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FAN FILTER UNIT - HIGH EFFICIENCY
INSTALLATION & SERVICE INSTRUCTIONS
Room Side Accessible Motor/Blower Assembly
NOTE:
Sample line string below:
1//FFU-HE/24/48/RSR/BC/ECM/115/10//CT//HEPA//ECMDX//WK/DSW/PC/RMB/ATS/MBAS/FBAS/WPF/PL-AL/F-AL/PL-B12/
F-B12
NOTE:
Disconnect the unit from the electrical power source before attempting any service. Electrical service should be performed
by a licensed electrician or authorized service technician.
NOTE:
When performing any type of maintenance on the FFU be careful to reduce as much as possible the potential for introducing
the internals of the unit to dirt, dust, and debris that may be present in the unit's external environment.
STEP 1: Remove diffuser perforated face by turning quarter turn fasteners holding face in place.
NOTE:
Safety cables will be attached to the diffuser face, but care should be taken to ensure that diffuser face does not swing and
injure anyone.
STEP 2: Remove filter by loosening cam latch bolts (filter retainer clips) by turning counter clockwise using your hands, or hex key
as required to fully tighten latches.
Remove Diffuser Face with Quarter Turn Fasteners
Loosen Cam Latch Bolts
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