ML193DF Gas Furnace Installation Manual - Lennox
ML193DF Gas Furnace Installation Manual - Lennox
ML193DF Gas Furnace Installation Manual - Lennox
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If intake and exhause pipe is less than 12 in. (305 mm)<br />
above snow accumulation or other obstructions, field−<br />
fabricated piping must be installed.<br />
WALL SUPPORT*<br />
6” (152 mm)<br />
Maximum<br />
INTAKE<br />
AIR<br />
WALL TERMINATION KITS (CLOSE−COUPLE)<br />
EXTENDED VENT FOR GRADE CLEARANCE<br />
2 inch (51 mm) 22G44 (US)<br />
3 inch (76 mm) 44J40 (US)<br />
8” (203 mm) Min. for 2” (51 mm) & 3” (76 mm) DIA. pipe<br />
between the end of the exhaust pipe and intake pipe<br />
12” (305 mm) Max. for 2” (51 mm) Dia. Exhaust<br />
20” (508 mm) Max. for 3” (76 mm) Dia. Exhaust<br />
EXHAUST<br />
AIR<br />
INTAKE<br />
AIR<br />
5” (127 mm)<br />
FIELD−PROVIDED<br />
REDUCER MAY BE REQUIRED TO ADAPT<br />
LARGER VENT PIPE SIZE TO TERMINATION<br />
12”<br />
(305 mm)<br />
1/2” (13 mm)<br />
FOAM INSULATION<br />
(Field Furnished)<br />
EXHAUST<br />
AIR<br />
8” (203 mm) Min.<br />
12” (305 mm) Minimum<br />
Above Grade or Average<br />
Snow Accumulation<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
GRADE<br />
5−1/2”<br />
(140 mm)<br />
12” (305 mm) Minimum<br />
Above Grade or Average<br />
Snow Accumulation<br />
GRADE<br />
12” (305 mm) Max. for 2” (51 mm) Dia. Exhaust<br />
20” (508 mm) Max. for 3” (76 mm) Dia. Exhaust<br />
*Use wall support every 24" (610). Use two supports if<br />
extension is greater than 24" but less than 48".<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
FIGURE 35<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
WALL TERMINATION KITS (CLOSE−COUPLE)<br />
EXTENDED VENT FOR GRADE CLEARANCE<br />
2 inch (51 mm) 30G28 (WTK Canada)<br />
3 inch (76 mm) 81J20 (WTK Canada)<br />
See <strong>Installation</strong> Instructions for additional information.<br />
If intake and exhause pipe is less than 12 in. (305 mm)<br />
above snow accumulation or other obstructions, field−<br />
fabricated piping must be installed.<br />
FIELD−PROVIDED<br />
REDUCER MAY BE REQUIRED TO ADAPT<br />
LARGER VENT PIPE SIZE TO TERMINATION<br />
WALL SUPPORT*<br />
6” (152 mm)<br />
Maximum<br />
12” (305 mm) Max. for 2” (51 mm) Dia. Exhaust<br />
20” (508 mm) Max. for 3” (76 mm) Dia. Exhaust<br />
EXHAUST<br />
AIR<br />
12”<br />
(305 mm)<br />
1/2” (13 mm)<br />
FOAM INSULATION<br />
(Field Furnished)<br />
INTAKE<br />
AIR<br />
6” (152 mm)<br />
Minimum<br />
INTAKE<br />
AIR<br />
5” (127 mm)<br />
EXHAUST<br />
AIR<br />
6” (152 mm)<br />
Minimum<br />
12” (305 mm) Minimum<br />
Above Grade or Average<br />
Snow Accumulation<br />
GRADE<br />
5−1/2”<br />
(140 mm)<br />
12” (305 mm) Minimum<br />
Above Grade or Average<br />
Snow Accumulation<br />
GRADE<br />
12” (305 mm) Max. for 2” (51 mm) Dia. Exhaust<br />
20” (508 mm) Max. for 3” (76 mm) Dia. Exhaust<br />
FIGURE 36<br />
*Use wall support every 24" (610). Use two supports if<br />
extension is greater than 24" but less than 48".<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
ÉÉÉÉÉÉÉÉÉÉÉÉ<br />
Page 25
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