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ML180UH

SERIES

Litho U.S.A.

506525-01
01/2015
Supersedes 10/2012

E

 2015 Lennox Industries Inc.

Dallas, Texas, USA

WHAT TO DO IF YOU SMELL GAS:

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.

D

Do not try to light any appliance.

D

Do not touch any electrical switch; do not
use any phone in your building.

D

Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.

D

If you cannot reach your gas supplier, call
the fire department.

D

Leave the building immediately.

GAS FURNACE

FIRE OR EXPLOSION HAZARD.

Failure to follow safety warnings exact­
ly could result in serious injury, death,
or property damage.

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

Summary of Contents for ML180UH SERIES

Page 1: ...use any phone in your building D Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions D If you cannot reach your gas supplier call the fire department D Le...

Page 2: ...the equipment user Notice to Homeowner This furnace is equipped with safety devices that protect you and your property If one or more of these devices is activated furnace operation will stop If your...

Page 3: ...into the living space resulting in personal injury or death Your furnace is a gas appliance It is critical that the gas supplied to the unit be completely burned to avoid the pro duction of carbon mo...

Page 4: ...LD PRESSURE OUTLET PORT INLET PRESSURE PORT MANIFOLD PRESSURE ADJUSTMENT SCREW 9 Replace the upper access panel 10 Turn on all electrical power to to the unit 11 Set the thermostat to desired setting...

Page 5: ...rt Inspect the condensate drain and trap for leaks and cracks The drain and trap must also be cleaned and the trap must be filled with water During a seasonal check the service technician will con duc...

Page 6: ...ing Planned Service Pay attention to your furnace Situations can arise be tween annual furnace inspections that may result in unsafe operation For instance items innocently stored next to the furnace...

Page 7: ...ase see Service and Application Note H 04 9 2 Verify that system total static pressure and airflow set tings are within specific operating parameters 3 Clock gas meter to ensure that the unit is opera...

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