Setting Or Resetting Filter Indication Timer - American Standard ASYSTAT500C Owner's Manual

Setting or Resetting Filter Indication Timer

Your thermostat comes preset to the 30-day setting. To change this setting, or reset after filter expiration, follow
these instructions:
1. Press Filter to enter the Filter mode.
Filter
2. Press and hold Filter for at least
Filter
3 seconds to reset fan run time to
zero.
Filter
In this example, current fan run time is 5 days and the filter is set to expire in 30 days.
Filter
27
Days
Pressing the Filter key displays filter information.
Days
Holding down the Filter key resets counter to "0" days.
Setting
M14577
Setting
M14578
Pub. No. 12-5029-01
69-1617