1. Before installation, open the orifice cover. Secure the fan
body to adaptor by using thumb screw. (Fig.1)
Fig.1
Fan body
Thumb screw
Orifice cover
Suspension
bracket
I
Suspension
bracket
III
Suspension
bracket
I
Suspension
bracket
III
Suspension
bracket
I
Fig.2-1
Fig.2-2
Fig.2-3
Fig.2-4
Fan body
Fan body
Fan body
Fan body
Suspension
bracket
I
Suspension
bracket
III
Suspension
bracket
II
6
Remove the tape
IMPORTANT:
Adaptor
Remove the tape from damper and adaptor
before installation.As show below:
Damper
2-Screw (M4X8)
I
Suspension bracket
III
Suspension bracket
II
If spacing A on center joists is 24 inches, connect
suspension bracket
and
(C4 mark to C4 mark)
as show below :
II
III
Press and hold the claw of orifice cover to open
the orifice cover.
Orifice cover
Claw
2
1
2. Insert the supension bracket into the fan body and
adaptor. (select the suspension bracket as show below)
Spacing A on center Joists Insert Suspension bracket
Refer to Fig. 2-1
Refer to Fig. 2-2
Refer to Fig. 2-3
Refer to Fig. 2-4
12 inches
16 inches
19.2 inches vertical joists
24 inches
Joists
A