Lennox ELITE Series Installation Instructions Manual page 27

FIELD−SUPPLIED WALL TERMINATION OR
(15F74) WALL RING TERMINATION KIT
NOTE − FIELD−PROVIDED
REDUCER MAY BE
REQUIRED TO ADAPT
LARGER VENT PIPE SIZE
TO TERMINATION
C
* WALL
SUPPORT
C
See venting table
arrangement.
* Use wall support every 24" (610 mm). Use two wall supports if
extension is greater than 24" (610 mm) but less than 48" (1219 mm).
NOTE − One wall support must be 6" (152 mm) from top of each pipe
(intake and exhaust)
A−Minimum clearance
above grade or average
snow accumulation
B−Maximum horizontal
separation between
intake and exhaust
C−Minimum from
end of exhaust to
inlet of intake
D−Maximum exhaust
pipe length
E−Maximum wall support
distance from top of each
pipe (intake/exhaust)
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1/2" (13mm) ARMAFLEX
INSULATION IN UN-
CONDITIONED SPACE
SIZE TERMINATION
PER TABLE 6
D
B
STRAIGHT
APPPLICATION
A
1/2" (13mm) ARMAFLEX INSULATION
IN UNCONDITIONED SPACE
D
E
B
A
EXTENDED
APPLICATION
5
for maximum venting lengths with this
2" (51mm)
3" (76mm)
Vent Pipe
12" (508MM) 12" (508MM)
6" (152MM)
8" (203MM)
12" (305MM) 20" (508MM)
6" (152MM)
FIGURE 30
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NOTE − FIELD−PROVIDED
REQUIRED TO ADAPT
LARGER VENT PIPE SIZE
* WALL
SUPPORT
See venting table
arrangement.
* Use wall support every 24" (610 mm). Use two wall supports if
extension is greater than 24" (610 mm) but less than 48" (1219 mm).
NOTE − One wall support must be 6" (152 mm) from top of each pipe
(intake and exhaust)
Vent Pipe
A−Minimum clearance
above grade or average
snow accumulation
B−Maximum horizontal
separation between
6" (152MM)
intake and exhaust
C−Minimum from
end of exhaust to
8" (203MM)
inlet of intake
D−Maximum exhaust
pipe length
E−Maximum wall support
distance from top of each
6" (152MM)
pipe (intake/exhaust)
Page 27
FIELD−SUPPLIED WALL TERMINATION OR
(15F74) WALL RING TERMINATION KIT
With INTAKE ELBOW
REDUCER MAY BE
1/2" (13mm) ARMAFLEX
TO TERMINATION
D
B
C
A
1/2" (13mm) ARMAFLEX INSULATION
IN UNCONDITIONED SPACE
E
A
C
5
for maximum venting lengths with this
2" (51mm)
Vent Pipe
12" (508MM)
6" (152MM)
6" (152MM)
12" (305MM)
6" (152MM)
FIGURE 31
INSULATION IN UN-
CONDITIONED SPACE
SIZE TERMINATION
PER TABLE 6
STRAIGHT
APPPLICATION
D
B
EXTENDED
APPLICATION
3" (76mm)
Vent Pipe
12" (508MM)
6" (152MM)
6" (152MM)
20" (508MM)
6" (152MM)