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Lennox Manuals
Furnace
G24M2-45
Installation instructions manual
Lennox G24M2-45 Installation Instructions Manual
G24m series
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
G24M Unit Dimensions
Top View
Front View
Side View
G24M Parts Arrangement
G24M Gas Furnace
Shipping and Packing List
Requirements
Combustion, Dilution & Ventilation Air
Confirmed Space
Air from Inside
Air from Outside
Setting Equipment
Upflow Applications
Unit Conversion for Downflow Application
Downflow Applications
Installation on Non-Combustible Flooring
Installation on Combustible Flooring
Downflow Installation Clearances
Installing on Cooling Cabinet
Horizontal Applications
Duct System
Supply Air Plenum
Return Air Plenum
Venting Using a Masonry Chimney
General Venting Requirements
Common Venting Using Metal-Lined Masonry Chimney
Removal of the Furnace from Common Vent
Gas Piping
Gas Supply
Horizontal Venting
Side Wall Venting Kit Wiring
Gas Pipe Capacity
Leak Check
Electrical
Indoor Blower Speeds
Typical G24M Field Wiring Diagram
50A62 Surelight Integrated Control Board
G24M Schematic Wiring Diagram
Unit Start-Up
Placing Furnace into Operation
Gas Valve Operation
Turning off Gas to Unit
Gas Pressure Adjustment
Other Unit Adjustments
Heating Sequence of Operation
Gas Flow
Temperature Rise
Thermostat Heat Anticipation
Blower Speeds
Electronic Ignition
Service
Heat Exchanger
Repair Parts List
Ignition Control Board Diagnostic Codes
Troubleshooting
Cooling Sequence of Operation
Continuous Low Speed Fan Sequence of Operation
G24M Start-Up and Performance Check List
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Table of Contents
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G24M Unit Dimensions
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G24M Parts Arrangement
4
G24M Gas Furnace
5
Repair Parts List
6
Troubleshooting
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This manual is also suitable for:
G24m3-75
G24m2-60
G24m4-75
G24m3/4-100
G24m3/4-120
G24m4/5-100
...
Show all
G24m4/5-120
G24m4/5-140
G24m3-60
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