Quick Start Guide
13
Power module requires your system to have the following wires:
4 wires: W/W1, Y/Y1, G, and R (or Rc or Rh)
or 3 wires: Y/Y1, G, and R (or Rc or Rh)
If you do not have these wires, your system may not be
compatible with the power module.
3-2-2 Install the thermostat without a
C-wire
(Optional)
RC
RH G
C
Y1 Y2
W1
W2 O/B
RC
G
Y1
W1
Power module