Lennox G61MP Series

03/09
*2P0309*
504,741M
*P504741M*
G61MP
SERIES
Litho U.S.A.
504,741M
03/2009
Supersedes 06/2003
E 2003 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 appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice 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

Lennox G61MP Series Specifications

General

Efficiency Rating	Up to 95% AFUE
Heating Stages	Two-stage
Blower Motor	Variable-Speed
Fuel Type	Natural gas
Heat Exchanger	Stainless Steel
Ignition System	Hot Surface Ignition
Warranty	Limited lifetime heat exchanger warranty, 5-year parts warranty
Cabinet Type	Insulated
Heating Capacity	44, 000 to 132, 000 BTU/h

Summary

Safety Information

Fire or Explosion Hazard

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

Gas Leak Procedure

Instructions on immediate actions to take if a gas leak is detected.

Parts Identification

Component Diagram

Visual identification of major components of the G61MP Series gas furnace.

Operational Safety

Thermostat and Overheating Warnings

Critical warnings regarding thermostat settings and overheating/gas supply failure.

Flood Damage and Modifications

Warnings and notices about flood-damaged units and unauthorized modifications.

General Safety Instructions

Key safety instructions for furnace area, vents, airflow, and chemical storage.

Lighting and Operation

Explosion Danger and Handling

Dangers associated with LP/propane gas leaks and handling of gas lines.

Ignition System and Operation

Information on the SureLight ignition system and how burners automatically light.

Gas Valve Operation

Step-by-step instructions for operating the gas valve and turning gas on/off.

Maintenance and Service

Filter Requirements

Details on filter types, sizes, inspection, and replacement for proper operation.

System Inspection

Annual inspection procedures for venting system, heat exchanger, burners, and electrical components.

Blower and Burner Checks

Maintenance checks for the blower wheel, motor, and annual burner flame inspection.

Service and Planned Inspections

Service Reminders

Checks to perform before calling for service and recording unit information.

Safety Precautions

Actions to take if unusual sounds, odors, or symptoms of carbon monoxide exposure occur.

Planned Service Checks

Annual inspection items for ventilation, burners, vent pipe, unit appearance, and operating performance.

Repair Parts List

Component Parts

Categorized list of available repair parts for cabinet, control panel, blower, and heating components.