Lennox ML196UH

©
2019 Lennox Industries Inc.
Dallas, Texas, USA
507967-01
07/2019
ML196UHE
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 HVAC installer or
equivalent, service agency, or the gas supplier.
WARNING
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
Do not store or use gasoline or other ammable
vapors and liquids in the vicinity of this or any
other appliance.
Installation and service must be performed
by a qualied installer, service agency or the
gas supplier.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Leave the building immediatly
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re
department.
USER’S INFORMATION
MANUAL

Lennox ML196UH Specifications

General

Model	ML196UH
Efficiency Rating	Up to 96% AFUE
Heating Capacity	Up to 100, 000 BTU
Vent Type	Direct Vent
Efficiency	Up to 96% AFUE
Type	Gas Furnace
Stages	Single Stage
Fuel Type	Natural Gas

Summary

Parts Identification

Safety Instructions

Key Safety Guidelines

Provides essential safety rules for furnace operation and maintenance.

Carbon Monoxide Poisoning Hazard

Details the risks of carbon monoxide and preventative measures.

Start-Up & Operation Information

Operating the Gas Valve

Step-by-step guide for safely operating the gas valve.

Turning Off Gas to the Unit

Procedure for safely shutting off gas supply to the furnace.

Filters

Maintenance

Venting System

Inspects the furnace venting system for integrity and obstructions.

Blower

Instructions for checking and cleaning the blower wheel.

Burner Flame

Recommends professional check of burner flame and combustion analysis.

Electrical

Checks wiring, voltage, and motor amp-draw for electrical components.

Service Reminder

Safety Precautions

Planned Service

Repair Parts List