Question about Heating & Cooling
Installing the Honeywell RTH7500 series on a heat pump system. This is an OLD HOUSE and I've followed all the diagrams, yet I can only get uncooled air or heated air. My husband started working on this and left for work, now I'm stuck in a hot house and I'm pissed! Any ideas? Honeywell is closed on Sundays.
Sounds like the thermostat is not energizing the reversing solenoid , unless you have some experience with electrics i recommend that you call a trades person, to check this problem a multi meter is required and requires the user to know how to work with power , please do not attempt it yourself ...
Posted on May 11, 2009
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Posted on Jan 02, 2017
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