Apply Caulk To Seal; Flashing Installation Notes - Trane CSAA Installation, Operation And Maintenance Manual

Installation - Mechanical
Figure 60. Apply caulk to seal
Figure 61. Flashing installation for perpendicular-to-airflow piece if second level of unit is shorter than first level
(9) Flashing
(4) Screw:
10-16 x 0.750
self-driller

Flashing Installation Notes

• Side flashing will have locating features:
– Right side front and back pieces will have two
diamonds and a tab. Intermediate right side pieces
(if present) will have two diamonds and length of
part will match the ship group length and mounting
holes will match hole pattern on the unit.
48
Before installing
flashing apply caulk
(14) all along inside
of this seam for
complete sealing.
Apply caulk (14)
all along this seam
after assembly.
(8) Tape:
0.012T x 1.00W
gray Butyl
Roof strip, outdoor
5. For unit size 50 with a two piece roof, additional sealing
is required in the middle where the first level roof
sections meet with second level baserail. Seal vertical
flanges of roof with caulk (Item 8) prior to installing
flashing. Once flashing is installed, apply caulk (Item 8)
to joint, then install direction of airflow roof strip and
smooth caulk into crevices to ensure a water tight seal.
See Figure 61.
Vertical seam cap
Apply caulk (14) to vertical seams
on split roof panels and where
roof strip meets second level unit
– Left side front and back pieces will have one
diamond and a tab. Intermediate left side pieces (if
present) will have one diamond and length of part
will match the ship group length and mounting
holes will match hole pattern on the unit.
(8) Tape
0.012T x 1.00W
gray Butyl
(9) Flashing
(4) Screw:
10-16 x 0.750
self-driller
CLCH-SVX07K-EN