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Installing External Supply Plenums
NOTE
The supply plenum is provided with plenum clips that
assist in hanging the plenum. Do not hang plenums
using only the clips. Threaded rod or uni-strut must
also be used.
Using the Supply Plenum Clip
1. Fasten the hanging clip to the
supply plenum. Two clips are
needed for plenums less than
96 in. (243.84 cm) long and
three for plenums greater than
96 in. (243.84 cm). The third
clip is located in the center
of the plenum length. If there is a cabinet, the clip
should be 23.5 in. (59.69 cm) from the outside edge
of the cabinet.
11.5 IN.
(29.2 CM)
23.5 IN.
(59.69 CM)
HANGING CLIP COULD BE 23.5 INCHES (59.69 CM) FROM END IF THERE IS
A UTILITY CABINET ON THE END OF THE HOOD
2. Using the c-clamps provided, clamp the supply
plenum hanging clip to the hood standing seam.
Option: Drill and bolt a 1/4-20 SS bolt through the
clip and hood standing seam.
"C" CLAMP
HOOD STANDING SEAM
HOOD FRONT
®
Supply Plenum Clip
TOP VIEW
HOOD
FOR PLENUMS <= 96 INCHES (243.8 CM)
2 CLIPS ARE NEEDED
FOR PLENUMS > 96 INCHES (243.8 CM)
3 CLIPS ARE NEEDED
THE THIRD CLIP IS LOCATED
IN THE CENTER OF THE
PLENUM LENGTH
ATTACH HANGING CLIP TO
HOOD STANDING SEAM WITH
THE SUPPLIED "C" CLAMPS
(OPTIONAL: DRILL AND BOLT A
1/4-20 SS BOLT THROUGH
THE CLIP AND HOOD STANDING
SEAM)
TOP VIEW
SUPPLY PLENUM
HANGING CLIP FASTENED TO PLENUM SHELL
HANGING CLIP
SUPPLY PLENUM SHELL
Using the Uni-strut
THREADED ROD
THE UNI-STRUT (U-CHANNEL) THAT HOLDS THE
HOOD UP CANTILEVERS OVER THE END OF
THE HOOD AND IS MOUNTED TO THE ASP
HANGER BRACKETS
END VIEW
HOOD
The uni-strut (supplied by others) supporting the hood,
may be cantilevered over the end of the hood and used
to mount to the hanger brackets on the supply plenums.
Using Hanger Brackets and Threaded Rod
ASP
Air Curtain Supply Plenum
1. Insert 1/2 in. (12.7 mm) diameter threaded rod (by
others) into hanger brackets on the supply plenum
top. Raise and hang the external supply plenum from
adequate roof or ceiling supports.
2. The external supply plenum should be resting lightly
against the hood. The hood is used to position the
plenum only, it is not intended to support the plenum.
All hanger brackets must be used and the plenum
must be properly supported while lifting to prevent
damage or distortion. The supply plenum must be
hung level to operate properly.
3. It is recommended that caulk be applied at the
mating seams and surfaces of the plenum, the hood,
and the wall. If the supply plenum is next to a wall,
you will also need to caulk around the surface next to
the wall. Caulk the joints with NSF Approved silicone
caulk (GE SCS1009, or its equivalent). The caulk is
not provided.
Installing the Supply Duct Collar to the Plenum
Place the duct collar(s) over the opening, fastening
with tack-welds at 1 to 2 in. (2.54 to 5.08 cm) intervals,
or sheet metal screws at 3 to 6 in. (7.62 to 15.24 cm)
intervals.
Kitchen Hoods • Type I and Type II
THREADED ROD
SUPPLIED BY OTHERS
HSP or VSP
Variable Supply Plenum
7
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