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Central air unit how to set programable thermostat

My central air keeps shutting off at the same time dont know how to set thermostat

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

bobotfel
  • 236 Answers

SOURCE: 20 year old central a/c heater not working

Check your thermostat and mode selector setting, thermostat setting should be set at warmer and mode selector setting should be at low heat or hight this is applicable for manual unit.
If it is a remote control just set the remote to heat mode.

sample only
d8936d5.jpg

Posted on Jan 12, 2008

  • 57 Answers

SOURCE: Thermostat is not turning on

Check electrical breakers turn them off then back on. To reset them.
How long has it not worked?
Does the fan come on if you put the fan in the ON position on the t-stat.?
Is this a heat pump? If so does any lights show up on the t-stat if you put the t-stat in emergency heat?
Give me more information.
Help me out so I can help you.

Posted on May 20, 2008

  • 49 Answers

SOURCE: blower fan keeps shutting on/off,

Try putting your fan in the on not auto position and see if your outdoor condensing unit cycles on and off. If it does you might have a defective time delay relay to blower. If not your contactor might be stuck or your thermostat could be defective.

Posted on Jun 01, 2008

  • 57 Answers

SOURCE: I have a Amana air

This sounds like your condenser contactor, contacts are stuck. They weld together if an ant or other debree get between the contacts. Turn off the electric breaker to the outdoor unit as if the outdoor unit runs without the indoor unit running you may damage your outdoor unit compressor.
I would suggest you call a service company. The part should run retail @ 30 to 40 dollars then the service call charge. This repair should take less than 1/2 hour.

Posted on Oct 18, 2008

meBNme
  • 334 Answers

SOURCE: arcoair central heat /air conditioning unit

The blower motor kicks on when there has been a 24 volt control failure.

This usually means that a limit switch has tripped.

Most likely that would be a high temp limit switch or a rollout switch.

First, make sure the filters are clean. and the evap coil is clean. If eaither are dirty/clogged, it will partially block airflow, causing the furnace to overheat, causing the high temp limit to trip.

A rollout switch typically trips for three reasons.
1 flame rollout into the burner compartment due to poor airflow.
2 overheating af teh metal plate the rollout is mounted to, due to dirty, old, rusted components.
3 a bad limit switch.

If your unit has an LED light, count the flashes and it will hepl popint out the problem.
(locate the wiring diagram/flash code list, and correspond the flash count, with the code.)

First, check filters.

Posted on Jan 14, 2009

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1 Answer

Hello, we had central air conditioner installed last October. We turned our unit on for the first time and the outside unit shuts down but the air handler continues to blow air and never shuts down. ...


Hello, if the blower motor runs continuously and does not shut off at tne thermostat then the relay on tne integrated control board is bad. Only option is to replace the control board

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Hi, this thermostat is for central heat and air systems that have more then 1 stage of heating or cooling. For example, your unit may have 2 stages of cooling, as in 2 compressors, or 1 stage of cooling and 2 stages of heating as used in commercial heat pumps. This is a multi-stage heat pump thermostat. It may be just a matter of programming the stat. If you can find a manual on it, this would help. If you open the cover, it should have directions on how to program it.Make sure you have power to everything, check all breakers to see if they may be shut of, even if you have a display, doesn't mean you have high voltage to run the unit. Make sure fan is in auto, and on heat or cool, and temperature set for it to come on. Please keep me posted.
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My outside unit runs a little while then shuts off.


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If the thermostat you just installed has a time delay that will keep the indoor blower motor running for up to 5 min after the unit shuts off

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Central air


Most thermostats have a setting for the fan called, "manual". That keeps the fan on continuously. The electronic thermostats can fail in a "fan on" condition. That would require a new thermostat. I also saw one air conditioner with a fan relay welded "on" by electrical surge. That would require a new relay.

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Blower fan keeps shutting on/off,


Your blower fan turning on and off shows your thermostat is working. I am willing to bet you have the fan in the automatic condition. Check for a sticking contactor at the outside unit.

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1 Answer

20 year old central a/c heater not working


Check your thermostat and mode selector setting, thermostat setting should be set at warmer and mode selector setting should be at low heat or hight this is applicable for manual unit.
If it is a remote control just set the remote to heat mode.

sample only
d8936d5.jpg

Jan 02, 2008 | GE Quiet-Aire Ductless Split System Air...

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