Installation Guide
8
Model: SIG80 / SIG80M /SIG80D/ SIG110 / SIG110H / SIG110D
 ASSEMBLY INSTRUCTIONS
7
Pull existing ductwork
into Housing
Insert tab into slot
in Housing
Duct screw(M4X12)
from Parts Bag
8
9
ac
b
6
6.   Remove the fan junction box cover 
a
 . Using wire 
nuts (not supplied), connect house wires to fan 
wires 
b
 as shown in the wiring diagram on page 4. 
Wire connections are as follows: black to live switch 
wire, white to neutral, green to ground. Reattach fan 
junction box cover 
c
 .
7.   Insert housing can into the ceiling cut out. Secure 
the housing can from below by using 2 long wood 
screws through the ange into the wood support 
and 2 long wood screws through the ange into the 
joist.
Hardware
A
 Long wood screw 
8.   Attach the duct connector from the housing can 
inside, and secure using the duct screw (M4X12).
Hardware
C
 Duct Screw 
9.   Insert fan unit and secure by 3 screws.










