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Corsaire Rheem Air Conditioner FADB-048JAS


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4 replies to this topic

#1 maddyn99

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Posted 25 July 2011 - 09:25 AM

I need some help with a capacitor problem. I have AHS (arrrrgh!!!) and every time my AC breaks the send someone different out to work on it. Today will be the 5th time in less than a year for the same problem. I have been told each time its a capacitor. Obviously something is making the capacitor go bad. There are no obvious signs of a bad capacitor. Its not swollen or bulging. What can be causing this problem? Its hard to tell, but it looks like it might be wired incorrectly? The wiring diagram is a bit beat up but I cant find a clean copy anywhere online and Rheem was less than helpful.

Here is the wiring diagram.
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The way its wired....

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Bottom view of the cap...

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#2 RegUS_PatOff

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Posted 25 July 2011 - 11:32 AM


I'm not a HVAC master, but from what I can see, it looks OK.
Is it the small Capacitor (for the Fan) that always needs replacing ?
It may be a bad Fan Motor.
With power removed, can you turn the Fan Motor Shaft by hand ?
Does it turn easily, smoothly ?
90-23238-01-10.pdf


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#3 maddyn99

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Posted 25 July 2011 - 12:06 PM

Cool thanks for the wiring diagram. I guess what I was referring to is that there is no wire coming from the run capacitor on the FAN spot. Shouldn't there be? Or is that because there is a small fan capacitor? The fan does spin easily by hand and I don't hear any grinding or squeaking or anything that sounds like resistance.

#4 RegUS_PatOff

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Posted 25 July 2011 - 12:23 PM

... there is no wire coming from the run capacitor on the FAN spot.... Or is that because there is a small fan capacitor?

yes, the Dual Capacitor costs about $50
the smaller (separate) replacement Capacitor for the Fan is only about $5
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#5 ACtechGUY

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Posted 25 July 2011 - 08:41 PM

The problem may be the capacitors your contractor is using. The ugly truth is that capacitors are being built like Crap today. Chinese capacitors are VERY BAD compared to other countries of manufacture . I t is very possible that you have received 4 faulty capacitors.

BUT!!!! The primary thing that will make a Cap go bad is extreme heat. If it is not defective to start off with.

Is your condenser coil very dirty? That will killl a CAP. Is your fan motor spinning slower than it is intended to? . Is it possible that the wrong motor is installed and spining too slow? dead too....

Also YOU SHOULD NEVER HAVE 2 seperate capacitors installed in your situation . You seem to have a fine brand new 45 / 5 mfd capacitor installled . why is the fan not hooked up to the ??brand new?? 45/5 capacitor?

Maybe call back and ask for the senior tech to come take a look. there is a problem that the green guys are not seeing.

Make sure the guy that comes out checks pressures , temperatures , and AmP draw of all componets .

Good Luck




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