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PRODUCT LITERATURE
2000 Lennox Industries Inc
.
Dallas, Texas
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
INSTALLATION
INSTRUCTIONS
G24MCE Series
GAS-FIRED FURNACE
Direct Spark Ignition
503,956M
05/2000
Supersedes 11/99
Table of Contents
G24MCE Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . .
G24MCE GasĆFired Furnace
3
. . . . . . . . . . . . . . . . . .
Shipping and Packing List
3
. . . . . . . . . . . . . . . . . . . . .
Requirements
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution & Ventilation Air
4
. . . . . . . . . .
Setting Equipment
6
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct System
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venting
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Flue Using Metal Flue Pipe
9
. . . . . . . . . . .
Vertical Flue Using Lined Masonry Chimney
11
. .
Horizontal Flue Using Metal Flue Pipe
12
. . . . . . .
Gas Piping
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start-up
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Adjustments
19
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data Table
22
. . . . . . . . . . . . . . . . . . . . . . . .
Ignition Control Board Diagnostic Codes
23
. . . . . . .
Troubleshooting
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
G24MCE Parts Arrangement
27
. . . . . . . . . . . . . . . . .
G24MCE Start-up & Performance Check List
28
. . .
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.
WARNING
Do not store or use petrol or other
flammable vapours and liquids in the
vicinity of this or any other appliance.
Installation and service must be perĆ
formed by a qualified installer, serĆ
vice agency or the gas supplier.
Do not try to light any appliance.
Do not touch any electrical switch; do not
use any telephone in your building.
Immediately call your gas supplier from a
neighbor's telephone. Follow the gas supĆ
plier's instructions.
If you cannot reach your gas supplier, call
the local fire brigade.
Extinguish any open flames.
Litho USA
