Installation guide

THE BLOWER IS LOCATED
TOTHE RIGHT OFTHE
BURNER SECTION, AND
AIR CONDiTiONED AiR IS
DISCHARGED TO THE LEFT.
THE BLOWER IS
LOCATED ABOVE THE
BURNER SECTION, AND
CONDITIONED AIR IS
DISCHARGED DOWNWARD
AIRFLOW
d>
THE BLOWER IS
LOCATED BELOW THE
BURNER SECTION, AND
CONDiTiONED AIR IS
DISCHARGED UPWARD.
t
\
HORIZONTAL LEFT
_AIRFLOW
HORIZONTAL RIGH-'_AIR FL_OW
Fig. 4 - Multipoise Orientations
THE BLOWER IS
LOCATED TO THE LEFT
OF THE BURNER SECTION,
AND CONDiTiONED AIR IS
DISCHARGED TO THE RIGHT.
A02097
be located as close to the chimney or vent and attached
to an air distribution system. Refer to Air Ducts section.
be provided ample space for servicing and cleaning.
Always comply with minimum fire protection clear-
ances shown on the furnace clearance to combustible
label.
The following types of furnace installations may re-
quire OUTDOOR AIR for combustion due to chemical
exposures:
Commercial buildings
Buildings with indoor pools
Laundry rooms
Hobby or craft rooms, and
Chemical storage areas
If air is exposed to the following substances, it should not be used
for combustion air, and outdoor air may be required for
combustion:
Permanent wave solutions
Chlorinated waxes and cleaners
Chlorine based swimming pool chemicals
Water softening chemicals
De-icing salts or chemicals
Carbon tetrachloride
Halogen type refrigerants
Cleaning solvents (such as perchloroethylene)
Printing inks, paint removers, varnishes, etc.
Hydrochloric acid
Cements and glues
Antistatic fabric softeners for clothes dryers
Masonry acid washing materials
All fuel-burning equipment must be supplied with air for fuel
combustion. Sufficient air must be provided to avoid negative
pressure in the equipment room or space. A positive seal must be
made between the furnace cabinet and the return-air duct to
prevent pulling air from the burner area and from draft safeguard
opening.
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal
iniury, death, and/or property damage.
When the furnace is installed in a residential garage, the
burners and ignition sources must be located at least 18
inches above the floor. The furnace must be located or
protected to avoid damage by vehicles. When the furnace is
installed in a public garage, airplane hangar, or other
building having a hazardous atmosphere, the furnace must
be installed in accordance with the NFGC. (See Fig. 5.)