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Old 04-20-2012, 10:22 PM   #1
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Dog chewed Tstat wire... figures.


Hi everyone, im new, with an old problem.

My dog chewed on the low voltage wire.

nothing would kick on, not the fan, furnace etc. i repaired the end of the chewed wire to the compressor outside and hooked the wires back up and still nothing.

I checked out the furnace and the 3 amp fuse was blown and when i replaced it it blew again. so i took the air handle control circuit board off and it was fried. I replaced it and now the fan on the furnace will kick on but the compressor outside still wont. So i ran a new low voltage wire from the compressor to the furnace. and still nothing.

I live in a brand new duplex. with a RUUD ac unit.

Part Number RHSL-HM3017JA
Serial number W321009817

any help would be greatly appreciated.

Thanks guys

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Old 04-20-2012, 10:34 PM   #2
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Dog chewed Tstat wire... figures.


oh yea i forgot to mention, if you press the button on the compressors circuit relay thing the compressor will kick on. so its something between the compressor and furnace. i think...

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Old 04-20-2012, 10:36 PM   #3
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Dog chewed Tstat wire... figures.


Have you checked for 24 volts at the contactor in the condenser while on call for cool? Did you hook up the condenser wires properly on the new control board? One wire to the condenser will go to the Y terminal and the other to the C terminal.
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Old 04-20-2012, 10:41 PM   #4
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Dog chewed Tstat wire... figures.


There should be two wires on the Y terminal, one from the stat and one going out to the condenser.
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Old 04-20-2012, 10:46 PM   #5
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Dog chewed Tstat wire... figures.


I have to ask...just where is this wire that the dog can actually get to it?
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Old 04-21-2012, 05:54 AM   #6
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Dog chewed Tstat wire... figures.


Quote:
Originally Posted by Missouri Bound View Post
I have to ask...just where is this wire that the dog can actually get to it?
Right next to his homework. LOL...
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Old 04-21-2012, 06:32 AM   #7
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Dog chewed Tstat wire... figures.


If you have a electronic wall thermostat it may have been on the "fried" menu also.
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Old 04-21-2012, 08:25 AM   #8
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Dog chewed Tstat wire... figures.


isolate the voltage...shut condenser disconnect OFF..tape off 2 stat wires out in condenser. remove stat wires into furnace and power up ..still have 24V and fuse... remove wall stat and re-connect stat drop into furnace...OK? jump R to G on subbase FAN?..OK jump R to Y go out to condenser and read 24Vs on 2 taped off wires?so you know have 24Vs with all this reconnecting...now for the final connect...with that condenser disconnect still off ...connect just one taped off stat wire to contactor and then touch other to where it goes..still have power?if the fuse blows there is a short within the condenser.having R to Y is a direct cooling signal out to your condenser...the disconnect being OFF has nothing to do with the 24V supply which comes off the furnace TR and thru your wall stat....the trick here is to connect one section at a time and see what blows the fuse....how's the puppy,had his teeth flossed with some VA off the transformer...
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Old 04-21-2012, 10:02 AM   #9
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Dog chewed Tstat wire... figures.


Quote:
Originally Posted by beenthere View Post
Right next to his homework. LOL...

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