Question about Amana AAC051FRB Air Conditioner

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Cold air In the winter and with a cold wind blowing into the unit, we are not able to stop the cold and the unit runs alot. I do have the damper shut for the winter. Can I insulate the air intake for the winter to minimize this cold air?

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Re: Cold air

Is it a heat pump or straight electric heat??

Posted on Sep 30, 2007

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My central air conditioner is making a whistling noise in the inside unit when the compressor is running. It's not the blower because the noise stops after the outdoor unit shuts off. It's also not blowing...

If there is no cooling (meaning no cold pipes and not blowing cold air) then check the outdoor A/C for any visible/obvious issues; breakers not tripped, no debris blocking the outside unit from passing air through it, etc. If all looks ok, you can start checking some things inside of the unit if you feel comfortable doing so. Also, most indoor heaters have a higher speed/rpm for the fan when the cooling kicks on, and the heat runs on a lower speed/rpm.

Hope this helps James

Apr 05, 2011 | Air Conditioners

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Find a reputable HVAC contractor to do a room by room analysis with heat and cooling loads calculated and units sized and duct requirements and compare to what you have.

The air not being cold is not necessarily an indicator of anything malfunctioning. High efficiency units for instance don't produce cold air.

Since you have had someone look at it, the duct work may be collapsed which restricts air flow or uninsulated which warms up the supply air. Either one is a possibility. Any Cox Cable guys been stompin' around your attic lately? Wouldn't be the first time.

Usually, when the air coming out of the vents is not cold enuf it's because your freon level is low. Probably leaking, but they can usually recharge the freon and it will work for a while. Try another repair company and see if they can recheck the freon level.

We have a high efficiency unit and it produces cold air, so I don't know what previous poster is referring to. Air conditioners are supposed to blow cold air.

Sorry, to tell ya but it is normal if the outdoor temperatures are much below 45 degrees. Below 45 degrees there is little heat outdoors for the heat pump to grab to heat the home so it will run 24/7 and blow cool or cold air. Below 45 the temp of the air coming out the vent will decline and you will get no heat from the heat pump itself as you near freezing.

Your emergency heat or auxiliary heat is electric strip heat. But it only kicks in during normal operation if the temp in the house drops 3 degrees below the setting. (some tstats if can be 5 deg.) Otherwise the heat pump will blow cool or cold air the rest of the time if it is too cold out.

To prevent it from running all the time and blowing cold it is recommended if the temp outside is falling below 45 degrees you should just switch to the emergency heat setting, which shuts the pump outdoors off, and just heat with the electric.

But if there is no heat outside the heat pumps will blow cold. They are the cheapest and most efficient forms of heat but only as long as the outdoor temp is above that 45 deg..

I'm guessing that if you haven't experienced this you live in some place with moderate winter temperatures like in Northern Florida and rarely get very cold winter temps like the freezing you have seen there recently.

It will likely blow much warmer when the outdoor temp rises.

Aug 02, 2010 | Air Conditioners

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Indoor fan blowing cold air when on heating

The indoor fan will continue to run. When heat pump goes into defrost the outdoor fan stops, the reversing valve switches and the unit is basically working in the cooling mode. In order for you not to feel a blast of cold air in the winter the electric strip heat also comes on so the indoor fan must run while the strip heaters are on.

Jun 03, 2010 | Air Conditioners

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My a/c is blowing hot air on one side and cold on the other

Check for open dampers. Many units have fresh air dampers that allow fresh air into the house. Having the damper open will affect the temperature of the air.

Apr 23, 2010 | Air Conditioners

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Amana central heat and air unit use to blow cold air through all the vents. Now the 2 hardest blowing vents close to the air handler barely even blow out cool air while all the other vents still blow very...

Visually inspect the duct run connections to the main trunk. It is possible that they have loosened and are losing air under the house. Also inspect the duct runs from the trunk connection to the vent connection. You want to check for any damage or other failure. It is rare to find dampers in individual runs in residential duct systems; however, it is another possibility.

I hope you find this information helpful. Good Luck in your endeavor! :-)

Mar 11, 2010 | Air Conditioners

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check one of the following stop the cooling
a- condenser need cleaning
b- condenser fan not operating
1 -check correct voltage comes to the fan motor if ok
2- check capacitor if ok
3-check motor winding
c-low suction pressure
need check for leak before charging.

Sep 12, 2009 | Dometic Rooftop RV Air Conditioner

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No heat

check to see if unit has a contactor,they arc and weld together,keeping your unit on

Feb 06, 2009 | Amana PTH153B50AE Air Conditioner

1 Answer

Cold air coming from the intake of the central a/c unit. The unit is switched off and it is winter, so why would cold air come from the intake

Thanks for your question,
Just a couple of questions first, is your ducting insulated ? is there a fresh air intake on your system ? if either of these is the case, the first would be that you need to have your duct insulated, it is good practice to have them insulated as it will save you money down the road as to not have as much heat loss or cold air from the duct escaping into the home, second if you have a fresh air intake, alot of times that is where fresh outside air would be coming in from, there should be a damper on the venting, if there isn't I would suggest having one installed, normally it is installed on the return side of your ducting. Hope that was helpful, please leave some feed back as to how we did, thanks again,

Jan 23, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Air conditioner problem

You may have an extremely intolerant cold control, a weak gaurdette on the compressor, a compressor motor winding issue, or maybe an oversized unit for the area you are trying to cool.

May 30, 2008 | Air Conditioners

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