Question about Honeywell Programmable Thermostat Heater

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Ac unit continues to run for as long as up to 45 minutes after it reaches set point. why? thermostat functions properly periodicaly. thermostat is about 15 months old. was installed at same as new heat unit. i have installed new batteries. model number is th832 honeywell

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This can be caused by several issues (1) Configuration program, this is not the program that you the end user set up for time of day programing. Nor set point. but how the T-stat is set up to operate for your particular system, A dead band change my be necessary.in most programable T-stats the system must get temp 1 degree below set point before the system will shut down (2) A relay can be sticking in the condenser unit keeping the compressor on when there is not a call for cooling. for this a good working knoledge of electricity is a must although the t-stat opeates on 24 volts there is high voltage in close proxcimity of control relays ranging from 120 too 240 volts (3) dust on the temp sensor can also be an issue dust act as an insulator not allowing the sensor too sense the Temp properly. (4) or that T-stat can and possibly has failed Electronic T-stat are suseptable too power surges although this is not a frequent occurance it is possible. I would reccomend having your local HVAC contractor check into this. depending on you Mechanical skill

Posted on Sep 16, 2010

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My convertible freezer/refrigerator model FKCH17F7HWA now runs continually. What can be the problem? It is a Frigidaire.


Either the thermostat is not shutting down properly when unit has reached set temp or the control is stuck in "on" position.

A loss of refrigerant can also cause the issue since the unit never reaches set temps.

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Why is the AC still running after the set temp has been reached?


You may be hearing the fan run. Normally the fan will run 30-90 seconds after the unit has reached temperature to give you the air that you just paid to condition.
If it is actually the a/c running, that is because the thermostat internally reads in tenths of a degree. So when you set it to say 70 degrees, it is really set to 70.0 degrees. The thermostat will show 70 degrees when it reaches 70.5 degrees and continue to run all the way to 70.0 degrees
Welcome To the Best HVAC

Oct 10, 2014 | Heating & Cooling

1 Answer

Why can't I lower my honeywell 8500 below 67 on cool?


With a two story house you have to be aware that cold air flows downwards so any cold air coming from an ac unit will flow downstairs( normally down the stairway) so unless you can close off the down stairs then the up stairs unit will be cooling downstairs as well. Ac units have a thermostat located in the air intake and it cools until the cold air has risen to that point. In effect the space above the ac unit will be hotter than the floor. Knowing how they work ,you can see that the upstairs unit will never reach the set temperature because the cold air is continually heating from the house and will never get to the top thermostat.
So your solutions are
1-- fit controls that restrict the cold air from leaving the upper floor (Doors)
2--don't run the upper ac unit unless you are living up there (waste of money
)3 place an ac in each upper room and keep the room door closed

Aug 12, 2014 | Heating & Cooling

1 Answer

Why does a CCC2 thermostat continually kick on and off even though the set temperature has been reached?


Double check your batteries in both the outside and inside units changing the outside ones FIRST before you change to reset the inside batteries, IF you have two separate units. If this doesn't help, it could be the control switch/relay for your interior unit. Please go to your browsers information line and type in DOMETIC CORPORATION.COM AND SEARCH FOR YOUR SPECIFIC THERMOSTAT by entering your CCC2 Comfort Control Center 2 information. They should have a help section at this website.
I hope this helps. Check to see if its still under warranty.

Jul 07, 2014 | DOMETIC CORPORATION Dometic CCC2 Comfort...

1 Answer

Can i set it to a temperature that will allow it to turn on and off automatically


Any temperature you set it at, the AC unit will turn ON and OFF automatically. Once the set temperature has been reached and held for 5 minutes, the unit turns OFF, but the fan may continue to blow for a few minutes. When the room temperature rises above the set level, it will automatically turn ON again and continue to run, until the set temperature is reached and it turns OFF.

I really hope this has helped you and thanks for choosing FixYa.

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How do I set the heat at 75 with no fan mode. I don't want the fan to come on once the room reaches 75


Hi, there is no way that this can be done. The fan is controlled by several different parts for the furnace to run properly. If you are saying that the fan continues to run after it reaches its set point, this is normal if it only runs for about a minute and 1/2. This is to cool down the heat exchanger. If it continues to run all the time after reaching its 75 degree set-point, you have a fan relay that is sticking internally, or a high limit switch that has failed and depending on how old the unit is, it may be what is called a combination fan/limit control that has dirty or burned contacts which will keep the fan on. What I am trying to say, is when your unit reaches the temperature you want, the fan should only run a short time as the limit controls are there to shut it down from a setting on the fan control that is preset by the factory. If you can give me more information on your unit such as model, serial, name of unit, and if it is a gas fired central heat and air unit, or heat only, a heat-pump ect. would be of a big help to determine what controls you have on this unit that is keeping the fan on. Leave this info in the comment thread for my user name, and I will get back to you.
Sincerely,
Shastalaker7
A/C, Heating, & Commercial Refrigeration Contractor

Jan 12, 2011 | Heating & Cooling

1 Answer

The timer keeps readjusting while drying clothes, will say there is 45 minutes left and clothes are perfectly dry, this could be a fire hazard if left unattended.


you will need to clean the vent tube/internal duct work:

The thermostat tells the dryer to heat until the interior of the dryer reaches a pre-set temperature then the thermostat tells the timer to begin advancing. The timer advances until the interior cools, then the thermostat tells the timer to stop advancing, and tells the dryer to start heating again.

if the vent/duct work is clogged then the
dryer may never reach the proper operating temperature, so it doesn't send the signal to the timer and the dryer continues to run indefinitely, even if the clothes are completely dry.

I hope this helps here is a website on how to remove cabinet:

http://www.partselect.com/dryer+amana-open-cabinet+repair.htm

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1 Answer

Programmable thermostat intermittent problems...


Some tstats control humidity as well. Temp will over shoot set point in order to reach humidity s

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1 Answer

Dishwasher will not run through its cycle


Hi

If the cycle doesn't complete, check these:

Water-heating cycle Many dishwashers heat the wash and/or rinse water to a higher temperature, as the cycle calls for it. In these cycles, the dishwasher pauses after it has filled with water, waiting for the water to reach the pre-set temperature. What happens next, depends, as follows:

  • On some units, the pause is timed and the unit continues after the allotted time.

  • On others, the cycle can't continue until the water reaches the higher temperature. If you have this type of dishwasher and the water isn't being heated (say, because of a problem with the heating element or thermostat), after the unit stops at the heating cycle, it never continues. When you repair the heating-system problem, the "cycle problem" is fixed too.

Timer Timers don't often fail. But if every other part of the dishwasher seems to be working properly and the timer knob seems to be stuck in one place--doing one function continuously--the timer may be at fault. Dishwasher timers can't be repaired. If yours is defective, replace it.


Please revert for further assistance and Do rate the solution as "FixYa" if found useful.

Thanks
Rylee

Mar 26, 2009 | Dishwashers

1 Answer

Refrigerator won't get colder than 45 degrees/ Freezer side is working fine


the fridge thermostat is not a true thermostat it controls a damper door the freezer thermostat runs the compressor in order for your refrigerators to reach the proper temp the freezer should be about -8 to-10 set your freezer thermostat lower and see if it gets lower .at the mid point setting it should be about -8 not 6 you may have a problem with its thermostat or a leak in your system reply to me tomorrow and tell me if lowering the freezer thermostat help we want it about -8or-10 and the best way to check your refrigerator temp is put a glass of water in it and stick your thermometer in it and if need be you can e mail me at b4829@yahoo.com just referance your promblem

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