1. Manuals
  2. Household Appliance Support
  3. Honeywell Support
  4. Thermostat Support
Support User Manuals
Question About Honeywell Thermostat TB7220U
chronotherm clock setting??...

I have an old chronotherm programmable thermostat. It's not electronic. No one, including my landlord, seems to know how to set it. Either the clokc doesn't run at all, or it runs EXTREMELY fast (and is hours ahead of real time). How can we set it to run reliably? I

Asked by Jodi on 04/04/2008 2  Answers

ManualsOnline posted an answer 16 years, 7 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

mike posted an answer 16 years, 6 months ago

0 You have an old thermostat that should really be replaced. No way to correct the speed of the clock motor. Are you sure it is getting no more than 24 volts? Might want to look into getting a Honeywell VisionPro stat.
Was this answer helpful?

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual