Question about Honeywell Heating & Cooling

1 Answer

I just got a new honeywell thermostat and it when i first hooked it up it wouldnt turn on so i check to find out which connections on the thermostat when open i changed my wire to make it correct now when it turns on it doesnt turn off. i only have 2 wire that were on the old thermostat and the new one shows spots for 3 wire do i need to run a 3rd wire to get the furnace to shut off after it reaches desired temp? right now i have to disconnect the thermostatto shut it off.?

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 767 Answers

Hello my name is Heath it will be my pleasure to assit you. If you did not turn the power off to the furnace before rerplacing the thermostat then you may have burned out the board in the furnace. But first if there is a RH/Rc terminal in the new thermostat then try removing the jumper between the two and see if the thermostat will operate properly.

Posted on Oct 08, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get to try the service completely Free afterwhich it costs $6 per call and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

My Honeywell smartvalve stop opening the gas valve, inducer motor started, glow and pilot happen, just no fire...I replaced said smartvalve and upon installation, the inducer motor wouldnt run, no glow or...


Smartvalves are tricky and a certain sequence must happen. Without going into this in depth, try this:
Install new smartvalve
Set thermostat to the off position
Kill the power to the unit
Restore power to the unit
Turn the heat on with the thermostat
In this order!

Aug 29, 2017 | Honeywell Heating & Cooling

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

Hi! We have a really old williamson thermostat (not sure about the model but it says t87fi89i 2 8047 [dont know if it's i or 1 either]). We want to replace it with a honeywell t87n east-to-see thermostat....


On most applications for heating the red and white wires are used,however I would check what wires are connected to terminals on old thermostat. These connectons should be labled with initial of wire color,such as R,W,G,Y or Rc. If your green wire is hooked to R or whatever just hook new thermostat up like the old one and you should be ok. Hope this helps. Thanks.

Nov 12, 2010 | Honeywell Electronic Programmable...

1 Answer

I tried to insatll my new honeywell programmable. the old t-stat had a white and red wire connected allread. there were 3 other wires unused, G,W,R. I hook up the original R,W wires to the new t-stat and...


The red and white wires go to the R and W terminals on the thermostat. Disconnect what you have now and hook the red wire to the R terminal and the white wire to the W terminal on the new thermostat and see what happens.

Jan 09, 2010 | 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

Updating old honeywell thermostat with a new honeywell thermostat


check in the unit heater to see what is hooked up most only need to have red from transformer white to call for heat and green to make the fan run in man and somtimes common usually blue or black

May 09, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Turns on and Turns off


Does the furnace burners light? You could have a bad thermostat or a flame sensor. To check if it is thermostat turn power off to furnace take thermostat off wall take wires marked r & w and connect them together then turn power back on. If furnace comes on and stays on then you need a new themostat if not it is the flame sensor inside furnace. Also check furnace filter

Jan 13, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

I have a Honeywell T8000C1002 thermostat I got from my inlaws and it doesn't have the owners manual. I'm trying to hook it up to where an old rocker murcery honeywell was at and can't figure out how to...


Your red wire from the old R terminal goes to both the R and Rc terminal on the new stat. Other wires from old stat move to same terminal on new stat. You will not have any connections to the B or O terminal. Sounds like you probably already have it hooked up right though. This thermostat is what we call a power-stealing thermostat. It "steals" is power by running a trickle current to the transformer from the R terminal back through the W terminal. This meathod requires a standard resistive type thermal relay for the heating system. If you have an electronic type circuit board, many times they do not provide the proper type of connection for the thermostat to "steal" the necessary amount of power to run on. This is solved by installing a resistor from W to C in the furnace. If you have a standard electric furnace with thermal relays, then the problem is most likly the thermostat

Jun 22, 2008 | Honeywell Heating & Cooling

Not finding what you are looking for?
Heating & Cooling Logo

Related Topics:

69 people viewed this question

Ask a Question

Usually answered in minutes!

Top Honeywell Heating & Cooling Experts

Bill Long

Level 3 Expert

587 Answers

Paul Carew

Level 3 Expert

2550 Answers

Brandon Berry
Brandon Berry

Level 2 Expert

407 Answers

Are you a Honeywell Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...