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Furnace Air Filter Timer (Feature No. 43)
Filter timer options:
0 = off
1 = 30 days
2 = 90 days (preset)
3 = 180 days
4 = 365 days
To change your filter timer:
❑ Press until the display shows the desired number of days.
❑ Press Time to move to next feature or to return to main display.
NOTE: The filter time is based on calendar days.
Humidifier Pad Timer (Feature No. 44)
Humidifier pad timer options:
0 = off (preset)
1 = 90 days
2 = 180 days
3 = 365 days
To change your humidifier pad timer:
❑ Press until the display shows the desired number of days.
❑ Press Time to move to next feature or to return to main display.
NOTE: The humidifier pad time is based on calendar days. See your humidifier instructions for complete details on
replacing and/or cleaning your humidifier pad.
Ultraviolet (UV) Lamp Timer (Feature No. 45)
UV lamp timer options:
0 = off (preset)
1 = 365 days
To change your UV lamp timer:
❑ Press until the display shows the desired number of days.
❑ Press Time to move to next feature or to return to main display.
NOTE: The UV lamp time is based on calendar days. See your UV lamp instructions for complete details on
replacing your UV lamps.
Run
Program
Run
Program
Run
Program
M2024
M19600
M2024
