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W Y RH G
4 Wire Heat/Cool
STEP 1 - Connect the W wire to the W terminal. This connects the heat.
STEP 2 - Connect the Y wire to the Y terminal. This connects the cooling compressor.
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 on the thermostat. This connects the fan.
STEP 5 - Set HVAC selection switches to NORMAL and:
If you have gas or oil heat, set the HEAT TYPE switch to GAS.
If you have electric heat, set the HEAT TYPE switch to ELEC.
Your HVAC system is now connected to the CT50.
Please Go To Page 6
W Y RH RC G
5 Wire Heat/Cool
STEP 1 - Connect the W wire to the W terminal. This connects the heat.
STEP 2 - Connect the Y wire to the Y terminal. This connects to the cooling compressor.
STEP 3 - Disconnect the jumper between RH and RC terminals.
STEP 4 - Connect the RH wire to the RH and the RC wire to the RC terminals. This connects power.
STEP 5 - Connect the G wire to the G terminal. This connects the fan.
STEP 6 - Set HVAC selection switches to NORMAL and:
If you have gas or oil heat, set the HEAT TYPE to GAS.
If you have electric heat, set the HEAT TYPE to ELEC.
Your HVAC system is now connected to the CT50.
Please Go To Page 6
REMOTE POWER
Thermostat
C H B O W
W Y Y
2
Terminals
REMOTE POWER
Thermostat
C H B O W
W Y Y
2
Terminals
14
PG
HVAC SYSTEM
C
W
Y
R G
RH RC G A
2
HVAC SYSTEM
C
W
Y
RH RC
G
RH RC G A
2
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