Lennox G51MP?48C?090 User Manual

Page 30
FIGURE 29
12" (305) ABOVE
AVERAGE SNOW
ACCUMULATION
EXHAUST
EXHAUST
TERMINATION
INTAKE
TERMINATION
INTAKE
Inches (mm)
DIRECT VENT CONCENTRIC ROOFTOP TERMINATION
(71M80, 69M29 or 60L46)
FIELD−PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT LARGER VENT
PIPE SIZE TO TERMINATION
FIGURE 30
EXHAUST
EXHAUST
TERMINATION
INTAKE
TERMINATION
INTAKE
12" (305) Min.
above grade.
Inches (mm)
DIRECT VENT CONCENTRIC WALL TERMINATION
(71M80, 69M29 or 60L46)
FIELD−PROVIDED
REDUCER MAY
BE REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION
FIGURE 31
See venting table 13 for maximum venting lengths with
this arrangement.
12" (305) ABOVE
AVERAGE SNOW
ACCUMULATION
UNCONDITIONED
SPACE
12" (305) MAX. for 2" (51)
(unless supported)
8 (203)
MIN.
1/2" (13) FOAM
INSULATION
1/2" (13) FOAM
INSULATION IN
UNCONDITIONED
SPACE
PROVIDE SUPPORT
FOR INTAKE AND
EXHAUST LINES EVERY
36" (914)
OUTSIDE WALL
Inches(mm)
SIDE VIEW
DIRECT VENT WALL RING TERMINATION
(15F74)
SIZE
TERMINATION
PIPE PER
TABLE 15.
FIELD−PROVIDED
REDUCER MAY
BE REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION
FIGURE 32
1/2" (13) Foam Insulation
in Unconditioned Space
EXHAUST VENT
INTAKE VENT
OUTSIDE WALL
EXHAUST VENT
INTAKE
VENT
Front View
Side View
DIRECT VENT WALL TERMINATION KIT
(22G44, 44J40, 30G28 or 81J20)
Inches (mm)
FIELD−
PROVIDED
REDUCER MAY
BE REQUIRED
TO ADAPT
LARGER VENT
PIPE SIZE TO
TERMINATION
FIGURE 33
EXHAUST
VENT
INTAKE
VENT
5−1/2"
(140)
Front View
12"
(305)
5"
(127)
18" MAX.
(457)
EXHAUST VENT
INTAKE
VENT
OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT
INSTALLATION OF DIRECT VENT WALL TERMINATION KIT WTK
Inches (mm)
Side View

Lennox G51MP?48C?090 Specifications

General

Brand	Lennox
Model	G51MP?48C?090
Category	Furnace
Language	English