Filter
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22
Coil Removal -- Remove unit panels and corner posts as
required. Disconnect coil connections and remove fastening
screws. Remove coil through end or side sections of unit.
Cleaning Cooling Coil -- Remove return--air filters.
Remove any heavy dirt that may have accumulated on
underside of coil. Coil can be cleaned more easily with a
stiff brush, vacuum cleaner, or compressed air when coil
is dry. If coil is wet or if water is to be used for cleaning,
guard against splashing water on electrical components or
damaging surrounding area. Clean coil baffles as
applicable and check for tight fit to be sure air does not
bypass coil.
Cleaning Insulation -- The insulation contains an
immobilized antimicrobial agent that helps prevent the
growth of bacteria and fungi. Clean the inner surface of
the insulation according to the separate maintenance
instructions shipped with the unit.
Replacing Filters -- Filters can be removed and installed
from either side of the unit. Install new filters in units that
have one fan as follows:
1. Remove the side access panel (retain screws).
2. Remove the filter retainer clip (see Fig. 27).
3. Remove old filters by lifting and tilting them out of
the filter track. See Fig. 15 and 28. Use the factory--
supplied filter hook to slide filters within reach for re-
moval. The filter hook is shipped inside the unit in
the filter track
4. Reverse the procedure to install new filters.
UNIT OPERATION HAZARD
Failure to follow this caution could cause equipment
damage.
Do not operate unit without air filters.
CAUTION
!
SLIDE
FILTER
RETAINER
CLIP
C10703
Fig. 27 -- Remove Filter Retainer Clip
C10704
Fig. 28 -- Filter Removal/Replacement
524J