Nortec MH Series User Manual
Page 20
17 | Installation
Step 4 – Block Side Panels
Step 5 - Seal Around Duct
Air
Flow
Air
Flow
Side seal
Clamping
bars
Top Seal
Ensure both side panels
are square to drain pan
edge.
Insert blocks (by others)
between side panel and
duct wall to keep them
in place. Shim as
required.
Secure blocking material
to side panels with
screws (by others) using
holes provided in side
panels.
Tighten all previously
installed screws.
Figure 16: Square and Block Side
Panels.
Seal air gap between
side panels and duct
walls as well as between
top bracket and duct
ceiling with either EPDM
sealing profile (optional)
or sheet metal angles
(by others).
To install sealing profiles
cut to duct height and
duct width plus
allowance.
Attach profiles to side
panels and top bracket
with clamping brackets
and self-tapping screws
#10 x 3/4" supplied.
Trim profiles to fit and
attach them to the duct
walls and ceiling using
brackets and screws
Figure 17: Seal Around Duct