Filter timers
A timer monitors the hours of fan
operation. The indicator for the grease
filter will light after 30 hours of
operation. The grease filters must then
be cleaned.
After the grease filters have been
cleaned and put in place, the grease
filter timer must be reset.
^
To do this, press the grease filter
button for about 3 seconds.
The indicator will go out.
Checking the filter timers
To check the percentage of time
already used:
^
Press the On/Off button to turn the
fan on.
^
Press and hold the grease button.
The number of flashing "– / +" indicators
show the percentage of programmed
hours that have been used.
1 indicator = less than 25 %
2 indicators = less than 50 %
3 indicators = less than 75 %
4 indicators = less than 100 %
This information will remain stored in
memory in the event of a power failure.
Operation
14
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