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post #11 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

I do not have a resistor. I have however removed the cap, when I put the leads to it now It stays on 1 as if it is not connected.
If I shake it it seems to have liquid in it? should it be fluid? I remember back to distributor days if the coil was bad sometimes it would sound like fluid inside.


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post #12 of 23 Old 05-09-2014
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Re: Air Conditioner Issue

As I said before, you MUST place a resistor in series to test it with an ohmmeter.

Forget the cap, test the compressor windings. If the compressor is good, you need a new capacitor, new wire leads (with correct ampacity and insulation rating for the load), possibly a new contactor (contacts can be burned or welded). You should also check the power supply wiring to the unit, as undersized wire could have contributed to the problem.

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post #13 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

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The cap is almost certainly dead, and caps are cheap. Test the compressor windings. With all leads disco'ed, use ohmmeter to check from C to S, and then from C to R. If you have continuity (it will basically be sero ohms), then check from C to the shell of the compressor. That should be open (infinite resistance). If both these are true, your compressor is probably OK. Could be bad mechanically, but that's less common than a burnout. Hope that's the case!
ok, C to S, C to R both 0
C to shell, 1 so no connection from case to C.
I made sure by touching both to case and getting 0 then moving one to C and still nothing. So bad cap, right?


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post #14 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

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You should also check the power supply wiring to the unit, as undersized wire could have contributed to the problem.
the wire on the uint itself, both to and from the cap, and to and from the C connection are very small wires. But inside the boat they are all 12 or 14 gauge. The issue was shore power, I had about 3 extention cords from the yacht to the plug. It burned the plug out too.


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post #15 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

this guy tests a start cap with out a resistor?
https://www.youtube.com/watch?featur...9WYK1wdQ#t=407


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post #16 of 23 Old 05-09-2014
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Re: Air Conditioner Issue

Oh now you tell us! LOL

Anyway.. the wiring is something like this for 120 volt.



Just wish you would give up photos and even actual model number! Most have a wiring diagram somewhere....

If I'm not mistaken the start winding can be with a cap, cap and relay or solid state type. (they use a ceramic resistor in the top of the cap)

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post #17 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

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Oh now you tell us! LOL

Anyway.. the wiring is something like this for 120 volt.



Just wish you would give up photos and even actual model number! Most have a wiring diagram somewhere....

If I'm not mistaken the start winding can be with a cap, cap and relay or solid state type. (they use a ceramic resistor in the top of the cap)
mine is not like that. Both S and R are connected thru the cap.


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post #18 of 23 Old 05-09-2014
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Re: Air Conditioner Issue

if you have an analog meter, it MAY work, but a digital, forget it. This advice is guaranteed for one million times the fee paid for it.

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post #19 of 23 Old 05-09-2014 Thread Starter
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Re: Air Conditioner Issue

will buy a cap and post the results tomorrow night.


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post #20 of 23 Old 05-09-2014
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Re: Air Conditioner Issue

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mine is not like that. Both S and R are connected thru the cap.
Then the R should be connected to the same terminal as the Line in.

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