Question about Honeywell Programmable Thermostat Heater

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I'm replacing a General Controls T-70 which is connected with a Red wire and a Black wire. I'm replacing it control with a Honeywell RTH2310. Red wire to ?? Black wire to ??? Which 2310 block will receive these wire effectively?

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For just 2 wires red and white control heat.hook red to red and black to white or common

Posted on Jan 01, 2011

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I have a Goodman central HVAC system (forced gas air and AC). I replaced the old CHT18-60 thermostat with a Honeywell RTH2310. Now the heat and fan stays on constantly (regardless if in the programed mode...


I checked the model #'s and they should interchange just fine. Double check your wiring. On the thermostat Red to Rc (which should also be jumped to Rh), White to W, Green to G, and Yellow to Y. Move T-stat controls from current position to oposite end and back to what you want to run ie. A/C if thats what you want. Move fan control to on and back to auto. (I find this eliminates some close but not quite right settings). This should work. If not look in furnace to verify how it is wired. Any colors that do not match the above will be your corrective action to do at the thermostat. if necessary change t-stat wires at t-stat to match what is in the furnace.

Dec 28, 2010 | Honeywell Focus 6300B 5-2 Days...

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I replaced my old mercury thermostat with a honeywell rth2310 and now the compressor doesn't seem to run.


recheck wires on t stat. white wire to W .yellow wire to Y.green wire to G .red wire to R .or r/c if their is a red jumper wire leave it connected ..good luck

Aug 23, 2010 | Heating & Cooling

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Wiring problem?


Hi,
Yes to everything!!
You have it figured out!!
Just make SURE that the blue unused wire cannot touch any of the other wires, it will wreck your transformer in a split second.!

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

Thanks for using Fixya!!

Heatman101

Nov 25, 2009 | Honeywell Programmable Thermostat Heater

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

My husband just installed the Honeywell RTH2310 thermostat. The fan turns on, but the furnace does not. What's our next step? (It's a natural gas furnace and he made sure that it is on correct h/e setting....


need to make sure there is a jumper between RC and RH if the red wire is connected to the RC terminal the heat wont work you will need a jumper wire to tie the RC and RC together with the red wire.

Oct 20, 2009 | Honeywell Focus 6300B 5-2 Days...

2 Answers

Wiring new RTH2310 DIY Honeywell


sounds like you've got bear wires touching at the new tstat

Sep 18, 2009 | Honeywell Focus 6300B 5-2 Days...

1 Answer

Honeywell RTH2310 heating while it's supposed to be cooling


ok to start with if you have a heat pump and not ac over electric heat depending on type but most will be wired as
red to r jumped to rc y to yellow this turns on compressor g to green this turns on fan w to white or brown for electric heat strip or em heat o to orange reversing valve energised in cooling switches from heat to cool or orange to b energised in heating c blue for common
you will have to look at your indoor unit and out door unit to verify what collors the contractor used when they wired it up hope this helps

May 31, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Thermostat wiring


L is for a common wire if t-stat does not use batteries then this wire will have to be connected

Jan 13, 2009 | Honeywell Focus 6300B 5-2 Days...

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