ML193DF Gas Furnace Installation Manual - Lennox

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B D B D 2 A C 1 Intake A C Exhaust 3 Front View of Intake and Exhaust Intake Exhaust 2 B A E C D 1 12" A− Clearance above grade or average snow accumulation B−Horizontal separation between intake and exhaust C−Minimum from end of exhaust to inlet of intake TABLE 9 2" (51mm) Vent Pipe 3" (76mm) Vent Pipe 12" (508MM) Min. 12" (508MM) Min. 6" (152MM) Min. 24" (610 MM) Max 9" (227MM) Min. 6" (152MM) Min. 24" (610 MM) Max 9" (227MM) Min. D−Exhaust pipe length E−Wall support distance from top of each pipe (intake/exhaust) 12" (305MM) Min. 16" (405 MM) Max. 6" (152MM) Max. 12" (305MM) Min. 20" (508MM) Max. 6" (152MM) Max. 1 The exhaust termination tee should be connected to the 2" or 3" PVC flue pipe as shown in the illustration. Do not use an accelerator in applications that include an exhaust termination tee. The accelerator is not required. 2 As required. Flue gas may be acidic and may adversely affect some building materials. If a side wall vent termination is used and flue gases will impinge on the building materials, a corrosion−resistant shield (24 inches square) should be used to protect the wall surface. If optional tee is used, the protective shield is recommended. The shield should be constructed using wood, sheet metal or other suitable material. All seams, joints, cracks, etc. in affected area, should be sealed using an appropriate sealant. 3 Exhaust pipe 45° elbow can be rotated to the side away from the combustion air inlet to direct exhaust away from adjacent property. The exhaust must never be directed toward the combustion air inlet. FIGURE 27 Page 22
FIELD SUPPLIED WALL TERMINATION OR (15F74) WALL RING TERMINATION KIT FIELD SUPPLIED WALL TERMINATION OR (15F74) WALL RING TERMINATION KIT With INTAKE ELBOW NOTE − FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 1/2" (13mm) ARMAFLEX INSULATION IN UN- CONDITIONED SPACE NOTE − FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 1/2" (13mm) ARMAFLEX INSULATION IN UN- CONDITIONED SPACE SIZE TERMINATION PER TABLE 8 SIZE TERMINATION PER TABLE 8 D D C A B STRAIGHT APPPLICATION C A B STRAIGHT APPPLICATION 1/2" (13mm) ARMAFLEX INSULATION IN UNCONDITIONED SPACE 1/2" (13mm) ARMAFLEX INSULATION IN UNCONDITIONED SPACE * WALL SUPPORT E D B * WALL SUPPORT E B D C A EXTENDED APPLICATION C A EXTENDED APPLICATION See venting table 7 for maximum venting lengths with this 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) 2" (51mm) Vent Pipe FIGURE 28 3" (76mm) Vent Pipe 12" (508MM) 12" (508MM) 6" (152MM) 6" (152MM) 8" (203MM) 8" (203MM) 12" (305MM) 20" (508MM) 6" (152MM) 6" (152MM) See venting table 7 for maximum venting lengths with this 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) 2" (51mm) Vent Pipe FIGURE 29 3" (76mm) Vent Pipe 12" (508MM) 12" (508MM) 6" (152MM) 6" (152MM) 6" (152MM) 6" (152MM) 12" (305MM) 20" (508MM) 6" (152MM) 6" (152MM) Page 23
Page 1 and 2: 2010 Lennox Industries Inc. Dallas,
Page 3 and 4: ML193DF Parts Arrangement CONTROL B
Page 5 and 6: NOTE − Furnace must be adjusted t
Page 7 and 8: All gas-fired appliances require ai
Page 9 and 10: ML193DF09048C BLOWER MOTOR RIGID LE
Page 11 and 12: TABLE 2 COMBUSTIBLE FLOORING BASE O
Page 13 and 14: IMPORTANT ML193DF exhaust and intak
Page 15 and 16: 2 − When furnace is installed in
Page 17 and 18: TYPICAL EXHAUST PIPE CONNECTIONS Pi
Page 19 and 20: VENT TERMINATION CLEARANCES FOR NON
Page 21: Details of Intake and Exhaust Pipin
Page 25 and 26: If intake and exhause pipe is less
Page 27 and 28: UNCONDITIONED SPACE 6" (152mm) Max
Page 29 and 30: OPTIONAL Condensate Drain Connectio
Page 31 and 32: MANUAL MAIN SHUT−OFF VALVE (With
Page 33 and 34: Left side INTERIOR MAKE−UP BOX (F
Page 35 and 36: TYPICAL ML193DF WIRING DIAGRAM FIGU
Page 37 and 38: Placing the furnace into operation:
Page 39 and 40: TABLE 14 Conversion Kit and Pressur
Page 41 and 42: BLOWER DATA ML193DF045P36B PERFORMA
Page 43 and 44: 19 − Reinstall heat exchanger int
Page 45 and 46: Troubleshooting: Heating Sequence o
Page 47 and 48: Troubleshooting: Cooling Sequence o
Page 49 and 50: Repair Parts List The following rep
Page 51 and 52: 1 UNIT OPERATION HEATING MODE GAS M

ML193DF Gas Furnace Installation Manual - Lennox

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