Price FFU series Installation And Service Manual page 38

FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
STEP 3: Wait a few seconds for the ECM motor to adjust its speed and then verify fan airflow with measurements at the unit face
using a flow hood. Adjust the POT/DIAL, or BAS input signal to reach desired airflow as required.
STEP 4: Proceed to balancing sections starting on page 42.
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FAN FILTER UNIT - Manual | priceindustries.com
FIGURE 39: SPEED CONTROLLER ADJUSTMENT.
POTENTIOMETER/
DIAL ADJUST
GREEN STATUS LED
MUST BE BLINKING.
(CODE 1 THRU 4)