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Page 19.2
How to Set and Reset the Service Filter
(Fan Run-Time) Alert
This counter keeps track of the number of hours of fan run-time
whether the fan is energized in the Heating or Cooling modes, or in
stand alone fan operation. The Service Filter icon will appear after the
preset number of hours of fan run-time in step #45 (
below
) has been
achieved. Setting this counter to zero in step #45 will prevent the
Service Filter icon from ever appearing.
PROGRAM
MODE
MODE
Press the MODE button. While holding
the MODE, press the PROGRAM
button to enter Setup screens.
Press the MODE button repeatedly
until this setup screen appears.
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
PROGRAM
Press
Reset the counter to 0 to
remove the Service Filter
icon from the display.
Press
FAN
(0 - 1950 hours)
0
Service Filter
Setup
44
0
Service Filter
Setup
45
MODE
Press
Hours the fan has
run since last reset
Adjust the number of
hours, in increments of
50, the fan will run
before the Service
Filter icon appears on
the display. 0 = off.
Note: Press the
MODE
button momentarily
to move through the
setup screens. Press
and hold the
MODE
button to move back-
wards through the
setup screens.
Summary of Contents for T1 900
Page 5: ......
