Question about Honeywell Programmable Thermostat Heater

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I left the red jumper wire connected

My unit was not working. I went back over the installation instructions. I did the two wire connection and realized that I did not remove the red jumper wire between the Rc and Rh terminals. It has been two days since I realized this. Will it have caused a short i the unit?

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Check the thermal fuse or switch. and replace it with the value., check the felament or the the main heating part. maybe its already shorted/ burn.

Posted on Dec 10, 2008

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I installed the RTH 230B thermostat, Theheat only works when set to the cool mode, I only have gas furnace(no ac unit). My old wires are Red, white, green and blue. What wires go where?


Hey jim Try....RH/RC jumper (connected with a small piece of wire)...RH/RC=RED...W=WHITE...G=GREEN blue=unused... should give heat only (in heat mode) no ac..tks

Nov 12, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

Removed my non programable Honeywell RT 5220D replaced it with a Honeywell RTH6350D to run my Goodman Heat Pump. First I labeled the wires then connected wires as follows: AUX, G, C, O/B (orange wire)...


Leave the factory jumper between R & RC. Connect the wires to the new stat just as you have them labeled. Use a piece of thermostat wire to make a jumper from AUX to E terminals. Your new thermostat should give you instructions on how to access the installer set up. You are going to set it up as heat pump with aux. I see this is 2 days old but if you need any help let me know.

Feb 13, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

RTH2310, want to install on at two wire system, i understand R to red W to white but this thermostat has a wire connecting the Rh and Rc. and cannot move the screws how do i install my R wire


Hello LEAVE the jumper wire in and connect the RED to either RH or RC with the jumper.You need the screw to loosen to secure the wire.If its impossible maybe solder the wire on to make it reliable.W=WHITE

Dec 28, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

Yes im putting in a honeywell cool 2665 thermostat that my brother give me with no guide. I have R,Y G, and W wires comming in the wall. the unit has a jumper on Y and W on the left bank and a jumper from...


Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.

Aug 16, 2010 | Honeywell Programmable Thermostat Heater

2 Answers

I am installing honywell thermostat rth111/rth221 old thermostat only has two wires red and yellow new thermostat has terminals marked Y,G,Rh and Rc with jumper,W. where do I connect red wire and also the...


The red does go to RC, but the yellow should go to the W terminal, in HVAC W=heat Y=Cool, so aslong as the same wire is on RC on the t-stat, and RC on the unit, and same wire to the W on the t-stat as to W on the unit it should work!

Jan 31, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

No heat coming from central heat/cooling system after install


Hi,
Yes add the jumper from the Rc to the Rh terminals. the Rh feeds to the W and that is what turns your heat on!!
Also leave the HG wire exposed you are running elelctric heat so you want the cycle rate to be for electric heat "HE"
And no You do not need the "C" wire with that t-stat, just make sure that it cannot touch any of the other wires or you will burn out your transformer in the heating unit.

I hope that this will help you to solve your problem!

Thanks for using Fixya!!

Heatman101

Nov 25, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Bought 44155c hunter thermostat air won't turn on.


If unit worked before you tryed changing t-stat then its possible the t-stat wires are shorting each other out.take t-stat back off cut back wires a good 6 to 10 inches or if you dont have that much wire to play with just cut back as far as you can and make sure there is no bare wire touching each other ,then just to test unit to make sure its working ok twist yell.,red,green together this should bring both units on and should blow cold.if this works up to this point on the new stat read directions closely there might be a jumper wire in the stat that needs connected usually from y1 to w1 you would install a jumper wire .see if this helps if not write back i have 1 other solution.i hope this helps

Sep 14, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Honeywell RTH 230B Thermostat Wiring


put the jumper back in RC and RH and that should do it.

Aug 26, 2008 | Honeywell Programmable Thermostat Heater

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