Carrier 58HDX - Page 29

8" (203.2mm)* MIN. L
20’ (6.1m) MAX
"18 in. (457.2mm) Minimum for protective material should be attached and sealed (if necessary) to
cold
climates
[sustained
0°F
aye
: :
(17°C)
and
below
for
24
or
the
building
before
attaching
the
vent
terminal.
more consecutive hours]
\
OVERHANG
\ 2 Coan MIN
ay
EXHAUST
\ GRADE LEVEL
7
wi
~
rn
SNOWLEVEL
A07716 n. (304.8mm) MIN. Ground
Fig.
22
-
Sidewall
Termination
with
Exterior
Risers
to
Get
oN
~_ybevel
OR
Snow
Level
Above Snow Level or Grade Level
. . . SIDE VIEW
Using Exterior Risers FRONT VIEW
1. Install elbows and pipe to form riser as shown in Fig. 22. OQ)
2. Secure vent pipe to wall with galvanized strap or other rust
resistant material to restrain pipe from moving. (204.8mm)
12in. (304.8mm
3. Insulate pipe with Armafiex or equivalent moisture resist- "
N77
ant closed cell foam insulation or fiberglass insulation if ry
boxed in and sealed against moisture. L|
Vent Termination Shielding ow!
Same Joist
Space 25-23-73
Under certain wind conditions some building materials may be
affected by flue products expelled in close proximity to A07699
unprotected surfaces. Sealing or shielding of the exposed surfaces Fig. 23 - Recommended Alternate Installation
with a corrosion resistant material (such as aluminum sheeting) for Sustained Cold Weather
may be required to prevent staining or deterioration. The (0°F & below for 24 or more consecutive hours)
25-00-06
A = 12" (304.8mm) Above roof or snow accumulation level
B = 8" (203.2mm) Min., 20’ (6.1m) Maximum, except in areas
with extreme cold temperatures [sustained 0°F(-17°C) and
below for 24 or more consecutive hours], the 18’ (457.2mm)
Min.
A07717
Fig. 24 - Rooftop Termination
29