Honeywell TH9421 Owner's Manual - Page 26
Furnace filter change reminder
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Operating Manual Advanced functions Furnace filter change reminder Function 0500 This feature displays an alert to remind you to change the furnace filter. Press s/t to set the desired reminder interval: Options: 0 Off 1 10-day run time 2 30-day run time 3 60-day run time 4 90-day run time 5 120-day run time 6 180-day run time 7 270-day run time 8 365-day run time 9 30 calender days 10 60 calender days 11 90 calender days 12 120 calender days 13 180 calender days 14 365 calender days E Auto Alert (requires optional equipment) Note: Press RESET to cancel the alert 69-1815EFS-06 24
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Operating Manual
69-1815EFS—06
24
Advanced functions
Furnace filter change reminder
Function
0500
This feature displays an alert to remind you to change the furnace filter.
Press
s
/
t
to set the desired reminder interval:
Options:
0
Off
1
10-day run time
2
30-day run time
3
60-day run time
4
90-day run time
5
120-day run time
6
180-day run time
7
270-day run time
8
365-day run time
9
30 calender days
10
60 calender days
11
90 calender days
12
120 calender days
13
180 calender days
14
365 calender days
E
Auto Alert (requires optional equipment)
Note:
Press
RESET
to cancel the alert