Replacing Duo therm thermostat, need help.
I want to replace my analog thermostat with a Hunter model 42999 digital thermostat but the wiring colors are different. My Duo therm has, red, yellow, white, blue, orange, green. The hunter has termi...
Forum Discussion
Duotherm
RED .......(NOT USED TAPE IT OFF)
YELLOW ....A/C Compressor
WHITE .....Furnace
*ORANGE ,,,,A/C Fan Low
*BLUE ,,,,,,A/C Fan High
GREEN .....Ground
Hunter
RC/RH .....Green
Y .........Yellow
W .........White
*G ........Orange/Blue
*G ------this is where you have to decide whether to install a 'mini switch' in thermostat cover so that you can wire BOTH fan speed controls
OR just wire one.
I only use HIGH speed therefore I only used the BLUE wire to 'G' terminal and taped off Orange wire
NOTE: May need to wire orange/blue together to get HIGH Speed.
Memory lapse!
RED .......(NOT USED TAPE IT OFF)
YELLOW ....A/C Compressor
WHITE .....Furnace
*ORANGE ,,,,A/C Fan Low
*BLUE ,,,,,,A/C Fan High
GREEN .....Ground
Hunter
RC/RH .....Green
Y .........Yellow
W .........White
*G ........Orange/Blue
*G ------this is where you have to decide whether to install a 'mini switch' in thermostat cover so that you can wire BOTH fan speed controls
OR just wire one.
I only use HIGH speed therefore I only used the BLUE wire to 'G' terminal and taped off Orange wire
NOTE: May need to wire orange/blue together to get HIGH Speed.
Memory lapse!
