Lennox ML180UH SERIES User's Information Manual
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Lennox ML180UH SERIES User's Information Manual

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E 2015 Lennox Industries Inc.
Dallas, Texas, USA
506525-01
01/2015
Supersedes 10/2012
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.
ML180UH
SERIES

GAS FURNACE

Litho U.S.A.

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Summary of Contents for Lennox ML180UH SERIES

  • Page 1: Gas Furnace

    E 2015 Lennox Industries Inc. Dallas, Texas, USA 506525-01 ML180UH 01/2015 Supersedes 10/2012 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 ML180UH Parts Identification TOP CAP HEAT EXCHANGER ASSEMBLY PRESSURE SWITCH COMBUSTION AIR INDUCER UPPER ACCESS PANEL GAS VALVE AND MANIFOLD BURNERS BLOWER MOTOR INTEGRATED BLOWER ACCESS CONTROL PANEL FIGURE 1 NOTE - This manual is the property of the homeowner activated, furnace operation will stop.

  • Page 3: Safety Instructions

    Because of this, Lennox recommends the use of a car­ be obstructing the plastic intake or exhaust pipes. bon monoxide detector in your home, even if you do 3 - DO NOT obstruct air flow to unit.

  • Page 4: Maintenance

    11 - Set the thermostat to desired setting. Start-Up & Operation Information NOTE - When unit is initially started, steps 1 through 11 WARNING may need to be repeated to purge air from gas line. 12 - If the appliance will not operate, follow the section If you do not follow these instructions exactly, a fire “Turning Off Gas to the Unit”...

  • Page 5: Service Reminder

    Service Reminder sion, deterioration, or deposits of debris. Remove any ob­ structions. Call your Lennox service technician if the unit will not oper­ ate. Before calling, always check the following to be sure Inspect the furnace for obvious signs of deterioration.

  • Page 6: Safety Precautions

    If you discover any of the following, shut down your with the Lennox Limited Warranty, your system should be checked as follows by a licensed professional service unit, and contact a Lennox dealer for an inspection by technician (or equivalent). a licensed professional service technician (or equiva­...

  • Page 7: Repair Parts List

    Verify correct temperature rise. 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: ML180UH045P36A. All service must be done by a li­...

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