Piping Diagrams - Friedrich M18YJ Service Manual

Piping Diagrams

Model : M18YJ
Indoor Unit
Th2
Th1
Heat
Exchanger
(Evaporator)
LOC.
Th1 Thermistor for suction air temperature
Th2 Thermistor for evaporator inlet temperature
Th3 Thermistor for evaporator outlet temperature
Th4 Thermistor for evaporator middle temperature
Th5 Thermistor for discharge pipe temperature
Th6 Thermistor for condensing temperature
※ EEV : Electronic Expansion Valve
Th7 Thermistor for outdoor air temperature
Liquid Side
2-Way Valve
Th4
Th3
Gas Side
Accumulator
3-Way Valve
Description
Outdoor Unit
EEV
Compressor
- 3 -
Heat
Exchanger
(Condenser)
Th6
Reversing Valve
Th5
Cooling
Heating
PCB Connector
CN-TH1(Indoor)
CN-TH2(Indoor)
CN-TH3(Indoor)
CN-TH2(OUTDOOR)
CN-TH1(OUTDOOR)
Th7