wiring Hunter Digital Thermostat 44110 - http://www.hvacmechanic.com/ Forums
Original message
| patniche
 |  "wiring Hunter Digital Thermostat 44110"
, posted Sat 5 Jul 17:52  
I have a 15 year old house, with an original Trane heating/AC system. I hoped to connect a new Hunter 5+2 model 44110 digital thermostat, but have run across one problem.
The old Trane Thermostat has this information on it -
Model AY28X105
30Volts A.C. 1.5 AMP
with 5 wires, labelled G, Y, W, R, 2
The Hunter 44110 needs 4 or 5 wires (depending on whether you use the RC-RH jumper) and is a low-voltage system, compatible to 24 volt.
They are G, Y, W, RH, RC
My question is whether the Hunter will not work with the 30 Volt Trane wiring, and if it does, which Trane wires (labelled R and 2) are compatible with the Hunter (labelled RH and RC) wires?
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Replies:
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| theduke03
| "Re(1):wiring Hunter Digital Thermostat 44110" , posted Sat 5 Jul 18:40
I can tell you that:
W=W
Y=Y
G=G and
R=Rh and Rc with a jumper.
I've got no clue what the 2 is. check what it connects to at indoor unit. If it's a B or C you can tape it off(unused). I could be mistaken about 2 but the others are correct.
"My dad was the most feared furnace fighter in Northern Indiana."
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