Question about Honeywell Programmable Thermostat Heater
I have a robertshaw 9600. 2 zone. I used the upstairs thermostat for the first time today and the main floor thermsostat was set at 80. upstairs at 81. when i came home the downstairs temp on the thermostat said 77 and it was definitely that temp. could the upstairs where it is very hot have somehow overcooled the main floor?
Warm air rises and if the upstairs thermostat is on it will onerride to lower the temp upstairs. To have the dowstairs thermostat govern, the up stairs must be off . The whole house will balance to the controlling thermostat.
Posted on Jun 02, 2009
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Posted on Jan 02, 2017
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