Question about Frigidaire FAS156N1A Air Conditioner

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Window AC takes spells on cooling?

Our 1 year old Frigidaire window ac has started taking spells of not cooling. I though it was due to our high temperatures, but I am not sure that is the case. It will cool, then by noon time it only blows out air like a fan. It will go back and fourth with fan air and then cold air. We have cleaned the filter recentally and doesn't seem to have helped. We also have a smaller room ac, which is much older, and it has been doing fine, so that is why I am confused about it just being too hot. It has the energy feature, but we keep it on constant cool. Any help would be appriciated!

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Re: Window AC takes spells on cooling?

One thing to check is to make sure the evaporator and condenser coils are clean. Any dirt here will short ccle the compressor.

Posted on Aug 25, 2007

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Air conditioners compressors are high starting torque motors , although it uses 15 amps running , it takes perhaps 3 times that briefly to start a compressor. Thats why in the old days the lights dimmed while the ac started etc. Air conditioners are designed to operate at 95 outdoor/ 80 indoor. The design temps are 80 air into a 40 coil gives 60 supply temp, for a 20 temp drop with each pass.
The outdoor coils are 30 above ambient so the hot outdoor air will still be cool in relation to the hot refrigerant gas and remove heat to condense it back to a liquid. Since the pressures and temps are according to ambient there isnt any way to not have the amp draw increase with load.
That said check the breaker for age and replace if not pretty, check all connections for tightness, consider dedicated circuit.

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