Refrigerant System Diagram
Heat Pump Models
28
115V Mini-Split
Indoor unit
Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer
Strainer
Electronic
expansion
valve
Refrigerant pipe diameter
Liquid : 1/4" Gas : 3/8"