LG S4-W12JA1ZD - Refrigerant Cycle Diagram; Refrigerant Flow and Thermistor Locations

3. Refrigerant Cycle Diagram
Refrigerant Pipe Connection Port Diameters
Model
Gas Liquid
mm inch mm inch
Ø 9.52 Ø 3/8 Ø 6.35 Ø 1/4
LOC. Description PCB Connector
CN-TH1 (Indoor)
CN-TH3 (Indoor)
Th3 Thermistor for outdoor air temperature
Th1 Thermistor for indoor air temperature
Th5 Thermistor for discharge pipe temperature
Th2 Thermistor for evaporator middle temperature
CN-TH1 (Outdoor)
Th4 Thermistor for condensing temperature
CN-TH2 (Outdoor)
Model : S4-W12JA1ZD
Appendix
Heat Exchanger
Propeller Fan
M
Cross Flow Fan
M
Compressor
r
Accumulator
4 Way Valve
EEV
(Electronic
Expansion Valve)
Capillary Tube
2-Way Valve
3-Way Valve
Temperature
Sensor
Pressure Sensor
Pressure Switch
Check Valve Flare Joint Muffler Strainer
M
M
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Field Piping
(Copper Tubing)
2-Way Valve
3-Way Valve
Indoor Unit
: Cooling
: Heating
Th1 Th3
Th5
Th4
Liquid Side
Gas Side
Reversing
Valve
Field Piping
(Copper Tubing)
Th2
Compressor
Capillary Tube
(OD 3.2 × ID 1.6 × 950 mm) × 1EA
Outdoor Unit
S4-W12JA1ZD
4