manual

10
www.zephyronline.com
Installation – Custom Hood Preparation & Installation
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during installation to prevent scratches or damage
to the stainless steel.
2. Prepare custom hood enclosure by following the
dimensions in FIG. 1.
3. Install liner into custom hood. FIG. 2, Page 11.
WARNING: Make sure the surface you are securing the
liner to is capable of holding the weight of AK90. Failure
to do so may cause personal injury or damage to cooking
surface or counter. Wood blocking may need to be added
to cabinet base if additional support is needed.
4. Secure front panel to custom hood. FIG. 3, Page 11
5. Finalize electrical and duct work. Seal duct work
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Note: If access to the top of the liner is not available
after installation, duct work and electrical connection
may need to be installed prior to installing the liner.
6. Power on the liner, check for leaks around duct tape
and test for proper operation.
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CAUTION: At least two installers are
required due to the weight and size of the
hood.
!
FIG. 1
If possible, power up and test all functions prior to installation.
C
A
D
E
2 - 1/ 1 6 ”
B
cut-out
Plywood Base
3/4''
Side Panel Thickness:
Recommended
3/8” Wide Flange
17 1/2” - 20 1/2” 17 1/8” - 20 1/8”
Without Backboard With Backboard**
Inside Depth* (B)
Inside
Width* (A)
Custom Hood
Exterior WidthModel
30 inches
36 inches
AK9028AS
AK9034AS
AK9028AS
AK9034AS
28 1/2”
34
1/2”
Without Backboard With Backboard**
Model
Cut-Out
Depth (D)
26-5/8”
10-
1/2”
Cut-Out
Width (C)
Rear Base
Depth
1-3/8”1”
(E)
*Dimension does not include 3/8” wide flange around liner.
**Assumes backboard thickness of 3/8”
FIG. 1
The ducting from this fan to the outside
of the building has a strong effect
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use of the fan. Use the shortest,
straightest duct routing possible for
best performance, and avoid installing
the fan with smaller ducts than
recommended. Insulation around the
ducts can reduce energy loss and
inhibit mold growth. Fans installed with
existing ducts may not achieve their
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