Honeywell RTH2510 Series Quick Installation Manual page 23

System setup
Function 21: Change Filter Timer
0 Off
1 30 days
2 90 days
3 6 months
4 9 months
5 1 year
Press the s or t button to select Change Filter Timer.
OR
69-2726ES_A.indd 21
21
Press to
change
setting.
AND
21
RTH2510/RTH2410
0
M33631
When finished,
press s and t
to advance to the
next function.
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