Friedrich VRP Series Service & Parts Manual page 3

Wall Controller Installation 12 & 24k-
Return Air Door Installation12 & 24k-
FreshAire System Set-up and Operation-
Final Installation Checklist-
TROUBLESHOOTING-
VRP Troubleshooting Map-
Required Tools-
Required Skills-
Troubleshooting by Rule Out Methodology-
Diagnostic Codes-
Check For Power-
Diagnostic Code (Temperature Based)-
R-410A SEALED SYSTEM REPAIR-
Refrigerant Charging-
Undercharged Refrigerant Systems-
Overcharged Refrigerant Systems-
Restricted Refrigerant System-
Sealed System Method of Charging/ Repairs-
Compressor replacement-
Compressor Replacement -Special Procedure in Case of Compressor Burnout-
Replace The Reversing Valve-
Replace The Condensor Coil 12k/24k-
Replace The Evaporator Coil 12k/24k-
Replace The Evaporator Coil Drain Pan-
COMPONENT TESTING-
Electronic Expansion Valve (EEV)-
Reversing Valve Description And Operation-
Testing The Reversing Valve Solenoid Coil-
Checking The Reversing Valve-
Testing The Reheat Valve Solenoid Coils-
Touch Test Chart : To Service Reversing Valves-
Compressor checks-
Check the Outdoor Fan 12k-
Replace the Outdoor Fan 12k-
Check the Indoor Fan-
Replace the Indoor Fan 12k/24k-
Check the Heating Elements-
Replace the Heating Elements-
Driver Board Pin out-
Driver Board Replacement-
Check RS-485 ConverterBoard-
Fmc Board Pin Out-
FMC Board Replacement-
Heater Board Pin Out-
Heater Board Replacement-
Thermistor Locations-
T8 (Return Air Sensor)-
T1 (Evaporator Coil In Sensor)-
T5 (Evaporator Coil Out Sensor)-
T9 (Discharge Air Sensor)-
T2 (Liquid Heat)-
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