Using Flexible Vent Components; Horizontal Air Terminal Installation - Napoleon LHD50N Installation And Operating Instructions Manual

4.2

USING FLEXIBLE VENT COMPONENTS

DO NOT ALLOW THE INNER FLEX PIPE TO BUNCH UP ON HORIZONTAL OR VERTICAL RUNS AND ELBOWS.
SPACERS ARE ATTACHED TO THE INNER FLEX PIPE AT PREDETERMINED INTERVALS TO MAINTAIN AN EVEN
AIR GAP TO THE OUTER FLEX PIPE. THIS GAP IS REQUIRED FOR SAFE OPERATION. A SPACER IS REQUIRED
AT THE START, MIDDLE AND END OF EACH ELBOW TO ENSURE THIS GAP IS MAINTAINED. THESE SPACERS
ELBOW

4.2.1 HORIZONTAL AIR TERMINAL INSTALLATION

Stretch the inner fl ex pipe to the required
A.
length taking into account the additional
length needed for the fi nished wall surface.
Slip the vent pipe a minimum of 2" over the
inner sleeve of the air terminal and secure
with 3 #8 screws. Apply a heavy bead of the
high temperature sealant W573-0007 Mill
Pac (not supplied).
Using the outer fl ex pipe, slide over the outer
B.
combustion air sleeve of the air terminal
and secure with 3 #8 screws. Seal using
high temperature sealant W573-0002 (not
supplied).
Insert the vent pipes through the fi restop
C.
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).
If more vent pipe needs to be used to reach
D.
the fi replace, couple them together as
illustrated. The vent system must be supported
approximately every 3 feet for both vertical and
horizontal runs. Use noncombustible strapping to maintain the minimum 1" clearance to combustibles.
The air terminal mounting plate may be recessed into the exterior wall or siding no greater than the depth
of its return fl ange.
KEEP IT PULLED TIGHT.
MUST NOT BE REMOVED.
For safe and proper operation of the appliance, follow the venting
instructions exactly.
All inner fl ex pipe and outer fl ex pipe joints may be sealed using high
temperature sealant W573-0002 (not supplied) or the high temperature
sealant W573-0007 Mill Pac (not supplied). However, the high temperature
SPACERS
sealant W573-0007 Mill Pac (not supplied) must be used on the joint
connecting the inner fl ex pipe and the exhaust fl ue collar.
Use only approved fl exible vent pipe kits marked:
"Wolf Steel Approved Venting" as identifi ed
by the stamp only on the outer fl ex pipe.
WARNING
!
#10x2"
SCREWS
HI-TEMP
SEALANT
OUTER
FLEX PIPE
22.1
OUTER FLEX
PIPE
CAULKING
INNER FLEX
PIPE
2" OVERLAP
HI-TEMP
SEALANT
#8 X 1/2" SELF DRILLING
SCREWS & WASHERS
INNER COUPLER
OUTER COUPLER
FLEX PIPE
INNER
FLEX PIPE
23.3
W415-0745 / B / 06.08.10
21
OUTER