Question about Honeywell Programmable Thermostat Heater

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My heating/cooling blower (not the outside unit but the fan in the garage) does not turn off, even when my Honeywell TH8000 is set on automatic. What can I do to have the fan motor shut off?

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  • TSandell Jan 25, 2009

    I have the same problem and am looking for a solution. Does anyone know a tech support number for Honeywell? If so please send to pctinas@yahoo.com



    Thanks

  • Anonymous Feb 21, 2009

    Same problem. Just change my Termostat thinking it was defective. The blower will not shut off on auto.

  • knocknow Mar 01, 2009

    Inside blower fan runs all the time on heat, but cycles on cooling. The unit warmes up and shuts down but the blower stays runing. After a hour or so the unit goes back on and it warms the house and shuts off while the blower never shuts off.

  • Scott Magill May 11, 2010

    Is the fan in the on position on the thermostat? It sound like it is on instead of auto. What kind of heat system do you have? Is air hot or cold ? When you turn heat down does fan still run? You can disconnect green wire on back of thermostat. I this a new thermostat that was just installed if so wires are not connected wright. If not you might need new one. You could have a problem with heater to. Does heater turn on when thermostat is turned up and go off when it reaches desired temperature?

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Try hard wiring your 24 volt that goes to the outside unit to the yellow wire coming back from your thermostat make sure the yellow wire is on the yellow terminal on the thermostat (honeywell) i have run into situations when this seemed to be the only thing that worked

Posted on Aug 25, 2010

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HAVE A HONEYWELL THREMOSTAT TH8000 NEED WIRING HELP HEAT IS COOL COOL IS HEAT


Most of the time the white wire hooks to W and the yellow wire hooks to Y....... W= Heat Y= Cooling In any case if you are getting Heat when you set the thermostat to Cooling....... Turn the furnace off at the ssu or main breaker and then ... Pop the thermostat off of the subase and switch the wires that you have on Y with W and put the wire from Y to W.... Here is some more information on how a typical thermostat is wire in the pdf..... Hope this helps...

Here is a pdf for the installlation manual for a Pro 8000
http://www.hydro-temp.com/help/drawings/honeywell%2069-1894ES.pdf

May 05, 2011 | Honeywell Heating & Cooling

1 Answer

My honeywell Thermostat reaches the heating temp. but the fan will not stop running.And yes the fan is set to auto.It just keeps running and running and running.It stays the same temp but will not shut off...


I want to give a simple explanation before I go any further. On the heating side of a unit even though tthe temp has satisfied the thermostat, the fan will run until it cools down the plenum where the air flows from the air handler. There is a bimetal switch called a fan limit that operates the blower when the plenum reaches the temp set on the fan limit switch. Now if your fan keeps running even after the plenum chamber has cooled down, then you could have a fan limit switch that is stuck in the run position and must be replaced in order to correct the problem.

Dec 07, 2010 | Honeywell CT87B ROUND HEATING&COOLING...

1 Answer

Th8000 is blowing hot instead of cold


if you have a heat pump you must go to installer set up and change the reversing vave to energize in cooling

Aug 30, 2010 | Honeywell Electronic Programmable...

1 Answer

Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a...


Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a compressor issue rather than thermostat? Thanks

Jun 21, 2010 | Honeywell Electronic Programmable...

1 Answer

How do you wire a honeywell round mechanical thermostat


What are you trying to wire up?
Typical Thermostat Wiring for 4 or 5 wire Heat/Cool Thermostat (not heat pumps)
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
5 Wire Thermostat
With 2 transformers one for indoor unit
And one for outdoor unit
Rc = Red One Side of (outside) 24 volt (outside transformer)
G = Green Blower (outside transformer)
Y = Yellow Cool (outside transformer)
Rh = Blue One side of (inside) 24 volt (inside transformer)
W = White Heat (inside transformer)
COOLING ONLY Thermostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
HEATING ONLY
R or Rh One Side of 24 volt Transformer
W = White Heat

Feb 09, 2010 | Honeywell CT87B ROUND HEATING&COOLING...

1 Answer

I have an intertherm electric furnace FEH-A020, with multispeed blower installed when A/C added. My problem is blower operation. at the end of the cooling season with fan set to auto operation the fan ran...


The model of T-stat you gave comes up as a discontinued model on Honeywell's web site, but it looks to be a manual stat that type of stat would have to be wired with a summer winter switch with electric heat, allowing it to turn on the fan with a call for heat. If yours is a programmable T-stat you would need to select electric heat or in the installers set up change the default setting for fan from unit controls fan in heat to thermostat controls fan.

Oct 17, 2009 | Intertherm P3RA-048K Air Conditioner

2 Answers

Non-deletable schedule in VisionPRO TH8000


The thermostat has a function called "Adaptive Intelligent Recovery".

This feature allows the thermostat to learn how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the time you set. For example: Set the Wake time to 6 am, and the temperature to 70°. The heat will come on before 6 am, so the temperature is 70° by the time you wake at 6.

You can turn off this function. Download the installation guide at the next link:
http://customer.honeywell.com/honeywell/ProductInfo.aspx/TH8321U1006
and look for funcion number 0530 Adaptive Intelligent Recovery. In this manual you also find the way to do a reset with the function number 0710.

I hope this solves your problem.

Nov 19, 2008 | Honeywell Programmable Thermostat Heater

2 Answers

Our TH8000 Series Programmable Thermostat keeps flashing "change filter" even after we changed it. The guide book does not show how to re-set so the flashing stops.


try holding the filter button in for three seconds, if that doesn't reset the timer try the filter button and the temp. up button at the same time for three seconds.

Mar 30, 2008 | Honeywell Electronic Programmable...

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