Service Introductions; Pre-Filter Cleaning - Price FFU series Installation And Service Manual

FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
Service Instructions

Pre-Filter Cleaning

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: Remove filter by pushing filter to one side and sliding it out from under the brackets (non-ducted), or remove filter access
door (ducted). Reference the below figures for further details.
FIGURE 19: NON-DUCTED UNIT FILTER REMOVAL.
FIGURE 20: DUCTED UNIT FILTER REMOVAL.
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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