Trane 25 Series Installer Manual page 31

Refrigerant System Diagram
Heat Pump Models
30K
Heat
exchanger
(evaporator)
36K
Heat
exchanger
(evaporator)
Liquid pipe:1/4 inch
Gas pipe:5/8 inch
Indoor unit
Gas pipe
side
Liquid pipe
side
Indoor unit
Liquid pipe
side
Valve
Di s charge
Suction
Compressor
Valve
Strainer Electron
Gas pipe
side
Valve
Di s charge
Suction
Compressor
Valve
Strainer
31
25 Series Single Zone
Outdoor unit
4-Way valve
Accumlator
Heat
exchanger
(condenser)
Capillary
Strainer
expansion
valve
Outdoor unit
4-Way valve
Accumlator
Heat
exchanger
(condenser)
Electron Strainer
expansion
valve
COOLING
HEATING
COOLING
HEATING