Question about Honeywell Heating & Cooling
What do I do with the orange wire to connect an RTH6400D thermostat? If I put it with the W wire I only have heat no ac
First off ... if you have a heat pump with backup heat you cannot use this t-stat....
If you just have a heat pump and no electric or gas backup then you need to go into the advanced setup and change some of the settings to make it work for you....
This PDF has all the instructions you need...on page 11 is an 800 number to call to get honeywell professional help...
page 13 starts the adavnce control settings and page 21 tells you about the O wire hookup...
Posted on Jul 27, 2010
Testimonial: "thanks for the info. I went and got a thermostat that was compatible with heat pumps and everything is working now."
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Posted on Jan 02, 2017
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