Piping Diagrams - Friedrich M18YJ 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
3-Way Valve
Description
Outdoor Unit
Accumulator
Compressor
- 3 -
EEV
Heat
Exchanger
(Condenser)
Reversing Valve
Th5
PCB Connector
CN-TH1(Indoor)
CN-TH2(Indoor)
CN-TH3(Indoor)
CN-TH2(OUTDOOR)
CN-TH1(OUTDOOR)
Th7
Th6
Cooling
Heating