Service: Cleaning Of Pre-Filter - Price FFU-HE Series Manual

FAN FILTER UNIT - HIGH EFFICIENCY
INSTALLATION & SERVICE INSTRUCTIONS

Service: Cleaning of Pre-filter

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: Gain access to the top of the unit by removing adjacent ceiling, or access panel.
STEP 2: Bend up pre-filter retaining clips and remove the pre-filter (non-ducted), or remove filter access door (ducted). Reference
the below figures for further details.
Non-Ducted Unit
STEP 3: Clean pre-filter by hand washing in water with a mild detergent or by using a vacuum cleaner. Allow pre-filter to dry
completely before replacing.
STEP 4: Reverse above steps to install the pre-filter.
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Removal of Pre-filter
Ducted Unit