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-   -   Compressor not running... buy new or used? (http://www.diychatroom.com/f17/compressor-not-running-buy-new-used-110419/)

tgillespie 07-11-2011 07:00 PM

Compressor not running... buy new or used?
 
AC unit in my house isn't getting cold, so after some reading and troublshooting, I've discovered...
  • Evaporator is clean.
  • Furnance filter clean.
  • Thermostat works.
  • Cooling fan works.

The pipes going in/out of the house are not hot/cold and I cannot hear the compressor kick on. So my question is, whats the best way to go replacing/repairing it?

I don't want to spend a bunch of money as we wont be in the house for much more than a year or 2.

tgillespie 07-11-2011 07:01 PM

Also, if I get a new compressor, are you able to put a 3.5 ton compressor on a 3.0 ton system?

Artco 07-11-2011 07:08 PM

By cooling fan works, do you mean the one outside?

Marty S. 07-11-2011 07:10 PM

Have continuity between the compressor terminals or not? If not is the compressor hot to the touch? If yes list the ohm readings. Capacitor rated for what mfd and what does it test at? Compressor wires all in tact or are one or more burnt off?

I would NEVER buy a used compressor.

tgillespie 07-11-2011 07:12 PM

Quote:

Originally Posted by Artco (Post 684176)
By cooling fan works, do you mean the one outside?

Yes the one outside.

yuri 07-11-2011 07:15 PM

Quote:

Originally Posted by tgillespie (Post 684168)
Also, if I get a new compressor, are you able to put a 3.5 ton compressor on a 3.0 ton system?


NO. Why jump to conclusions. How old is the unit. May just need a simple capacitor. Post brand, model and serial # and we may be able to tell it's age.

tgillespie 07-11-2011 07:16 PM

Quote:

Originally Posted by yuri (Post 684186)
NO. Why jump to conclusions. How old is the unit. May just need a simple capacitor. Post brand, model and serial # and we may be able to tell it's age.

Be right back.

tgillespie 07-11-2011 07:22 PM

Bristol

Model Number: H29B35UABCA OC-25
Part: 709012-1501-00

V: 230/208
Hz 60 PH1

LRA 86

yuri 07-11-2011 07:26 PM

Bristol makes compressors not complete ACs that I know of. Need the info from the name plate of the outdoor unit.

JJboy 07-11-2011 07:29 PM

Thermostat is calling for cool?

One dual capacitor or 2 capacitors

Outside fan is working?

Have you check the contactor? high voltage

Are you getting 24vac at the contactor ( low voltage )

tgillespie 07-11-2011 07:30 PM

Quote:

Originally Posted by yuri (Post 684202)
Bristol makes compressors not complete ACs that I know of. Need the info from the name plate of the outdoor unit.

That was from the compressor.

The actual AC Unit is a Goodman CKL36-1D Series

yuri 07-11-2011 07:31 PM

should be a serial # below it.

tgillespie 07-11-2011 07:34 PM

Quote:

Originally Posted by JJboy (Post 684204)
  1. Thermostat is calling for cool?
  2. One dual capacitor or 2 capacitors
  3. Outside fan is working?
  4. Have you check the contactor? high voltage
  5. Are you getting 24vac at the contactor ( low voltage )

  1. yes
  2. Don't know. What do I look for here?
  3. yes
  4. yes
  5. yes

JJboy 07-11-2011 07:36 PM

Quote:

Originally Posted by tgillespie (Post 684214)
  1. yes
  2. Don't know. What do I look for here?
  3. yes
  4. yes
  5. yes

Disconnect the power. open the electrical box at outside unit. you should see 1 or 2 capacitors close to the contactor. Can you post a pic.

tgillespie 07-11-2011 07:38 PM

Quote:

Originally Posted by yuri (Post 684206)
should be a serial # below it.

Serial: 0105433408


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