Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Honeywell T8011r does not have anything on display - does not appear circuit breaker is thrown - could it be wire disconnected at the plate or is there a fuse inside the unit?

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Check to see if you have power at the furnace. You thermostat is powered by 24vac coming from the furnace. You should have power on the "R" terminal.

Posted on Oct 07, 2009

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I do not have the same thermostat but did need to turn my display off when sleeping downstairs near the thermostat. So, I called my utility company that installed the Honeywell Utility Pro Series Thermostat and here is how to do it. It was not in the Honeywell User Manual located at:


http://www.bgesmartenergy.com/media/pr/thermostat-operation-manual.pdf


  1. Press System – it will blink
  2. Press & Hold Square 3 + 5 at the same time
  3. 120 change with up arrow to 280
  4. 0 = OFF and 1 = ON
  5. Hit Done button
Too, Mine has a battery inside to backup the settings.

That is it for mine! Hope this helps.

Posted on Nov 20, 2009

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