Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Household Thermostat Replacement

I purchased a Honeywell RTH2310 thermostat for my house. I removed my old thermostat without noting/labeling the wiring configuration, and have thrown out the old thermostat. I connected the wires (red, green, yellow, and white) to the new thermostat, but it will not work. I can get AC, but no heat. My AC/Heat is a Trane system. I contacted Honeywell...and they were useless.

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You have to configure the thermostat to run the fan when there is a call for heat. look at the installation instructions and they shoud ask you if it is gas or electric heat if its electric then you are gong to have to configure it to makr e the fan come on with the heat. Good luck

Posted on Jan 25, 2009

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Posted on Jan 02, 2017

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1 Answer

Installed the Honeywell RTH2300/RTH221 but the old thermostat was removed by someone else. Since the original wires were not labeled, I simply attached them to the new thermostat by following the letters...


This appears to be a thermostat installation that was made without regard to wire code. The Honeywell material I have suggests it may be necessary to check connections at the furnace end and work back to the thermostat. There may be compatibility problems between the number of wires in the old installation and terminal connections in the new thermostat. Honeywell may be able to help at 1-800-468-1502.

Oct 29, 2013 | Heating & Cooling

1 Answer

Operating manual honeywell rth2310


Honeywell has the manual for the RTH2310 programmable thermostat on the product page: http://yourhome.honeywell.com/home/Products/Thermostats/5-2-Day-Programmable/RTH2310B.htm . The direct link to the English/French version of the operating manual is http://customer.honeywell.com/techlit/pdf/PackedLit/69-2229EF.pdf .

I hope this helps.

Cindy Wells

Dec 13, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

Only have two wires on old thermostat,where do i hook them up on a rth2310 thermostat


More information would help but I believe that you are trying to hook up a programmable thermostat to your old heating system which is what? Oil forced air, heat pump, gas? Give me more info and I think that I can help you.

hardrocko

Feb 07, 2010 | Honeywell Electronic Programmable...

1 Answer

I just purchased a Honeywell RTH2310 and cant get it to work. I have a gas furnace that has two wire R and White. I tried connecting to Red-Rh and W for white, with and without the jumper for Rh and Rc....


red is 24volt power, white is load,I.E. relay,touch the red and wht wires together, the furnace should start, if it don't the problem is the heater, Rheat-Rcool you have a heat/ac thermostat, no ac forget Rc,try turning thermostat all the way up, dig up a multi-meter or powered light tester, touch Rh with one wire of tester,touch the other wire to different terminals until it lights,hook up your wires, you should have heat

Jan 31, 2010 | Honeywell Focus 6300B 5-2 Days...

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

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

Forced Hot Air Heating system doesn't maintain thermostat setting


It sounds like you may have issues with the furnace. A qualified professional can go over the system and the house to let you know if the system and unit are properly sized. The poor performance of a furnace can be a sign of carbon buildup in the furnace.
Good luck, hope this helps.
Matt

Jan 10, 2009 | Honeywell Focus 6300B 5-2 Days...

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