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Setting RAA 40 heating control - Heating & Cooling

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Please be more vague. I almost have some information from your question.

Posted on Jul 30, 2008

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I am new to a heat pump. The thermostat has an 'auto' setting and an 'on' setting. I am confused as to which one to use for heat. Can you help me?


n most heat pump thermostats you have two control switches and the temp setting. One control switch will say "Heat", "Off", "Cool" while the other says "On" and "Auto". The three position switch is for whether you are heating or cooling. The two position switch is for the fan control. "On" will make the fan run constantly whenever the three position switch is in HEAT or COOL mode. Some people use this to circulate air at all times. MOST people use the AUTO mode, where the fan is controlled by the circuitry and runs during the times of heating and cooling only.

Oct 16, 2015 | Heating & Cooling

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What is the on/off temperature (heat) range for a RTH111 series


Heat range: 40 to 90 degrees F
Cool range: 50 to 99 degrees F
1 degree deadband

Here's the operation guide:
https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-2603EF.pdf

Please mark my answer as helpful.

Jan 05, 2015 | Honeywell Digital Manual Heat/Cool...

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I have the Honeywell ct31 replacing my lux 500. I have no ac. when fan is on auto there is a 3-5 minute lag between it and heat in both starting and stopping the burner. is that planned or is somet


Why would you want to set the thermostat below 40? They do that so people won't freeze pipes keep in mind if it's 40 upstairsit's probably near freezing in your basement if applies. Did you label the wires from your old Tstat or take pictures? You can't always go off colors. If this is a heat pump you may need a pro or you'll end up causing damage that may get expensive vs trying to save and doing it yourself.

Nov 12, 2014 | Honeywell Ct31a Heating & Cooling House...

4 Answers

My gas furnace and heat pump runs at the same time???


its likely the outside control unit board its supposed to only kick on gas only when the temp is at freezing..
or
the inside thermostat is not selected for heat pump, open it an look at the jumper / switch.
or just replace the thermostat , then return it saying you couldnt figure it out. :P
there are a lot more variables here after that you cant know how to check.

Nov 05, 2014 | Honeywell VisionPRO 8000 Programmable...

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Bryant heat pump model 650a wi l l not maintain 72 deg. oat 41 deg. seems to run continuously trying to.


your auxillary heat should kick in. possible heat strip issue. heat pumps dont work well at 40 degrees. when you are trying to pick up heat from 40 degree ambient aIr.

Nov 11, 2013 | Bryant Heating & Cooling

1 Answer

Installed a new TAYSTAT250B outside ts and was needing to know where it should be set.It has a screw that you adjust.It has the 4 degree and the 2 degree mark on it. Thanks,G.White


It should be set to the Heat Pump's "Balance Point". The Balance Point is where the heat pump is generating (extracting) 1kW of heat for every 1kW of electricity. Typically, the Balance Point is in the lower 30's to the middle 20's depending on how efficient your system is. Just to mention, my SEEC 16 system is set to 25 deg.

Those markings, BTW, are 20 deg and 40 deg, not 2 and 4.

Nov 30, 2010 | Heating & Cooling

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My heat pump package unit compressor draws high amps and keeps going up until it blows the 40 amp fuse on heat only. and on cooling only works for a minute or two and shuts off and starts again but draws...


This could be many things, but check the following:

1. The reversing valve - make sure it works and is in the correct position for the selected operation (heating or cooling)

2. Turn off the power to the system. Megger the compressor - this takes special instrumentation, but if you don't have it, set an ohm meter to Ohms x 10,000 and check each lead to ground as well as phase to phase. Look for shorts or open windings. You will need to disconnect the compressor wiring

3. If the unit has auxiliary heat, make sure the elements or the controls for them aren't stuck on - this could be a control board problem.

4. Check the outdoor unit defrost cycle for stuck heating elements or a faulty control board/stat.

5. I'm not sure if this unit has hot gas defrost, but if it does, that should also be checked.

6. Check the compressor contactor and make sure the contacts are transferring the power to the compressor. Amp check each leg to determine this.

Dec 22, 2009 | Goodman CLJ30AR32 Air Conditioner

1 Answer

Will conditioner run same amps cold weather


Usually connected to a 30 amp & 40 amp double breaker, if it is a heat pump. 30 for cool, 40 for heat, to turn on 1 or 2 heat strips. heat strips are rated 2 5kw each.

Nov 12, 2009 | Carrier Heating & Cooling

1 Answer

New install. 40 seconds on. 20 seconds off.


Its normal that the air coming out is warm cause you set it to heat mode. Check your setting temperature, it is normal for the unit to shutdown when it will attain the setting temperature and operate when the temperature is lower than the setting temperature(heat mode).

Mar 05, 2008 | GE Quiet-Aire Ductless Split System Air...

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