Setting Or Resetting Filter Indicator - Honeywell T8665C EnergyPro Owner's Manual

Setting or Resetting Filter Indicator

Your thermostat comes preset to a 30-day
setting. To change this setting or reset after
filter expiration:
1. Press Filter key to enter Filter
mode.
Filter
Press Filter key to display filter information. Example
display shows current fan run time set to 30 days with
filter set to expire in five days.
2. Press and hold Filter key for
at least three seconds to
reset fan run time.
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