12” (305mm)

Minimum

Above Average

Snow

Accumulation

CLAMP

1−1/2" (38mm) accelerator

provided on 71M80 & 44W92 kits for ML193DF045P36B− & 070P36B

 

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

Front View

EXHAUST VENT

 

SIZE

 

TERMINATION

INTAKE

PIPE PER

TABLE 8.

AIR

 

Top View

1/2" (13mm) Foam Insulation

 

in Unconditioned Space

 

FIELD−PROVIDED

 

REDUCER MAY

EXHAUST VENT

BE REQUIRED TO

 

ADAPT LARGER

 

VENT PIPE SIZE

INTAKE AIR

TO TERMINATION

 

 

6 (152mm) MIN.

DIRECT VENT CONCENTRIC ROOFTOP TERMINATION

71M80, 69M29 or 60L46 (US) 41W92 or 41W93 (Canada)

FIGURE 30

 

 

1−1/2" (38mm) accelerator

FIELD−PROVIDED

 

provided on 71M80 &

 

44W92 kits for

REDUCER MAY BE

 

 

ML193DF045P36B− &

REQUIRED TO ADAPT

 

 

070P36B

LARGER VENT PIPE

OUTSIDE

SIZE TO TERMINATION

INTAKE

 

WALL

 

 

AIR

EXHAUST

 

EXHAUST

AIR

 

AIR

OUTSIDE WALL

DIRECT VENT WALL TERMINATION KIT

(30G28 or 81J20)

 

FIGURE 33

Front View

EXHAUST VENT

 

SIZE

 

TERMINATION

INTAKE

PIPE PER

TABLE 8.

AIR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTAKE

12" (305mm) Min.

INTAKE

 

CLAMP

 

 

 

 

AIR

above grade or

AIR

(Not Furnished)

 

 

 

 

average snow ac-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cumulation.

 

 

 

 

 

 

 

 

 

 

 

GRADE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIRECT VENT CONCENTRIC WALL TERMINATION

 

 

 

 

71M80, 69M29 or 60L46 (US)

 

 

 

 

 

 

 

41W92 or 41W93 (Canada)

 

 

 

FIGURE 31

Top View

1/2" (13mm) Foam Insulation

in Unconditioned Space

FIELD−PROVIDED

REDUCER MAY

BE REQUIRED TO

ADAPT LARGER

VENT PIPE SIZE

TO TERMINATION

EXHAUST VENT

INTAKE AIR

8" (206mm) MIN.

EXHAUST

 

12"

 

(305mm)

VENT

 

5"

5−1/2"

 

(127mm)

(140mm)

INTAKE

 

 

AIR

 

 

 

18" MAX.

Front View

 

(457mm)

 

EXHAUST VENT

 

 

12" (305mm) Min.

 

 

above grade or

Inches (mm)

 

average snow ac-

 

INTAKE cumulation.

 

 

 

 

AIR

optional intake elbow

 

Side View

OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT

INSTALLATION OF DIRECT VENT WALL TERMINATION KIT

(22G44, 44J40, 30G28 or 81J20)

FIGURE 32

OUTSIDE WALL

DIRECT VENT WALL TERMINATION KIT

(22G44 or 44J40)

FIGURE 34

Page 24

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Image 24
Lennox International Inc ML193DF, MERIT SERIES GAS FURNACE DOWNFLOW AIR DISCHARGE Front View, Top View