PG
12
PG
13
Step-by-step wiring diagrams
WIRES
3 Wire Heat GAS MILLIVOLT or 24VAC system
STEP 1 - Connect the R (or RH) wire to the RH terminal. This
connects the heat power.
STEP 2 - Connect the W wire to the W terminal.
This connects the heat.
STEP 3 - Connect the C wire to the C terminal.
Your heater is now connected to the CT101.
Please Go To Page 6
WIRES
4 Wire Heat
STEP 1 - Connect the R (or RH) wire to the RH terminal. This connects the heat power.
STEP 2 - Connect the W wire to the W terminal. This connects the heat.
STEP 3 - Connect the G wire to the G terminal on the thermostat. This
connects the fan.
STEP 4 - Connect the C wire to the C terminal.
Your system is now connected to the CT101.
Please Go To Page 6
C B O W W
2
Y Y
2
R
H
RC G A
POWE
R
HVAC SYSTEM
THERMOSTAT
W
R
C
HVAC SYSTEM
THERMOSTAT
C B O W W
2
Y Y
2
R
H
RC G A
POWE
R
W
R
G
C
