PG
14
PG
14
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 CT80.
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 CT80.
Please Go To Page 6
R
C and
R
H
connected
R
C and
R
H
connected
POWER
HVAC SYSTEM
THERMOSTAT TERMINALS
W
R
C
C H B O W W2 W3 Y Y2 RH RC G A
DH
EX
HVAC SYSTEM
POWER
W
R
G
C
THERMOSTAT TERMINALS
C H B O W W2 W3 Y Y2 RH RC G A
DH
EX
