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E 2018 Lennox Industries Inc.
Dallas, Texas, USA
506971-01
07/2018
Supersedes 04/2017
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other ap
pliance.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), a service agency, or the gas supplier.
WARNING
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exact
ly could result in serious injury, death,
or property damage.
D Do not try to light any appliance.
D Do not touch any electrical switch; do not
D Leave the building immediately.
D Immediately call your gas supplier from a
D If you cannot reach your gas supplier, call
WHAT TO DO IF YOU SMELL GAS:
use any phone in your building.
neighbor's phone. Follow the gas supplier's
instructions.
the fire department.
ML180DF
SERIES
GAS FURNACE
Litho U.S.A.
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Related Manuals for Lennox ML180DF Series
Summary of Contents for Lennox ML180DF Series
- Page 1 E 2018 Lennox Industries Inc. Dallas, Texas, USA 506971-01 ML180DF 07/2018 Supersedes 04/2017 SERIES GAS FURNACE WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional installer (or Litho U.S.A.
- Page 2 ML180DF Parts Identification TOP CAP BLOWER MOTOR PRESSURE SWITCH ASSEMBLY INTEGRATED CONTROL COMBUSTION AIR INDUCER GAS VALVE AND BURNERS MANIFOLD FIGURE 1 NOTE - This manual is the property of the homeowner eration must be checked periodically. If this is not possible, and must be left with the equipment user.
- Page 3 Because DO NOT block or obstruct air openings on the furnace of this, Lennox recommends the use of a carbon monox or air openings to the area in which the furnace is installed.
- Page 4 Start-Up & Operation Information MANIFOLD MANIFOLD PRESSURE PRESSURE ADJUSTMENT OUTLET WARNING SCREW If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or death. INLET BEFORE PLACING THE UNIT INTO OPERATION, smell PRESSURE PORT all around the appliance area for gas.
- Page 5 Annually (before heating season) inspect furnace venting Filters system, vent cap, heat exchanger, and burners for corro All ML180DF filters are installed external to the unit. Filters sion, deterioration, or deposits of debris. Remove any ob should be inspected monthly. Clean or replace the filter(s) structions.
- Page 6 Service Reminder before either personal injury or property damage occurs. Call your Lennox service technician if the unit will not oper Do not hesitate to contact a qualified service technician as ate. Before calling, always check the following to be sure an investment in your well being.
- Page 7 6- Check the cleanliness of blower assembly and clean 12 Check the condition of the furnace cabinet insulation the housing, blower wheel and blower motor if neces and repair if necessary. sary 13 Perform a complete combustion analysis during the fur nace inspection to ensure proper combustion and oper...
- Page 8 Repair Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate -- Example: ML180DF045P36A. All service must be done by a li censed professional installer (or equivalent), a service agency, or the gas supplier.
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Is ML180DF a engery star heater