Resistance Values ................................47-48
Warranty ..........
2011 PTAC Exploded View ..........
2011 PTAC Parts List - PDE Models ...
2011 PTAC Parts List - PDH Models ...
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