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Mount to I-joist
Slide one hanger bar (long) into channel B on the housing and adjust as needed to
fit between framing. Hold housing in place so that the housing contacts the bottom
of the joist. Screw housing to joist at location B, (refer to Figure 8).
Screw hanger bar to housing with screw A.
Wall Installation with hanger bars only
When the product is installed on the wall,the adaptor shall be faced upward.
HAUT
Slide hanger bars onto housing and adjust as needed to fit between framing. Extend
the hanger bars to the width of the framing while holding the ventilator in place.
Secure hanger bars to framing using one screw on each end of hanger bar (refer to
Fig. 9). Screw hanger bar to housing with screw A.
Note: Ensure the tap (Fig. 2) is in vertical position before installation.
The choice of Hanger Bar A.
Distance A
14" to 23 1/2" (356mm-597mm)
19 11/16" to 23 1/2" (500mm-597mm)
Install ductwork and junction box
Remove junction box cover and secure conduit or stress relief to junction box
knock-out hole. Using connectors, connect field wiring wires to ventilating fan wires
(refer to wiring diagram), replace the junction box cover. Squeeze the ductwork to
fit the adaptor then slip onto the adapter and secure it with duct tape (not
included). Secure all the ductwork connections so that they are air tight.
The ducting from this fan to the outside of 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 air flow.
Hanger Bar
Hanger bar (short)
Hanger bar (long)
Screw A
Screw B
Screw B
Figure 8
Hanger Bar A
lead wires
connectors
7
ductwork
Squeeze
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