GE RAK180W1 Owner's Manual & Installation Instructions page 9

Wire Color
Black
Red
Yellow
White
Orange
Green
Purple
Brown
NOTE: If the PTAC unit has only one (1) fan speed,
connect both fan control wires – Green and Purple –
to the fan terminal (G).
49-5000416 Rev. 0
Thermostat Installation
Wiring Table – 24V AC
Terminal Letter
C
R
Y
W
O or B
GH
GL
AUX
Terminal Connection
Common
24V
Compressor
Heat
Reversing Valve
Fan High
Fan Low
Occupancy
9