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Issue 1216
506792-01B
Combustion and Ventilation Air
Adequate air must reach your furnace to provide for proper
and safe operation.
Any obstruction of this airflow can
cause an unsafe condition which may result in death
or permanent injury. Lethal carbon monoxide gas can
be produced if combustion air is restricted.
Furnaces located in a closet, alcove, or utility room must
have provision for adequate air supply by means of upper
and lower grilles in the door, or by the introduction of outside
air, or both. National codes and local code requirements
are generally alike. However, local codes take precedence.
Venting and Furnace Support
Venting of this furnace must comply with our published
instructions. If the installer has not followed these
requirements, you should request the installer to comply
as soon as possible.
Make sure all flue product materials external to the furnace
are clear and free of any obstruction, slope upward, and
have no holes or leaks.
It is important that the outside area where the vent
terminates is kept clear of any obstructions which might
block or impede the venting of the furnace.
Should any unusual conditions be observed during your
inspections, call your authorized service dealer at once.
Return Air
Check that all return air duct connections are tight and
sealed to the furnace cabinet and that all return air grilles
or registers are located outside the space containing the
furnace.
