Installation - Mechanical
CLCH-SVX013B-EN 25
to be connected to the air handler by the installing
contractor. See Figure 30.
Note: It is required that the hoods be sealed to the unit
using factory-provided butyl/caulk tape.
Figure 30. Hood installation
AHU outdoor roof
Butyl caulk tape
1.00 W x .125T
Hood
Nut-Hex .31-18
Detail A
Screw self-driller
10-16 x .750
or
1/4-in. x .750
Butyl caulk tape
1.00 W x .125T
Nut-Hex .31-18
Bolt
0.313-18 x .750 Hex
Bracket Support
Angle Hood Support
(when required)
Bolt .313-18 x .750 Hex
Bracket support
Stacked Outdoor Unit Assembly
Assembly Hardware
Table 6. Parts list for outdoor stacked units
Item Description Item Description
1 Gasket: 1.00T x 4.00W 9 Guard: perpendicular to airflow flashing
2 Bracket: Stacked unit 12 Guard: Direction of airflow flashing
3 Screw: 0.313-18 x 0.875 sheet metal 13
Guard: Flashing seam cover
4 Screw: 10-16 x 0.750 self driller 14 Adhesive/sealant: Flex polyurethane
5 Tape: Butyl 0.38T 15
Bracket: Hood support
6 Tape: Ribbed Butyl 16 Angle: Hood support
7 Plate: Vertical seam cap 17
Screw: 0.250-14 x 0.750 self driller
8 Tape: 0.12T x 1.00W, gray Butyl
Unit Assembly
1. See Figure 31. Apply gasket (Item 1) on top of lower
unit. Compress gasketing to ensure a good air seal
between upper and lower sections.
2. Place upper unit on lower unit.
3. Remove lifting lugs from top unit and attach stacking
brackets
(Item 2) to top and bott
om units using screws
(Item 3 and Item 4). See Detail A in Figure 31. Stacking
brackets (Item 2) are to be used
on the right and left
sides at each shipping split section end and also on
front and back of the unit.
4. Apply Butyl tape (Item 5) to on
e side of the ship
ping
split section.
5. Slide shipping split sections together, pulling tight
u
sing l
ifting lugs and threaded rod on bottom and
straps or pipe clamps on top.
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