Refrigerant System Diagrams - Trane 25 Series Installer Manual

25 Series Single Zone
Refrigerant System Diagram
Heat Pump Models
9K-12K
Heat
exchanger
(evaporator)
Liquid pipe:1/4"
Gas pipe:3/8" (09K) 1/2"(12K)
18K-24K
Heat
exchanger
(evaporator)
Liquid pipe: 1/4"inch
Gas pipe: 1/2" (for 18k)
Gas pipe: 5/8" (for 24k)
Indoor unit
Gas pipe
side
Liquid pipe
side
Indoor unit
Gas pipe
side
Liquid pipe
side
Valve
Di s charge
Accumlator
Suction
Compressor
Valve
Strainer
Valve
Di s charge
Accumlator
Suction
Compressor
Valve
Electron
Strainer
expansion
valve
30
Outdoor unit
4-Way valve
Heat
exchanger
(condenser)
Electron
Strainer
expansion
valve
COOLING
HEATING
Outdoor unit
4-Way valve
Heat
exchanger
(condenser)
Capillary
Strainer
COOLING
HEATING