PLAN THE INSTALLATION
1. Do not use in a cooking area. 2. Two ways to connect ductwork to a factory-shipped unit
ASSEMBLY INSTRUCTIONS
1. Before installation, you need to know:
Note: Hanger bar short only can slide into channel A.
2.Mount with mounting holes and hanger bar
Slide one hanger bar into the channel on the housing and adjust to fit
between framing. Hold housing in place so that the housing contacts the
bottom of the joist. Screw housing to joist through hole A and hole B.
Screw the hanger bar onto the other side of joist through the hole (refer
to diagram at right). Screw hanger bar to housing with screw A.
Hanger Bar Options
Distance A
Hanger Bar
Channel
13 1/4 in to 15 1/2 in (336mm-394mm)
Hanger bar (short)
Channel A (Fig. 1)
16 1/2 in to 18 7/8 in (419mm-480mm)
Hanger bar (long)
Channel B (Fig. 2)
3.Mount with hanger bars only
Slide hanger bars onto housing and adjust to fit between framing.
Extend the hanger bars to the width of the framing. Holding the fan in
place, position the hanger bar tabs close to the bottom edge of the
framing. Secure hanger bars to framing using one screw on each end of
hanger bar (refer to the right diagram). Screw hanger bars to housing
with screw A.
Hanger Bar A Option
Distance A
Hanger Bar A
14 in to 23 1/2 in (356mm-597mm)
Hanger bar (short)
21 1/4 in to 23 1/2 in (540mm-597mm)
Hanger bar (long)
4. Mount to I-joist
Slide one hanger bar (long) into channel B on the housing and adjust to
fit between framing. Hold housing in place so that the housing contacts
the bottom of the joist. Screw housing to joist through hole A and hole B.
Screw the hangar bar onto the other side of joist through the hole (refer
to diagram at right). Screw hanger bar to housing with screw A.
READ AND SAVE THESE INSTRUCTIONS
Installer: Leave this manual with the homeowner
AP90-SL, AP90H-SL
2
