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Programmable Thermostat w/no power

Posted by Thompson on January 27th, 2003 09:46 AM
In reply to Installing programable thermostat by DIY Novice on January 19th, 1999 04:54 PM [Go to top of thread]

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> Hunter set and save manual thermostat manual by Handyman on 01/24/2008

I changed my old mercury switch thermostat to a programmable one, however the heat pump won't come on. after not being able to fix the problem, i put the old thermostat on, but now that one will not power on either. i am POSITIVE that i a connecting the W, Y, R, and G wires correctly. any idea on what might be wrong?

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