Honeywell RTH2300 series - Troubleshooting specific issues

RTH2300/RTH221
19 69-2728ES—01
SETUP WIRING ASSISTANCE TROUBLESHOOTING
System setup (RTH2300 only)
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.
Press to
change
setting.
When finished,
press s and t
to advance to the
next function.
M33591
AND
OR
21
0
M33631