6
ASSEMBLY INSTRUCTIONS (Continued)
a
2.
If this fan is not replacing an existing fan, be sure to
cut a 8 in. x 8.25 in. opening for the fan body.
1
a
b
c
2
3
9.4"
9.4"
8.25 in.
8 in.
Joist
w
e
r
c
S
Ø4×25
4
Model:
VFB80HLED2
EXISTING CONSTRUCTION–ACCESSIBLE
E
V
O
B
A
M
O
R
F
1. Remove existing fan. Measure the ceiling opening to
ensure it is large enough to accommodate the new
fan (8 in. x 8.25 in.)
3. Place housing in opening so that its bottom edge is
flush with finished ceiling. Screw housing to joist
through lowest holes in each mounting flange.
Insert the duct (not provided) into the duct connector
and tape all ductworks connection to make them
secure and air tight.
Install the duct with a gradient 1°~2° to the outside.
1. R
en
fa
emove exist
nsure it is lar
an (9 in. x 9 in
ing fan. Mea
rge enough t
n. suggested
asure the ceil
to accommod
d)
ling opening
date the new
to
w
9.4"
9.4"
9 in.
9 in.
1
EXISTING CONSTRUCTION–ACCESSIBLE
FROM BELOW (No Attic Access)
4.
Gradient
1
º
~2
º
