Tips - Price FFU series Installation And Service Manual

FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS

Tips

Low Air Velocity
High Air Velocity
Non-Laminar Flow and/or
Excessive Contamination
Motor Keeps Shutting Off
LED Light Turned Red
LED light Turned Yellow
Motor Will Not Run
If experiencing further issues with unit, contact Price Industries Fan Filter help at:
By Email: criticalenvironments@priceindustries.com
By Phone: (204) 654-5613 option 5
1. Check pre-filter media (only with optional pre-filter); replace or clean as necessary
2. Adjust variable speed control for higher blower output.
3. Check power for proper voltage, amperage, and distribution frequency.
4. Replace HEPA/ULPA filter if the velocity remains low.
1. Adjust variable speed control for lower blower output.
1. Ensure that no large obstructions are upstream of airflow pattern.
2. Determine that no other air-moving devices are operating in or around cleanroom which could disrupt
the room's airflow pattern.
3. Check air velocity and if low, conduct the 'Low Air Velocity' procedure outlined above.
4. Conduct smoke and photometer test on HEPA/ULPA filter. Seal or replace.
1. Check if unit is ducted.
2. If no, contact Price at criticalenvironments@priceindustries.com.
3. If yes, check inlet pressure, if positive, re-balance until inlet pressure is zero.
1. Refer to 'Motor Will Not Run' procedure outlined below.
1. Replace filter.
1. Check that motor has power at correct voltage.
2. Check that the speed controller has power.
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