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Thread: AC Compressor Stopped
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05-09-2021 05:38 PM #11
Re: AC Compressor Stopped
Robert
MANCHIONEAL
1973 43DC #365
Mattox Creek, VA
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05-09-2021 09:21 PM #14
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Re: AC Compressor Stopped
To answer the original question:
The triac will be in the control box on the side of that compressor.Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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05-09-2021 09:57 PM #16Senior Member
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06-05-2021 04:55 PM #17Senior Member
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Re: AC Compressor Stopped
So, after some troubleshooting, I have ruled out the switches and the high pressure switch (my AC units do not have low pressure switches). I will probably replace the caps (cheap) but I don't think that has anything to do with it, because the compressor would hum at least. At this point I believe it to be the relay, which is behind the control box (between the compressor and control box). Has anyone replaced the relay? In the Cuiseair service manual it is called the Start Relay.
Prometheus
1978 53' MY Hull #529
Viera, FL
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06-05-2021 04:58 PM #18Senior Member
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Re: AC Compressor Stopped
Here is a picture of the control box. Obviously, the cap needs replacing, but as I said in the prior post, the symptoms are not that of a blown cap. Also note that the relay is not in the box, it is behind it.
IMG_2278.jpgPrometheus
1978 53' MY Hull #529
Viera, FL
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06-05-2021 05:10 PM #19Senior Member
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Re: AC Compressor Stopped
Here is a picture of the relay (this is on the unit above the unit not working)...
IMG_2281.jpgPrometheus
1978 53' MY Hull #529
Viera, FL
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Re: AC Compressor Stopped
Your last picture is of the reversing valve. This changes the system from cooling to heating.
You already have a hard to start Capacitor installed and visually, the metal capacitor is probably bad.
Do you really want to wander in the dark or call in a real A C tech?
IMO, if you only have one pressure switch, It is usually the low pressure cut off.