Question about Hunter Fan Company 5/1/1 Programmable Thermostat
I replaced a Honeywell CT3611 on a heat pump system. The AC works fine but the heat does not activate. The system setting is on heat pump. The controll wiring is a 6 wire system.
I had the same set and problem. I had a RC wire which is the power to the AC. But didn't have an RH wire which is the power for the heat. To fix this just use the jumper wire and insert it in with the RC wire and hook it up to the RH. Fixed my problem.
Posted on Oct 16, 2009
The board is showing that the heat is running. But it has not come on. I made sure that the overide is not set on the permanent overide mode
Posted on Nov 02, 2008
Replaced an Inter therm Thermostat Model # 65a-473-765b, with a Hunter Model 44860. The Fan works on everything but the heater. Heater comes on and runs for about 2 minutes but no fan, I manually turn on fan. I have tried to put it on auto and the Fan clicks off. Everything else works fine. Hooked up Red (with jumper RH/RC) ,White,Yellow and Green wires. I have 4 more wires that were not attached to old thermostat, Blue Orange Brown and Black. What do you suggest for my next move on getting heater to come on? Thanks Mike
Posted on Nov 16, 2008
We had the same problem with a Rheem and a Honeywell thermostat and changed to the Hunter 44860. X is C and had to use the little jumper as in a single stage to get it to work. Made sure our span degree is 2, no less and fan set to auto.
Now here is the kicker...our white loops and goes to the emergency heat terminal as in the old thermostat. Is this coming on too?
Our heat bill jumped, but I am not sure if it had to do with the thermostat or whether is was because we had some unusually cold weather here in the south.
Currently, all is working as far as we can tell...on/off when supposed to. If we get another high bill, I will call the HVAC guy to review our wiring....never can tell if the old thermostat was right to begin with!
Posted on Dec 16, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
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"PLACE A JUMPER (PIECE OF WIRE) BETWEEN Y AND W IF YOU ARE USING A HEAT PUMP WITHOUT AUXILIARY/BACKUP HEAT." if this dosnt work check the fuse in the air handler you may have blown it if you did not turn the unit off before installing.
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