Instructions / Assembly

PG 15

Multi-stage Heat and Multi-stage Cool

The CT32 can handle up to 2 stages of HEAT and 2 stages of COOL.

STEP 1 - Connect the W, W2 wires to the W terminals.

This connects the stages of HEAT.

STEP 2 - Connect the Y and Y2 wires to the Y terminals.

This connects the stages of COOL.

STEP 3 - Connect the RH or R wire to the RH terminal.

This connects the power.

STEP 4 - Connect the G wire to the G terminal.

This connects the fan.

STEP 5 - Connect the C wire to the C terminal.

Your HVAC system is now connected to the CT32.

Please Go To Page 6

5 Wire Heat Pump (heat/cool) without Auxiliary Heat

STEP 1 - Connect O wire to the O terminal or B wire to the B. This connects the change-over valve.

If you have both O and B - connect only the O wire to the O terminal and DO NOT connect

B to B terminal (see wire reference under Trane for B wire terminal).

STEP 2 - Connect the Y wire to Y terminal. This connects the compressor.

STEP 3 - Connect the R wire to RH. This connects the power.

STEP 4 - Connect the G wire to the G. This connects the fan.

STEP 5 - Connect the C wire to the C terminal.

Your HVAC system is now connected to the CT32.

Please Go To Page 6

HVAC SYSTEM

THERMOSTAT TERMINALS

C B O W W2 Y Y2 RH RC G A

POWER

Y Y

HVAC SYSTEM

THERMOSTAT TERMINALS

C B O W W2 Y Y2 RH RC G A

POWER

Y GR