Refrigerant Cycle Diagrams - LG R5TT20F-SA0 Manual

Heat Pump Water Heater

7. Refrigerant Cycle Diagrams

Heat
Exchanger
(Condenser)
LOC
Th1 Thermistor for discharge pipe temperature
Th2 Thermistor for evaporating temperature
Th3 Thermistor for indoor air temperature
Th4 Thermistor for suction pipe temperature
Th5 Thermistor for upper water tank temperature
Th6 Thermistor for lower water tank temperature
*EEV : Electronic Expansion Valve.
9
- 60 Hz (R134a)
Th5
Th6
Water
Tank
Description
Compressor
Th1
Th4
EEV
Th2
Heat
Exchanger
(Evaporator)
PCB Connector
CN_TH2
CN_TEMP_AIR
CN_TEMP_AIR
CN_TH1
CN_TANK_D
CN_TANK_U
Heating
Defrosting
Th3
M