Installation Guide

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4BInstallation
1
Determining the joist width
□ Measure the distance from the center of the two
ceiling joists where you will be installing the
ventilation fan.
□ For 12 in. spaced joists, proceed to step 2. For
joist spacing 16 in. – 24 in. proceed to step 3.
NOTE: Sliding hanger bars are provided to allow for
accurate positioning of the main body between joists.
2
Installing on a 12 in. joist
3
Installing on suspension brackets
□ Use four long wood screws (CC) to attach the main
body of the fan to ceiling joists in the four locations
shown.
□ Ensure the main body is level and square to the
joists.
□ Tighten all screws.
□ Install suspension bracket II and III (C and D) on
one side of the main body using M4x12 screws
(DD).
□ Install suspension bracket I (B) on the opposite
side of the main body using M4x12 screw (DD).
D
CC
CC
B
C
CC
DD
DD
D
C
B