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INSTALL THE DUCTWORK
(DUCTED INSTALLATION ONLY)
NOTE: To reduce the risk of fire, use only metal ductwork .
1 . Decide where the ductwork will run between the powerpack
insert and the outside . (FIG . 1)
2 . The ducting from this fan to the outside of the building has
a strong effect on the air flow, noise and energy 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 rated airflow .
Refer to the table below to help you plan the most efficient
installation .
3 . Install wall cap or roof cap (sold separately) . Connect metal
ductwork to cap and work back towards the powerpack
insert location . Use 2" metal foil duct tape to seal the joints
between ductwork sections .
M
axiMuM duct length recoMMended to achieve
3¼" x 10"
H
orizontal
M
axiMuM
D
l
D
uct
engtH
52 ft .
43 ft .
35 ft .
*Standard elbows with 1" internal radius .
INSTALL THE WALL SWITCHES
Only use included switches . Only use wires suitable
for at least 90°C (194°F) .
1 . Unpack the wall switches from the box . Using pliers,
remove the small tab on the double rocker switch (circled
in FIG . 2) .
2 . Install both rocker switches at a convenient place for the
user . Use one 14/3 cable and one 14/2 cable to wire the
switch box to the powerpack insert (FIG . 3) .
6
80%
exhaust efficiency
3¼" x 10"
6" r
ounD
V
M
ertical
axiMuM
M
D
axiMuM
uct
WitH
l
l
uct
engtH
engtH
83 ft .
64 ft .
74 ft .
55 ft .
66 ft .
46 ft .
CAUTION
r
e
(
)*
oof or
lboW
s
W
(90°
all cap
anD
D
/
45°)
aMper
or
1
0
1
1
1
2
R
OOF CAP
POWERPACK
INSERT
24"
- 30"
MIN
MAX
ABOVE COOKING SURFACE
HH0317A
REMOVE
HD1421
RED
BLACK
WHITE
COM
GROUND
Motor
speed selection
NO. 1
NO. 2
switch
14/3 CABLE TO
14/2 CABLE TO
POWERPACK
POWERPACK
INSERT
INSERT
HE0448A
6"
ROUND DUCT
3¼"
10"
OR
X
DUCT
H
OUSE WIRING
W
ALL CAP
3¼"
10"
X
DUCT
FIG. 1
FIG. 2
On/Off
motor switch
WHITE
On/Off
light switch
FIG. 3
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