Using Flexible Vent Components; Horizontal Air Terminal Installation; Vertical Air Terminal Installation - Napoleon BGD42 Installation And Operation Instructions Manual

USING FLEXIBLE VENT COMPONENTS

WARNING
!
Do not allow the inside vent pipe
bunch up on horizontal or vertical
runs and elbows. Keep it pulled tight.
A 1 1/4" air gap between the liner and
outer liner all around is required for
safe operation. A spacer is required
at the start, middle and end of each
elbow to ensure this gap is maintained.
See Figure 20.
Spacers are attached to the inner fl ex
liner at predetermined intervals to
maintain a 1 1/4" air gap to the outer
fl ex pipe. These spacers must not be
removed.
Use only approved flexible
"Wolf Steel Approved Venting" as iden-
tified by the stamp only on the 7" outer
vent pipe.
NOTE: Eight (8") inches is the minimum bend radius allowed for the
8" diameter fl exible vent pipe.

HORIZONTAL AIR TERMINAL INSTALLATION

1. Stretch the 5" diameter fl exible
taking into account the additional length needed for the fi nished wall
surface. Slip the liner 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 not supplied).
2. Using the 8" diameter fl exible
combustion air sleeve of the air terminal and secure with 3 #8 screws.
Seal as before.
FIGURE 21
The air terminal mounting plate may be recessed into the exterior
wall or siding by 1½", the depth of the return fl ange.
For safe and proper operation of the fireplace, follow the venting
instructions exactly.
All inner exhaust and outer intake vent pipe joints may be sealed
using either Red RTV high temp silicone sealant or Black high
temp Mill Pac with the exception of the fireplace exhaust flue
collar which must be sealed using Mill Pac (not supplied).
3. Insert the vent pipe assemblies
the required clearance to combustibles. Holding the air terminal (let-
tering in an upright, readable position), secure to the exterior wall and
make weather tight by sealing with caulking (not supplied).
ELBOWS
to
SPACERS
FIGURE 20
vent pipe kits marked:
vent pipe to the required length
vent pipe, slide over the outer
through the fi restop maintaining
4. Apply a heavy bead of the high temperature sealant W573-0007
(not supplied), Mill Pac, to the inside of the 5"
1" from the end. Slip the vent pipe
vent collar and secure with 3 #8 screws.
5. Using the 8" diameter fl exible
0002 (not supplied), slide a minimum of 2" over the fi replace combus-
tion air collar and secure with 3 #8 screws.
6. If more liner needs to be used to reach 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.
7. The vent heat shield
must be installed only when
terminating horizontally. Re-
move the two screws nearest
the vent collars on the top of
the fi replace. Align the vent
heat shield (supplied) and
secure. Adjust the vent heat
shield to touch the firestop
spacer.

VERTICAL AIR TERMINAL INSTALLATION

FIGURE 24a
the vent pipe
sleeve of the air terminal connector and secure
with 3 #8 screws. Seal using a heavy bead of
the high temperature sealant W573-0007 (not
supplied).
3. Repeat using the outer fl ex
4. Thread the air terminal connector / liner as-
sembly down through the roof. The air terminal
must be located vertically and plumb. Attach
the air terminal connector to the roof support,
ensuring that the top of the air terminal is 16"
DO NOT CLAMP
above the highest point that it penetrates the
THE FLEXIBLE
roof.
LINER
FIGURE 24b
vent pipe approximately
a minimum of 2" over the fi replace
vent pipe, apply sealant W573-
FIGURE 22
FIGURE 23
1. Fasten the roof support
to the roof using the screws
provided. The roof support
is optional. In this case the
venting is to be adequately
supported using either an al-
ternate method suitable to the
authority having jurisdiction or
the optional roof support.
2. Stretch the inner vent pipe
to the required length. Slip
a minimum of 2" over the inner
vent pipe.
W415-0381 / H / 12.07.07
15