Question about Goodman CKL36AR36 Air Conditioner

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My Goodman unit won't cool below 78 degrees inside during this heatwave. The thermostat says

Not sure about the specific unit I own.

Posted by Dawn Miller on

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almxracer

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Your home may not be insulated well enough or you could have leaking duct or your system may not be charged correctly ac systems are not sized to cool below 76 degrees above 90 degrees outdoors because this will increase your utility bills during the cooler temperatures. thank your governement and all the regulations we have to follow for this. they would rather you save money than be comfortable. and we are actually in violation of state law and federal law if we install a unit that will cool below 76 degrees on 90 degree outdoor temp

Posted on May 16, 2014

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5 Related Answers

fixr1st

  • 49 Answers

SOURCE: goodman ac / heat pump

Goodman energizes it reversing valve in the cooling mode. Usually in the "o" circuit of the thermostat wiring.You may have that wired hot somehow.

Posted on Nov 28, 2007

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Mark Egan

  • 1214 Answers

SOURCE: goodman heat pump trips sometimes no know cause.

20 AMP Circuit, huh? More on this below.

The tech probably didn't put a hard start kit on, but if he did, I hope he added the resistor to the start capacitor, or you could have a problem in the future. He probably put a soft start on it, a 2 wire device which looks like a capacitor. But only you will know for sure (or he.). As for warranty, manufacturers don't care about soft or hard start kits. In fact, they like 'em, because they extend the life of the compressor, which keeps them from having to pay for a new one.

I would be concerned with a 20 AMP circuit for anything higher than 2 tons. Take a look at the nameplate rating on the side of the condensor and tell me how many Running Load Amps (RLA) this unit is supposed to pull.
Also need to know your line voltage at the condensor, with the unit running.

Posted on Jan 28, 2009

Anonymous

  • 6 Answers

SOURCE: Goodman with 2 thermostats, freezes in summer, no heat in winter

is the system zoned? if so maybe the zoning control board to the damper motor is wired improperly. when a system freezez its because of 1- restricted air flow across coil, (maybe dirty filter) or 2-low refrigerant charge. again could depend on how its zoned.

Posted on Feb 16, 2009

Anonymous

  • 614 Answers

SOURCE: GSH13 Goodman heat pump split

Check sub cooling and super heat. the New ac units are very critical to charge. There is a charging chart on the inside of the cover to the unit outside. Check temp difference across coil. Should be 18 to 22 degress. If you have an ampmeter. Check the heat strips one 5 kw might be stuck.(sequencer). This would cause you not be able to pull down temp. Goodman unit are hard to charge to get the temp difference across coil. Feedback please

Posted on Jun 14, 2009

Anonymous

  • 534 Answers

SOURCE: goodman air conditioning not cooling thermostat settings normal

Several problems could be the cause of the air not cooling. 1 the capacitor for the compressor is out. 2 the compressor itself is bad 3 the unit could be low on freon 4 the thermostat isn't wired correctly. All of these problems would need an a/c tech to look at due to the complexity of the system. Good luck hope this helped you somewhat

Dave

Posted on Nov 11, 2009

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If the circuit breaker is not tripped (and you have line voltage to the unit) - and your inside blower motor is running - then your problem is with the thermostat/or the wiring from t-stat to outside unit.
Could it be you don't have the t-stat set on "cooling," or possibly not set at a low enough temperature to allow the unit to be turned on? Note: your t-stat must be set 'below' the inside temp, i.e. if the room temp is 78 degrees - you must turn the selector to below 78, i.e. 75, 74, so on.
Check your low voltage wire going to the outside unit - usually a thin brown wire which encases 2 smaller wires (usually red and yellow) that goes to the 'starter relay' inside the outside unit. Make sure a dog hasn't chewed it in - two - or someone hasn't cut it with a weed eater. If this is the case, turn the t-stat to off, and un-plug the inside unit (furnace) and splice the wires back together.
You can do this fairly easy with a pair of cutters and if the wires are 'color coded' you will know which wire(s) to splice back together. Note: this is 24V wiring but still you should make sure power is off - because 24V can zap you sometimes - AND you want the power off so you don't 'cross' the wires and short out the transformer.
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I have a Honeywell EMM-3 Electronic MiniZone Panel and my thermostat is set at 78 degrees but the house is registering at 89 degrees and it won't cool down although the a/c has been on all day for...


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Zone 1, 2, 3 etc. do not have any particular meaning, except to indicate zone control flappers 1, 2, 3 etc. which are physically inside the ductwork which determines the zoned area.
Just because you have this fancy thermostat, does not mean that your house is actually zoned, but I am not to sure why such a thermostat would be purchased if it was not (unless it was free).
Zoning uses dampers. Is there air blowing out of the registers?
:o).

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If your unit is running 24/7 you are either low on charge or the unit is to small for your house.
A 20° temperature difference is about normal for the room air vs the air coming out of the ducts, but the room air and the leaving air should keep getting colder and colder.
An air conditioner should cycle approximately 3 maybe 4 times in an hour if it's properly sized.
As for the thermostat thermometer they are very cheap and are more for reference than actual temperature, so if 78° is not comfortable, then you should set it lower but not rely on thermostat being accurate or what the thermometer is saying as long as it is consistent.
The air conditioner and thermostat can also be set below 78°, there's a lot of people set them at 72° and below with no problems.
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