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Old 01-29-2010, 06:02 PM   #144
joegr
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Join Date: Nov 2003
Location: Gulfport, Mississippi
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Re: Dual climate control blowing heat on AC

Quote:
Originally Posted by shorod View Post
... You could release the wire from the connection at the DATC that signals the DCCV and see if the DATC is intentionally providing voltage to the valves. ...
-Rod
Rod - Just to make this clear.

Power to valve = valve closed and no heat.

No power to valve = valve opened and full heat.

You want the DATC to be providing "voltage" to the valves.
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