Installation - Mechanical
22
CLCH-SVX013B-EN
15. Install the section-to-section screws inserting the
appropriate screws through the overlapping flanges
using a powered impact gun and taking care not to
strip the screws. Outdoor air handlers will ship with a
seam cap that is to be installed over the section-to-
section seams. Factory-supplied butyl tape must be
continuously
applied over the top and both side
seams prior to seam caps being applied. See
.
Figure 27.
Section-to-section seam cap installation
Detail C
(Overhang not shown)
Wide roof strip
Cover end of upturned
roof flange with field-
supplied foil tape
Butyl tape
Seam cap
See Detail C
One or two-piece seam cap
provided based on unit width
16. For outdoor units, a wide roof strip is provided. Apply
aluminum tape to block off open cavity beneath the
overhang angle and roof strip on both sides of unit at
the shipping split to prevent unwanted pests from
entering.
Pipe Cabinet Installation
1. After air handler is completely installed and checked to
ensure that the unit is level and square, remove cross
base member on pipe cabinet base by removing the
four bolts and nuts.
2. Add 1-inch x 7.5-inch Armacell
®
gasketing to inside of
baserail and add 3/8-inch x 3/8-inch white Butyl
®
tape
to face of pipe cabinet. See
Summary of Contents for Performance Climate Changer PSCA
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