Lennox G24M SERIES

Page 1
WHAT TO DO IF YOU SMELL GAS:
If the information in this manual is not
followed exactly, a fire or explosion
may result causing property damage,
personal injury or loss of life.
:$51,1*
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice agency or the gas supplier.
Do not try to light any appliance.
Do not touch any electrical switch; do not
use any phone in your building.
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 fire department.
Extinguish any open flames.
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Litho USA
G24M
SERIES
50HZ
GAS FURNACE
503,877M
02/99
Supersedes 9/98
£
352'8&7 /,7(5$785(
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Lennox G24M SERIES Specifications

General

Brand	Lennox
Model	G24M SERIES
Category	Furnace
Language	English

Summary

General Safety and Gas Leak Procedures

What to Do If You Smell Gas

Steps to take if a gas smell is detected, including extinguishing flames and contacting the gas supplier.

Parts Identification

Upflow Position Components

Identification of components for the furnace in the upflow configuration.

Downflow Position Components

Identification of components for the furnace in the downflow configuration.

Important Operational Directions

Furnace Area and Airflow Requirements

Guidelines for maintaining a clear furnace area and ensuring unobstructed airflow.

Carbon Monoxide Awareness

Information on the dangers of carbon monoxide gas and recommendations for detectors.

Furnace Operation and Gas Control

Placing Furnace Into Operation

Instructions for starting the furnace, noting its electronic ignition system.

Gas Valve Operation

Step-by-step guide for operating the gas valve for both Honeywell and White Rodgers models.

Turning Off Gas to Unit

Procedure for shutting off the gas supply to the furnace for service.

Component Details and Maintenance

Blower Maintenance

Guidance on checking and cleaning the blower wheel; motor is prelubricated.

Burner Flame Inspection

Instructions for inspecting and cleaning burners, and expected flame appearance.

Service and Safety Precautions

Venting System Inspection

Annual inspection requirements for the furnace venting system.

Flame Rollout Safety Switches

Information on the function and implications of flame rollout safety switches.

Service Reminders

Checks to perform before calling a service technician for an inoperative unit.

Safety Precautions

Situations that require shutting down the unit and contacting a qualified technician.

Planned Service

Items a service technician should check during an annual inspection.