Tuesday, 13 October 2020

Deadband on Honewell thermostats

Hi all. Would appreciate some assistance.

I have a dual zone AC/Furnace with two Honeywell thx9421r5021ww thermostats. I live in Toronto and during the fall and spring there is a lot of temperature variation day to day and one day may require AC and the next day heat.

I have access to installer settings on my thermostats. The deadband selection is from 3-5C. Somehow on one of the thermostats it is set to 2C even though that doesn't appear to be selectable as an option. The other thermostat is set to 3C. I would like them both to be 2C, but this does not seem to be an option even though somehow the other is set to 2C. Am I missing something?

Advice?

Thanks


source https://hvac-talk.com/vbb/showthread.php?2222976-Deadband-on-Honewell-thermostats&goto=newpost

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