27
W415-1004 / B / 08.10.12
4.3.1 HORIZONTAL AIR TERMINAL INSTALLATION
A.
Move the appliance into position.
Measure the vent length required
between terminal and appliance
taking into account the additional
length needed for the
fi
nished
wall surface and any 1¼” overlaps
between venting components.
B.
Apply high temperature sealant W573-
0007 (not supplied) to the outer edge of the
inner collar of the appliance. Attach the
fi
rst
inner rigid pipe component and secure using 3 self
tapping screws. Repeat using the outer rigid pipe.
C.
Insert the vent pipes through the
fi
restop maintaining the required
clearance to combustibles. Holding the air terminal (lettering in an upright,
readable position), secure to the exterior wall and make weather tight by sealing with caulking (not
supplied).
The air terminal mounting plate may be recessed into the exterior wall or siding no greater than the
depth of the return fl ange.
26.3
SCREWS
#10x2"
OUTER
RIGID
PIPE
CAULKING
INNER
RIGID
PIPE
2” OVERLAP
HI-TEMP
SEALANT
4.3.2 EXTENDED HORIZONTAL AND CORNER AIR TERMINAL INSTALLATION
A.
Follow the instructions for "HORIZONTAL AIR TERMINAL INSTALLATIONS" section.
B.
Continue adding components alternating inner rigid pipe and outer rigid pipe. Ensure
that all inner rigid pipe and elbows have sufficient vent spacers attached and each
component is sealed and securely fastened to the one prior. Attach the inner telescopic
sleeve to the vent run. Repeat using the outer telescopic sleeve. Seal and secure as
before. To facilitate completion, attach inner and outer couplers to the air terminal.
C.
Install the air terminal. See “HORIZONTAL AIR TERMINAL INSTALLATION” section.
TELESCOPIC
SLEEVE
VENTING
AIR TERMINAL
20"
COUPLER
48.1