How do I restore the Energy Star default program settings on the TH6110D?
To restore Energy Star default settings, press SET CLOCK/DAY/SCHEDULE, then press SET SCHEDULE, then press DONE and NEXT at the same time for 4 seconds. The default settings are pre-programmed energy-saving levels that assume you wake at 6 am, leave at 8 am, return at 6 pm, and go to bed at 10 pm. These settings can reduce your heating/cooling expenses by as much as 33%. (Page 18, 10)
From the official Honeywell TH6110D Programmable Digital Thermostat manual, page 18
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