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Heat pump question Is it normal for condenser fan to not run sometimes?

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Yes, this is normal. The fan is used to cool the compressor, has a temp sensor that turns it on as needed.

Posted on Dec 20, 2016

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Posted on Jan 02, 2017

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Should the condensor fan come on in heat mode?


It depends on the type of heat. If your air conditioner is a heat pump where it runs in reverse (takes heat from the outside air and pumps it into the house), the condenser fan will run. If heat is auxiliary electric coils, only the inside fan should run.

Nov 01, 2014 | Heating & Cooling

1 Answer

Condenser fan on heat pump does not turn off


If it is just the condenser fan that means you have a fan relay that has welded shut. Turn power off to your unit and trace the wires from your condenser fan back into the control panel at the unit. You'll have 3 wires going to it. 2 go to the run capacitor and one goes to the fan relay. The one that goes to the fan relay is the part that needs to be replaced. If you have no fan relay and it goes to the main contractor, half of your main contractor is welded shut and will need to be replaced.

Sep 18, 2014 | Carrier 52PQ-515---3 Premier Series Heat...

1 Answer

The difference between the heat pump and condenser


Well...they are kinda the same. The condenser is where the refrigerant is condensed from a gas to a liquid. When in AC mode this happens outside at the AC unit. (You ever put your hand over a running AC unit in the summer? Feels warm!). When in Heat Pump mode the process is reversed. Instead of condensing the gas to liquid outside (which creates heat) the condensing happens inside and helps warm the building up (with the help of the fan of course). So essential the condenser is where the gas is condensed into a liquid, which creates heat. A heat pump can reverse the direction of the flow and cause this condensing to happen either outside or inside.
This is a very watered down version of what happens but I hope this is sufficient for what you are asking.

Jun 29, 2014 | Goodman Heating & Cooling

1 Answer

Heat pump condenser fan starts then stops in cold weather


does it heat ok? this is normal in cold temp as fam is not needed in cold temps. try it on warmer day and it will probably run. dont think you have a problem

Jan 30, 2014 | Heating & Cooling

1 Answer

Compressor relay switch


What temperature is this heat pump being run at? If it is low ambient temp outside this may be running in what is called defrost mode to where the compressor will run without a call for heat. This seems normal to me as long as the setpoint temperature is being reached.

Dec 25, 2013 | Honeywell Heating & Cooling

1 Answer

I have a heat pump and a new condenser Payne made by Carrier was installed 7/12. My problem is I live in east coast and I notice that the condenser is on but the fan doesnt turn on in synch with condenser....


Your system likely has a thermal sensor in which the fan kicks on on a as needed basis. Normally this will happen during the heating cycle. Are you heating or cooling?

Jul 08, 2017 | Heating & Cooling

1 Answer

My goodman cental air system is having problems. First, the blower inside (furnace) keeps running for hrs after the outside condensor shuts down. Now, the condenser blower motor wont operate at full speed....


the cause of your indoor fan running all the time or for long time after your heat pump has stopped heating is the fan delay relay. It has welded its internal contacts together. If you take off the side below the control panel, the fan delay relay is normally mounted on the header where the fan discharges. Good news, the fan delay relay are fairly inexpensive and easily to change.

As far as the condensing fan motor not running at full speed, when it was changed, did the technician install the correct fan motor. Most condensing fan motors are either 875 rpm or 1175 rpm. They are exactly the same size and if the technician did not look closely he could have installed the wrong rpm motor. There is another possibility, he may have used the wrong capacitor. I have seen the condensing fan actually operate backwards at a lower than normal rpm. The fan if properly installed will discharge air upwards.

Jul 17, 2012 | Goodman CLQ36AR49 Air Conditioner

1 Answer

I have two outside ac one for floor and other for upstairs and i button on heater auto and ac outside fan is running is that normal or not? and live on this new house for two years and cant find someone...


No the fan out side is for a condensing unit and compressor. The compressor should not run with the heat. I am almost positive that if this is not a heat pump that the compressor unit should not be running.

Dec 20, 2010 | Goodman GMS90703BXA Heater

2 Answers

When the unit is in heat mode is the fan on the outside supose to run? Capacitor on outside and inside have been replace fan was running when capacitor was first replaced.


Hi, and the outdoor condenser fan should not be on at all in the heat mode unless this is a heat-pump!! So, I can see that this is a 3-ton Carrier split system and I haven't pulled up any information on it, only if I need to. But if the indoor unit runs on natural gas/propane, this would not be a heat-pump and the outdoor fan would run only in the cooling cycle. So, if it is not gas fired it is a heat-pump, and yes the outdoor unit should be up and running all year around. On a heat-pump you will have what is called a reversing valve in the refrigerant system that directs the flow of freon in the right direction for the season you are in. Most all heat-pumps will have a heat strip package installed in unit for emergency and aux. heat if compressor lets say fails. You're thermostat will have on it a selector switch, you will see on it these labels, Aux., emergency heat, auto/on/off/heat/cool. You will know from what I have just went through with you what you have. Forgive me for such a long explanation as I like my customers to understand more about there units in question. I could have just said yes or no and thanks? Doesn't work like that for me. I hope this has helped you out. One thing, If you determine this is a heat-pump and the fan is not on when in heat, you may have lost this condenser fan motor? You say both run caps. were replaced, and normally when you loose a run cap for a motor they will open internally, leak, buldge ect. So if this is taking place, if you can yourself take a look at the run cap. Also, make sure you have 220 volts to condensing unit. If not, check breaker probably a 30 amp double pole to see if it has tripped. You will have a disconnect box at the unit and inside there will also be 2 fuses. If you see only a pull out square connect, the fuses are still there but in behind the cover. If you have power and can hear the compressor come on but fan does not, I am positive you will have A faulty run cap, or faulty motor. Kill power to unit and try and slide a metal coat hanger down to prop or blade to see if it spins freely. If it is hard to turn bearings are froze up. If the capacitor seems to look ok, and the motor does spin free, It still may have open windings. Do these checks I have asked of you on power to the outdoor unit. If all is good, Stand in front of the unit and have someone turn the stat on for what season you are in. Lower or raise temp a ways above or below room temp. You should her the contactor close and compressor will start along with the condenser motor.If compressor starts and motor does not, then I would say it has failed and or cap again. When a motor is replaced, the run cap must always be replaced to!! Please get back to me and keep me posted. I will wait to hear what has happened. Good Luck.
Sincerely,
Shastalaker7

Jan 13, 2010 | Carrier 38CKC036 Air Conditioner

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