FAN FILTER UNIT
INSTALLATION INSTRUCTIONS
LED Operation
Option
Code
LED
Color
Action
Notes
Filter LED
FL
Green
None
Indicates normal operation until filter pressure drop exceeds
calibrated pressure drop (factory set at 1.5x clean filter pressure).
Yellow
Change Filter
Indicates filter pressure drop has exceeded calbirated setting (factory
set at 1.5x clean filter pressure.
Motor
LED
ML
Green
None
Indicates normal motor operation when the static pressure is above
0.1" w.g.
Red
Troubleshoot Motor
Indicates motor is not in operation, and that unit static pressure is
below 0.1" w.g.
Calibration
Filter LED will come factory set to activate at the pressure drops listed in the Table below.
Pressure @ 90fpm [in w.g.]
1.5x Clean Filter [in w.g.]
0.4
0.6
If different set points are desired, they can be adjusted as follows:
Step 1:
Remove Loctite from adjustment screw hole.
PRESSURE SWITCH ADJUSTMENT SCREW
16
priceindustries.com | FAN FILTER UNIT - Manual
FAN FILTER UNIT - Manual | priceindustries.com
