Service & Parts Manual (2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- SPECIFICATIONS
- OPERATION
- ROUTINE MAINTENANCE
- REMOVE AND INSTALL THE CHASSIS
- R-410A SEALED SYSTEM REPAIR
- COMPONENT TESTING
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Replace The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement
- Fan Motor
- Capacitors
- Heating Element
- Drain Pan Valve
- Testing the User Interface and Electronic Control Board
- Thermistors Description
- Electronic Control Board Identification
- Replace the Electronic Control Board
- Replace the User Interface
- TROUBLESHOOTING
- WIRING DIAGRAMS
- PARTS CATALOG
- Available Accessories
13 PB
WARNING
Electrical Shock Hazard
Make sure your electrical receptacle has the
same conguration as your air conditioner’s
plug. If different, consult a Licensed Electrician.
Do not use plug adapters.
Do not use an extension cord.
Do not remove ground prong.Always plug into
a grounded 3 prong outlet. Failure to follow
these instructions can result in death, re, or
electrical shock.
Make sure the wiring is adequate for your unit.
If you have fuses, they should be of the time delay type. Before you install or relocate this unit, be sure that the
amperage rating of the circuit breaker or time delay fuse does not exceed the amp rating listed in Table 206.
DO NOT use an extension cord.
The cord provided will carry the proper amount of electrical power to the unit; an extension cord may not.
Make sure that the receptacle is compatible with the air conditioner cord plug provided.
Proper grounding must be maintained at all times. Two prong receptacles must be
replaced with a grounded receptacle by a certied electrician.
The grounded receptacle should meet all national and local codes and ordinances. You must use the three prong plug
furnished with the air conditioner. Under no circumstances should you remove the ground prong from the plug.
Test the power cord.
All Friedrich room air conditioners are shipped from the factory with a Leakage Current
Detection Interrupter (LCDI) equipped power cord. The LCDI device on the end of the cord
meets the UL and NEC requirements for cord connected air conditioners.
To test your power supply cord:
1. Plug power supply cord into a grounded 3 prong outlet.
2. Press RESET (see Figure 207).
3. Press TEST, listen for click; the RESET button trips and pops out.
4. Press and release RESET (Listen for click; RESET button latches and remains in). The power cord is ready for use.
Once plugged in, the unit will operate normally without the need to reset the LCDI device. If the LCDI device fails to trip when
tested or if the power supply cord is damaged, it must be replaced with a new power supply cord from the manufacturer.
NOTICE
Do not use the LCDI device as an ON/OFF switch.
Failure to adhere to this precaution may cause
premature equipment malfunction.
WARNING:
TEST BEFORE EACH USE!
1. PRESS REST BUTTON.
2. PLUG LCDI INTO POWER
RECEPTACLE.
3. PRESS TEST BUTTON,
RESET BUTTON SHOULD
POP UP.
4. PRESS RESET BUTTON
FOR USE.
DO NOT USE IF ABOVE
TEST FAILS.
WHEN GREEN LIGHT
IS ON, IT IS WORKING
PROPERLY!
TEST
RESET
SPECIFICATIONS
Electrical Data
Figure 207 (LCDI Power Cord)