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22
4.2.2 VERTICAL AIR TERMINAL INSTALLATION
MAINTAIN A MINIMUM 2" SPACE BETWEEN THE AIR INLET BASE AND THE STORM COLLAR.
Fasten the roof support to the roof using the screws provided. The
A.
roof support is optional. In this case the venting is to be adequately
supported using either an alternate method suitable to the authority
having jurisdiction or the optional roof support.
Stretch the inner fl ex pipe to the required length. Slip the inner
B.
fl ex pipe a minimum of 2" over the inner pipe of the air terminal
connector and secure with 3 #8 screws. Seal using a heavy
bead of high temperature sealant W573-0007 (not supplied).
Repeat using the outer fl ex pipe, using a heavy bead of high
C.
temperature sealant W573-0002 (not supplied).
Thread the air terminal connector / vent pipe assembly down
D.
through the roof. The air terminal must be positioned vertically and
plumb. Attach the air terminal connector to the roof support, ensuring
that the top of the air terminal is 16" above the highest point that it
penetrates the roof.
Remove nails from the shingles, above and to the sides of the air
E.
terminal connector. Place the fl ashing over the air terminal connector
f i r e - p a r t s . c o m
leaving a min. 3/4" of the air terminal connector showing above the
top of the fl ashing. Slide the fl ashing underneath the sides and upper
edge of the shingles. Ensure that the air terminal connector is properly
centred within the fl ashing, giving a 3/4" margin all around. Fasten to
the roof. Do not nail through the lower portion of the fl ashing. Make
weather-tight by sealing with caulking. Where possible, cover the sides
and top edges of the fl ashing with roofi ng material.
Aligning the seams of the terminal and air terminal connector, place
F.
the terminal over the air terminal connector making sure the vent
pipe goes into the hole in the terminal. Secure with the three
screws provided.
Apply a heavy bead of weatherproof caulking 2" above the fl ashing.
G.
Install the storm collar around the air terminal and slide down to the
caulking. Tighten to ensure that a weather-tight seal between the
air terminal and the collar is achieved.
If more vent pipe needs to be used to reach the appliance see
H.
"HORIZONTAL AIR TERMINAL INSTALLATION" section.
W415-1028 / A / 08.13.12
All manuals and user guides at all-guides.com
WARNING
!
ROOF SUPPORT
INNER PIPE
AIR
TERMINAL
CONNECTOR
HIGH
TEMPERATURE
SEALANT
INNER FLEX PIPE
OUTER FLEX PIPE
AIR INLET
2"
BASE
CAULKING
STORM COLLAR
WEATHER
SEALANT
FLASHING
24.1
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