RDFU – Installation Guide
Page 4
L
snap!
snap!
L
M
Step 10:
RB, XB, ZB, RN, XN, ZN Models ONLY
10. Slide
MOUNTING FRAME (L)
onto fan housing. Pull
frame up around housing until it snaps into place.
Secure mounting frame to fan housing with
(2) #8
X 3/8” FLAT HEAD SHEET METAL SCREWS (M)
supplied in the fan parts bag.
Step 11:
QT Models ONLY
11. Attach
MOUNTING CHANNELS (N)
to housing using
SCREWS (O)
supplied in fan parts bag.
Insert
SLIDE BRACKETS (P)
into mounting channels.
N
O
P
SCREW FROM
PARTS BAG
INSERT
TAB INTO
SLOT IN
HOUSING
TOP AND BOTTOM FLANGES
REMAIN OUTSIDE OF HOUSING
12. Install
6” DUCT CONNECTOR (Q)
to fan housing and
secure with screw supplied in fan parts bag.
Q
