Page 9
Retrofit Installation
8
Secure
Mounting
Frame
9
Snap-in Housing
1
10
Attach Flange, Transition, and Ducting
Pull existing
ductwork
into Housing
Pull existing wiring into
Housing as it is inserted
into Mounting Frame
4" Ducting
1
Tape
Transition
Screws set
aside
in Step 7
2
Align
2
Tape
Flange
RB80L
RB110L Installation Guide
n
4
Screw from
Parts Bag
3
Insert tab into
slot inside
Housing