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BACKSUPPLY CANOPY STYLE HOOD
Using the Uni-Strut - Option #2
1. The uni-strut (supplied by others) that holds the
hood up cantilevers over the end of the hood and
is mounted to the supply plenum hanger brackets.
Threaded Rod
Option #2
The uni-strut (U channel) that holds the hood up,
cantilevers over the end of the hood and is
mounted to the Air Curtain Supply Plenum (ASP)
hanger brackets
Hanger Bracket
END VIEW
Exhaust Plenum
VARIABLE SUPPLY PLENUM CANOPY STYLE HOOD
Hood
Duct cut out area
Option #1 : Hanging Clip
'C' Clamp
Hood Standing Seam
Hanging Clip bolted to plenum shell
Front of Hood
Variable Supply Plenum
HOOD FRONT
SUPPLY PLENUM SHELL
Hood Length
(HSP or VSP)
Note: Supply plenums are standardly supplied with hanging clips (Option #1).
If Option #1 is not applicable, use Options #2 or #3
Top of Hood
Exhaust Plenum
Duct cut out area
External Supply
Plenum Type
(lbs/ft)
Back Supply
Air Curtain Supply
• 14 inch
Air Curtain Supply
• 24 inch
Variable Supply
Horizontal Supply
10
Model GGH2O
BACKSUPPLY CANOPY STYLE HOOD
Option #3
Threaded Rod
supplied by others
BACKSUPPLY CANOPY STYLE HOOD
14.0
ATTACHED AIR CURTAIN CANOPY STYLE HOOD
3.0
Hanging Clip
ATTACHED AIR CURTAIN CANOPY STYLE HOOD
8.0
8.0
Air Curtain Supply Plenum
(ASP)
External Supply Plenum Weights, Dimensions and Supply Rates
Weight
Width
(kg/ft)
(in)
(mm)
35.0
15.878
6
152.4
9.5
4.31
14
355.6
12.5
5.67
24
609.6
16.0
7.26
12
304.8
14.0
6.35
12
304.8
Using the Threaded Rod - Option #3
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
BACKSUPPLY BACKSHELF HOOD
used and the plenum must be properly supported
while lifting to prevent damage or distortion. The
UTILITY
supply plenum must be hung level to operate
CABINET
properly.
(Optional fastening of supply plenum to hood. See
3.0
directions).
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
11.5
surface next to the wall. Caulk the joints with
Hood
NSF Approved silicone caulk (GE SCS1000, or its
Width
23.5
equivalent). The caulk is not provided.
Installing the Supply Duct Collar to the
Plenum
Option #1
1. Place the duct collar(s) over the opening, fastening
Hanging clip could be 23.5 inches from end if there is a utility cabinet on the
end of the hood.
with tack-welds at 1 to 2 in. (2.54 to 5.08 cm)
ATTACHED AIR CURTAIN CANOPY STYLE HOOD
intervals, or sheet metal screws at 3 to 6 in.
(7.62 to 15.24 cm) intervals.
Supply duct connection to be
tack-welded with 1 to 2 inch
tacks or sheet metal screws
at 3 to 6 inch spacing to hood.
Length per
Height
(in)
(mm)
(ft)
Variable Variable 3 to 16
10
254
3 to 16
10
254
3 to 16
18
457.20
3 to 16
18
457.20
3 to 16
BACKSUPPLY BACKSHELF HOOD
Option #2
Uni-Strut supplied by others
TOP VIEW
HOOD
Option #1
For plenums < than or = 96 inches
Two (2) clips are needed.
For plenums > than 96 inches
Three (3) clips are needed.
The third clip is located in the
center of the plenum length.
Option #1
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
ATTACHED AIR CURTAIN CANOPY STYLE HOOD
a continuous liquid-tight weld to hood.
TOP VIEW
SUPPLY PLENUM
Hanger Bracket
Supply Duct
Connection
section
Recommended
Supply Rate
(m)
.91 to
145 cfm/ft
4.88
(246.36 m
.91 to
110 cfm/ft
4.88
(186.89 m
.91 to
145 cfm/ft
4.88
(246.36 m
curtain
(0-135.92 m
.91 to
4.88
80-160 cfm/ft
face
(135.92 -271.84 m
.91 to
150 cfm/ft
4.88
(254.85 m
Exhaust Duct
Connection
Exhaust duct connection is to be
3
/hr)
3
/hr)
3
/hr)
0-80 cfm/ft
3
/hr)
3
/hr)
3
/hr)
®
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