Question about Ruud UBHC Air Conditioner

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I have a RUDD Achiever 11. The outside fan only intermittently runs and seems to quit in the evening (overtime for the air condo techs). It won't start again until the morning but when it runs, it blows nice, cold air. The HVAC unit in the attic runs fine and responds with the thermostat controls. It seems to have a mind of its own. Help!

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  • 39 Answers

Two possible problems here.
1. you have a bad condenser fan motor. average cost $140.00 for the part plus installation if you can't do it. just buy the motor you most likely will be able to use the existing fan blades.
2. you have a bad run capacitor on that fan. avg cost $5.00 - $35.00 plus installation
In my opinion if you're handy and safe with electicity save some money, if not have it done.
check out grainger.com for the parts they're very reasonable. for the fan you'll need to get specs from the defective unit like amp. voltage rpm. its all on the unit itself. for the run capacitor you'll need the same. all the info u need is on the parts. search the site for run capacitor or condenser fan motor.
good luck hope this helps

Posted on Jul 16, 2010

  • finsterfart Sep 07, 2010

    very helpful!!!

    Where is capacitor located?

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http://www.air-conditioning-and-refrigeration-guide.com/air-conditioning-troubleshooting.html

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If nothing happens and you are skilled with electrical
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whoever told you that you need a condenser he or she needs to tell you why and point out the issues with what you have seems to me.
to answer your question it would be yes to the fan motor vs.condenser

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There is always an outside chance that if you touch the unit while standing on wet ground, you may get shocked. I firmly believe that something is allowing power to the fan in a feedback condition so don't let this go as it may cause damage to other parts.

Good Luck and let me know how you make out on this.

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if so your cooling contactor is defective. (If you get 24 v and unit outside dosen't turn on) if there isn't some fuse on the air handler control board blew out.

you can e-mail me @ hvac.tech7872pr@gmail.com if you need more info

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