Trane 22 Series Installer's Manual page 27

Refrigerant System Diagram 30K, 36K & 42K Units
Outdoor Uint
Electronic Expansion Valve
Indoor Uint
Filter
Heat Exchanger
Heat Exchanger
27
22 Series Multi-Zone
M
Heat Exchanger
Eutectic Stopper
Compressor
Gas/Liquid Separator
Heat Exchanger
Heat Exchanger
Heat Exchanger
Four-way Valve
Silencer
High Pressure Swicth
Heating
Cooling