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The top duct work cover is composed of the
following pieces as shown in Photo 8. From
left to right:
•
top duct closing plate
•
drive bracket
•
duct
•
vented top cover
Temporarily install the top duct section as
shown in Photo 10. Use the top duct cover
piece to mark the enclosure top for the open-
ing. Alternately, Drawing 175R5639 can be
used to mark the enclosure for cut-out loca-
tion.
Photo 9. The top duct work partially assem-
bled with bottom flange
Cut the enclosure top. Do not apply gas-
ket to enclosure top (the gasket is part of
the duct work).
Instruction No: 175R5640 V3
Photo 8. Top duct assembly
Photo 10. Top duct work and enclosure
top installed
Photo 11. Enclosure top with cutout
Aug 13, 2008
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