Lennox SLP98UHV Installation Instructions Manual page 22

12" (305mm)
Minimum
Above Average
Snow
Accumulation
CLAMP
DIRECT VENT CONCENTRIC ROOFTOP TERMINATION
71M80, 69M29 or 60L46 (US)
44W92 or 44W93 (Canada)
FIGURE 27
FIELD−PROVIDED
REDUCER MAY BE RE-
QUIRED TO ADAPT
LARGER VENT PIPE
SIZE TO TERMINATION.
OUTSIDE
WALL
EXHAUST
AIR
INTAKE
CLAMP
AIR
(Not Furnished)
DIRECT VENT CONCENTRIC WALL TERMINATION
71M80, 69M29 or 60L46 (US)
41W92 or 41W93 (Canada)
FIGURE 28
EXHAUST
VENT
5"
(127mm)
INTAKE
AIR
18" MAX.
(457mm)
EXHAUST VENT
Inches (mm)
optional intake elbow
OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT
INSTALLATION OF DIRECT VENT WALL TERMINATION KIT
(22G44, 44J40, 30G28 or 81J20)
FIGURE 29
1 1/2" (38mm) accelerator
provided with 71M80 &
44W92 kits for
SL98UH070V36B
FLASHING
INTAKE
(Not Furnished)
SHEET METAL STRAP
(Clamp and sheet metal strap
must be field−installed to support
the weight of the termination kit.)
FIELD−PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT LARGER VENT
PIPE SIZE TO TERMINATION
1 1/2" (38mm) accelerator
provided on 71M80 &
44W92 kits for
SL98UHV−36B−070
INTAKE
AIR
EXHAUST
AIR
12" (305mm) Min.
INTAKE
above grade or
AIR
average snow ac-
cumulation.
GRADE
12"
(305mm)
5−1/2"
(140mm)
Front View
12" (305mm) Min.
above grade or
average snow ac-
INTAKE cumulation.
AIR
Side View
Front View
INTAKE
AIR
Top View
1/2" (13mm) Foam Insulation
in Unconditioned Space
FIELD−PROVIDED
REDUCER MAY BE
REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION.
DIRECT VENT WALL TERMINATION KIT
Front View
INTAKE
AIR
Top View
1/2" (13mm) Foam Insulation
in Unconditioned Space
FIELD−PROVIDED
REDUCER MAY BE
REQUIRED TO
ADAPT LARGER
VENT PIPE SIZE
TO TERMINATION.
DIRECT VENT WALL TERMINATION KIT
2" EXTENSION FOR 2" PVC
PIPE1" EXTENSION FOR 3"
PVC PIPE
FURNACE
INTAKE
PIPE
FLUSH−MOUNT SIDE WALL TERMINATION
Page 22
EXHAUST VENT
SIZE
TERMINATION
PIPE PER
TABLE 7.
EXHAUST VENT
INTAKE AIR
OUTSIDE WALL
(30G28 or 81J20)
FIGURE 30
EXHAUST VENT
SIZE
TERMINATION
PIPE PER
TABLE 7.
EXHAUST VENT
INTAKE AIR
8" (206mm) MIN.
OUTSIDE WALL
(22G44 or 44J40)
FIGURE 31
FURNACE
EXHAUST
4''
PIPE
GLUE EXHAUST
END FLUSH INTO
TERMINATION
FLAT
1−1/2" ACCELERATOR
SIDE
(
all −070 and −090 units)
51W11
FIGURE 32
6 (152mm) MIN.