Adjustment and maintenance operations |
45
ONE self-adhesive foam strip must be placed on the verti-
cal frame of EACH filter to avoid major air leakage through
the vertical opening between 2 filters. Please note – only
ONE self-adhesive foam strip must be placed on the verti-
cal frame of EACH filter – Please establish the practical
rule that the self-adhesive foam strip is placed on the ver-
tical side that is visible from the inspection side. Those
very important self-adhesive foam strips are usually not
delivered by the suppliers of filters. The customer must
order those self-adhesive foam strip from a supplier of
foam strips. Width of the foam strip is about 15 mm and
thickness of foam strip must be exactly 8 mm. If the thick-
ness of the foam strip is less than 8 mm, there will be a
gap for leakage between the filters. If the foam strip is
more than 8 mm the row of filters in the U-profile will be
too wide making it impossible to close the inspection
door. Note! The staff must have the self-adhesive foam
strips available when they go to the air handling unit.
Without those self-adhesive foam strips, any change of
filters is impossible.
Remove the protection from the self-adhesive side of the
strip.
Place the self-adhesive strip on one vertical side of the
filter fame
Check that the end of the strip is fully even with the hori-
zontal side of the filter frame.
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