Question about Honeywell Programmable Thermostat Heater

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Trying to connect kenmore heat pump thermostat to honeywell therm

Need help with the wiring. We can get the fan and heat working but not the air.

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Reversing valve orange wire goes to o or b terminal depending if energized in heating or cooling

Posted on May 11, 2009

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Tried to replace my carrier thermostat with a Honeywell and screwed up the wiring sequence. Now trying to rehook the old carrier and can't get it to work. Help!!


Here is the normal way of wiring a thermostat:

Y=yellow (cooling)
G=green (fan)
R=hot (red)
W=white (heat)
C=blue or black (common) only on some thermostats

If you have a heat pump: o=orange (reversing valve)

Some thermostats have "rc" and "rh". These terminals must be jumpered together or the thermostat will not work. Hope this helps you.

Jun 02, 2011 | Heating & Cooling

2 Answers

Trying to hook up Honeywell RTH6350 thermostat. When turned on cool out air blows out. We only have a green, red, yellow and white wire from the old unit. Are we missing some wires? we have a heat pump.


Your Thermostat should wire as Red to Rc/Rh (if Rc/Rh are not connected you need to put a jumper between them; White to W; Green to G; and Yellow to Y on your thermostat. These will be the only wire connections that you need to connect from the unit to the thermostat. However, if your thermostat is not battery operated and is programmable then you will have to run on wire form the transformer in the units C to the Bl on your thermostat.

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Justin

Apr 02, 2011 | Heating & Cooling

1 Answer

Just replaced my digital therm, does the blue wire that was in C for the old therm go into "O", or "B" now? New therm is a Braeburn. Also do I have to reset something at the furnace?


Should go to C terminal. B and O are only used if you have a heat pump system. If you have a voltage tester you should have 24 volts between the wire connected to R and the blue wire (common)

Jan 23, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

Wiring heat only thermostat to inter therm central electric furnace had to replace fuze block, limiter, and sequencer thermostat only has one red wire and one white wire


I am trying to install a Honeywell VisionPro 8000 thermostat for my Intertherm Central Electric Furnace but I am having trouble getting to work any suggestions?

Oct 06, 2010 | Heating & Cooling

1 Answer

Replaced Bryant T-stat model TSTATBBNB001 with Honeywell t-stat


Your original wiring configuration seems to indicate that you have an air conditioner (not heat pump) and either a gas or electric furnace. If this is the case you may need a different thermostat for your application.

Apr 21, 2010 | Honeywell Heat/Cool Thermostat

1 Answer

I have an old mobile home that has and old duo therm thermostat that is acting up. keeps cycling off for quite awhile and on for not so long. I purchased a honeywell ct-31-a. It only has places for 4...


If you want just heat, connect the red wire to the R terminal, the White wire to the W terminal and the green wire to the G terminal. Confirm that these same wires go to the same terminals on the control in your furnace. If you want both heat and air conditioning, connect a jumper from R to R2. Keep the wires the same as I described and put the yellow wire on the Y terminal.

Feb 01, 2010 | Honeywell Heating & Cooling

1 Answer

Honeywell Thermostat


Make sure G from indoor unit goes to G on thermostat for fan continous fan, if that doesn't work and you have 24 volts to R and C then the t'stat is bad.
For 2nd stage heat or aux.heat, on the indoor unit you need to make sure the wire W2 from the indoor unit goes to W2 on t'stat.
You don't need any wires from W1on the indoor unit to W1 at the t'stat because with a York heat pump Y1 is the contactor which turns the compressor on and you will get 1st stage heat, and for cooling the t'stat will also bring on O which is the (reversing valve) or cooling changeover relay for the cooling mode.
C = common usually black wire
R = hot usually red wire
Y or Y1 = contactor
W1 = 1st stage heat not needed for heat pump
W2 = Aux. heat indoor heat
G = fan
O = Cooling changeover relay
B = Heating changeover relay
L = System monitor
E = Emergency heat relay

Dec 23, 2008 | Honeywell Electronic Programmable...

1 Answer

Ruud air to air heatpump intertherm propane furnace honeywell th5220d non programable thermostate.fan on furnace will not turn off in aux.mode even though the furnace heat kicks on and off. thank you for...


Make sure fan relay is wired correctly (G) wire. Ensure the fan on therm is not on, it should be on Auto or off.

If your furnace is short cycling because it has to keep heating your home, the delay in the control board may be staying on to compensate for the exchangers getting hot. If it heats normally, then put your attention to your thermostat.

Set the heating system on aux heat only. Fan should not be on, if it does stay on after a heating cycle, see if the furnace is heating normally, and reaching temp as desired before the heat comes off. Then check the therm wiring, pull the face of the therm, disconnect green wire (fan) and try the heating again.

Dec 06, 2008 | Intertherm Heating & Cooling

4 Answers

Duo-Therm by Dometic Thermostat


red and white are positive and neg 12v
green is low fan
grey is high fan
yellow is cooling
blue is neg 12v(marked B-)

May 17, 2008 | Dometic Rooftop RV Air Conditioner

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