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Old 09-13-2011, 11:44 AM   #1
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Heil High Efficiency 5000


Comp readings: c to r 1.1
c to start 3.2
r to start 3.8

I'm thinking run to start should be 4.3.

Fan readings: 46.7 53.2 81.8

I'm thinking the two lower measurements should equal 99.9.

Reading between compressor pin and and case with digital mete tr set at 2000 starts at around 1000 and hovers around 940. Shorted compressor?? No readings at lower settings on the meter.

Capacitor checked weak at supply house.

Unit was installed in the mid to late 90's.
Chance of getting a little more life out pof this thing with a new cap, or is the compressor shorted?

I can start the fan by hand, and it might run 3 to 5 minutes. It blows hot air immediately though as if the compressor is heating up really quick. The compressor does run.

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Old 09-13-2011, 01:43 PM   #2
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Replace capacitor

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Old 09-13-2011, 04:30 PM   #3
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I just checked the compressor for short to ground with power on. No sign of a short.
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Old 09-13-2011, 04:44 PM   #4
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Compressor is good, condenser fan motor is going out.
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Old 09-13-2011, 04:50 PM   #5
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Heil High Efficiency 5000


turn breaker off to condenser. remove compressor from circuit meaning remove the herm at the cap and the run and common from the compressor from the contactor, leaving only the fan wired up.

flip the breaker on. if the compressor comes on without any tripping of the breaker which it hasn't done yet and keeps running for a few minutes then it's most likely good. Don't leave it running without any fan for any length of time.

Flip breaker off. wire compressor back in and then unwire the fan, remove the wire from the fan terminal on the cap and the wires from the run and common fromthe fan. run will be on the contactor and common could be at the contactor or on the cap.

flip breaker back on and see if the fan comes on without any help and with a good capacitor. if it does not,fan is bad. the heat you are getting is from the electricity being sent to the fan and it not being able to do it's work so the fan motor heats up extremely hot to the touch.
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Old 09-13-2011, 05:02 PM   #6
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Quote:
Originally Posted by boman47k View Post
I just checked the compressor for short to ground with power on. No sign of a short.
Unless the breaker for the condenser unit is bad and stuck any grounded compressor would trip the breaker.

what's happening is your windings in the fan motor are weak. they can show good when fan is cool but not work once hot.
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Old 09-13-2011, 06:15 PM   #7
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model #: CA553SVKD2 Seems to be International Comfort stamped Heil.

Any source of a schematic for this? It seems to be an extra wire I do not remember being on the cap going somewhere. The schematic is a little weather frayed and I cannot get a good picture of this extra wire. I don't remember any being doubled on the cap..

Thank you guys for responding.

P.s> Bound for me to need a weird part that I have to run all around town to find.

Checked 3 places within about a mile of my house. No luck yet. OH, and one place in the next city.

I did find the same rated cap online at 2 places. About $69 at one place. $16 at the other (Dayton cap).

Last edited by boman47k; 09-13-2011 at 06:19 PM.
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Old 09-13-2011, 06:49 PM   #8
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take some pictures of the service area including all wires, post them here, and we'll tell you where they go and what they are for.
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Old 09-13-2011, 07:02 PM   #9
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Good idea. I'll see if I can't get that done tomorrow.

Thanks.
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Old 09-13-2011, 07:10 PM   #10
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In the meantime I have some pictures of condenser service areas, tell me what or which ones you don't understand and either myself or someone else will explain (as I have a hot date and thus I'm outta here shortly.)


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Old 09-13-2011, 07:26 PM   #11
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Not the best of pics. Getting dark and bat's low in camera.

The cap a buddy gave me is hanging to the side for now. I am told it is too little for the compressor and too big for the fan.

Hopefully you can see in the schematic what I am talkking about when I mention a second wire on one terminal of the cap and the path being faded out. It is on the herm terminal. It is a blue wire going to the compressor. I can't remember a second wire being there.

The 1st pic shows the cap with what looks like two wires going somewhere (back to the contactor?) at the top right.

The last pic shows the same top left.
Attached Thumbnails
Heil High Efficiency 5000-hvac-cap-schematic.jpg   Heil High Efficiency 5000-hvac-cap.jpg   Heil High Efficiency 5000-hvac-contactor.jpg   Heil High Efficiency 5000-hvac-schematic.jpg  

Last edited by boman47k; 09-13-2011 at 07:29 PM.
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Old 09-13-2011, 07:33 PM   #12
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I can make out where it says 'crankcase heater (optional). Maybe the second wire waqs optional. Used when/if a heater is used?
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Old 09-13-2011, 07:47 PM   #13
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Quote:
Originally Posted by Doc Holliday View Post
In the meantime I have some pictures of condenser service areas, tell me what or which ones you don't understand and either myself or someone else will explain (as I have a hot date and thus I'm outta here shortly.)


Are you going to work at the attic LOL.......hot date
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Old 09-13-2011, 07:51 PM   #14
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Do it right.....replace, contactor, dual capacitor and install start kit.
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Old 09-13-2011, 08:15 PM   #15
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Yellow extra most likely from line 2 of contractors to common on cap.
Jjboy, Don't post anything like that on this site


Last edited by beenthere; 09-13-2011 at 08:19 PM. Reason: Inappropriate comment
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