Question about Honeywell Programmable Thermostat Heater

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Installation manual (pg. 6-7)states - "Remove Jumper if you have both R and RC wires" I only have the 'red'. But with the jumper in the way I can't get the red wire into the 4th terminal. So should I remove the jumper or not?javascript:;

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No keep the jumper, you should be able to get the red wire in under the little peice of mettal that the jumper is under but just on the other side of the screw, The red wire can go on either the Rh or the Rc terminal along with the jumper. If all else fails just put a wire under Rh and another wire under Rc and then wire nut the red Rh and Rc wires all together.

Posted on Nov 15, 2009

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I have 4 wires green blue red and white my red is connected to the rh rc with jumper green connect to g blue to y1 and white is connected to w1 my new thermostat has no rc rh or a jumper


Paulette, if your new thermostat has no Rc and Rh thats fine. The Red wire should simply go to the R terminal. The Rc and Rh terminals on the old one was for the old 'two transformer' systems. The vast majority of systems now have no need for the Rc Rh terminal and jumper. The rest of your wires connect as on the old stat also.

Jul 31, 2015 | Heating & Cooling

1 Answer

Wiring honeywell th8320u1008


Be sure you are looking at the letters set up for heat pump. Orange should be "O". Remove jumper between w2 and e. Then be sure you have the settings correct in the tstat for a heat pump with back up heat. Good Luck!!

Mar 28, 2017 | Heating & Cooling

1 Answer

My wife disconnected all the wires to the thermostat, I do not know what goes to what. Reading the installation docs I get it that white is to white yellow is to yellow green is to green. But for the...


The Red wire goes to the RC-R with the jumper as you are using a one transformer unit. The C is for common and is usually blue in blue in the units I install.

The colors stand letters stand for
W - Heat
Y - AC (outside unit)
G - Fan

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Justin

Mar 13, 2011 | Honeywell Heating & Cooling

1 Answer

Honeywell RTH230B cooling problems...


I printed out the instructions for your thermostat. It looks like you should have the following.

There should be jumper wire between Rh & Rc

Red wire to Rh or Rc whichever is easier since there is a jumper. This is the hot wire and all the thermostat does is connect to route it to the components needed for heating or cooling.

Blue wire, tape it up and don't use it. There is no spot on this thermostat for it. It is only used on thermostats that are powered by the transformer.

White wire to W. Powers the heat relay

Yellow wire to Y. Powers the cooling contactor

Green wire to G. Powers the indoor fan relay

There is a black jumper on the back of the face plate. Look at section 2.4 Setting J2 Jumper in the installation instructions. Make sure you have it in the right position for what you have. If you don't have them just google them.

Hope this helps.

May 24, 2010 | Honeywell Electronic Programmable...

2 Answers

I bought a Honeywell programmable thermostat RTH2310 to replace my 10 year old Honeywell thermostat. My old thermostat is a 4 wire system but also has a jumper from Y to 1. New system does not tell me what...


It depends on the type of thermostat you have.
Do you have a 4 wire or 5 wire T'stat?
The red jumper wire was for a 5 wire t'stat with 1 transformer, the red jumper actually should have been from R to 1.
So you need to trace the wires back to the furnace and make sure they go to the locations identified below.
if you have a 4 wire t'stat then you don't need that jumper, if you have a 5 wire t'stat then you do need that jumper but it should go from Rh to Rc.
4 Wire Termostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
W = White Heat
5 Wire Thermostat
with one transformer for both units
Rc One Side of 24 volt Transformer
Rh Jumper Rc to Rh
G = Green Blower
Y = Yellow Cool
W = White Heat
t'stat?

Nov 14, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Need help with wiring thermostat


first do you have a heat pump unit or standard a/c? standard a/c connections at the thermostat go like this red wire to rh-rc which is the 24v power and you don't have to remove the jumper.white goes to w which is the heating wire yellow goes to y which is the cooling wire green goes to g which is the fan wire and blue goes to c which is the common wire. so if your stat has rc- rh ywgc you should be set if the wires on the furnace correspond with the same alpha designation.orange may be used if u have a heat pump unit otherwise it may just be a spare you cap off and leave behind the subplate.

May 31, 2009 | Honeywell Heating & Cooling

1 Answer

I left the red jumper wire connected


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.

Dec 10, 2008 | 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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