Trane GAF2A0A36S31EE Installer's Manual page 11

6.2 Three-Way Conversion
To place the unit in the configuration your application requires (upflow, horizontal right, or horizontal left), simply turn
the unit to that orientation.
Note: The air handlers are shipped from the factory suitable for three-way application.
Note: Entry for low voltage connections is allowed on either side of cabinet.
Refrigerant
Connections
Low Voltage
Connections
inside unit
Upflow
Condensate
Drains
Upflow Configuration
11