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Member Since 28 Mar 2007
Offline Last Active Aug 16 2014 02:35 PM

Posts I've Made

In Topic: Purchase Advice

28 November 2012 - 11:33 AM

Thanks - did not know that existed.

In Topic: Troubleshoot problem with Ruud A/C

17 August 2012 - 09:54 AM

Thanks. Yes, the wire coming from the house/thermostat is brown (bottom left of my drawing). It breaks into a red and a black wire, where the red goes to the Delay On Break and the black goes to the "freon valve." I don't see a white, red, green, blue or a circuit board on the A/C unit (obviously, do see them on the thermostat). Will take a picture and and post it.

What I labeled "freon valve" may not be a valve at all. It is 2 yellow wires going into a junction on a copper tube where, I assume, freon flows. Will take a pic of that as well.

Would it just be worth swapping out the "delay on break" / short circuit timer or should I wait to test it by bypassing it first?

In Topic: Troubleshoot problem with Ruud A/C

16 August 2012 - 04:42 PM

Yes, digital thermostat. Looks like White on W, Red on RC and another red connecting RH and RC, then Green on G, and Blue(?) on Y. Picture below.

The blower does come on when the thermostat is set to COOL, so at a minimum the thermostat is sending a signal out to that device.

Here is a pic of the thermostat:

Posted Image

In Topic: Troubleshoot problem with Ruud A/C

15 August 2012 - 09:19 PM

Here is the drawing, in case it is not clear on picassa:

Posted Image

In Topic: Troubleshoot problem with Ruud A/C

15 August 2012 - 09:15 PM

Thanks for all the good information. A quick update:

1. Found the service disconnect - thanks, very helpful to use that.
2. Switched out the contactor
3. Unit still not working, but I realized that my multimeter is not working either so I can't accurately diagnose right now.
4. Here is a picture of the circuit diagram that's on the inside panel: https://picasaweb.go...003130614315954 It pretty unclear so I drew a diagram by tracing the wires to the different devices: https://picasaweb.go...086934698155634

Will pick up a new multimeter tomorrow. I think I understand where to take the 24v measurements, but, not sure how to pinpoint the thermostat,the low voltage wiring, the low pressure switch in the condenser circuit (what is that?), or the anti-short cycle timer.


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