Instructions / Assembly

PG 16

Multi-stage Heat Pump with Multi-stage Aux Heat

The CT32 can handle up to 2 stages of Pump compression and 2 stages of AUX 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 AUX 1, AUX 2, to the AUX 1 and 2 respectively.

This connects the auxiliary heat.

STEP 3 - Connect the Y and Y2 wires to the Y terminals.

This connects the compressor.

STEP 4 - Connect the R wire to RH terminal. This connects the power.

STEP 5 - Connect the G wire to G terminal. This connects the fan.

STEP 6 - 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

GRY Y

AUX1 AUX2