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Installation and Maintenance 21
Pipe Cabinet (Chase) Installation
Installation of the cabinet will be different depending
on the extent of the piping installation. Follow the
appropriate instructions below.
INSTALLATION OF THE PIPE CHASE CABINET
REQUIRES ASSEMBLY OF THE CURB AND
INSTALLING THE CABINET TO BOTH THE CURB AND
THE UNIT AS DESCRIBED BELOW.
THE PIPE CABINET SHOULD BE SUPPORTED BY
CHAINS, SPREADER BAR, OR OTHER MEANS (SEE
LIFTING INSTRUCTIONS SECTION) WHEN
INSTALLING.
MOUNTING TAPE AND HARDWARE ARE LOCATED
INSIDE THE UNIT.
1 Assemble the pipe cabinet curb and attach to the
roof or mounting surface.
2
If piping is not already run through the roof, follow
steps 2 through 5 only.
First remove the paper
backing from the butyl tape on the Z bar and pipe
chase side panels. (A gasket should already be in
place from the curb installation.) Set the cabinet
on top of the curb.
Figure 16
Pipe Cabinet Installation
3 Attach the Z bar to the unit side panel with #10
self-drilling screws
(Figure 16)
.
4 Attach the Z bar to the gutter with #10 screws.
NOTE: USE ALL HOLES DRILLED IN THE
ATTACHMENT FLANGES.
5 Attach the pipe cabinet side (attachment) flanges
to the unit panel with #10 screws.
6
If piping is already run through the roof, follow
steps 6 through 13
. First remove the Z bar from
the pipe cabinet.
7 Remove the paper backing from the butyl tape on
the Z bar and set the Z bar on top of the gutter
8 Attach the Z bar to the unit side panel with #10
screws.
9 Attach the Z bar to the gutter with #10 screws.
10 Remove the paper backing from the butyl tape on
the pipe chase side panels. Set the cabinet on top
of the curb
(Figure 17)
.
Figure 17
Pipe Cabinet Attachment
NOTE: USE ALL HOLES DRILLED IN THE
ATTACHMENT FLANGES.
11 Attach the pipe cabinet side flanges to the unit
panel with #10 screws.
12 Attach the pipe cabinet base rail to the Z bar with
bolts provided.
13 Apply caulk between the Z bar, the cabinet side
flanges, the base and around the drain connection
hole.
Z Bar
Z Bar Attachment
Angle
Pipe Cabinet
Base Rail
Gutter
Gutter
Unit Side Panel
Panel Removed
to Show Z Bar
Attachment
Flange