6
441 01 2101 05
Specifications are subject to change without notice.
LOCATION
GENERAL
This multipoise furnace is shipped in packaged configuration.
Some assembly and modifications are required when used in
any of the four applications shown in Figure 4.
NOTE
: For high
−
altitude installations, the high
−
altitude
conversion kit MUST be installed at or above 5500 ft. (1676
M) above sea level. Obtain high
−
altitude conversion kit from
your area authorized distributor.
This furnace must:
be installed so the electrical components are protected from
water.
NOTE
: For downflow applications, this furnace is approved
for use on combustible flooring when any one of the following
are used:
Downflow combustible factory
−
approved floor subbase
Coil model numbers EAM4X, EDM4X, EMA4X, END4X
or ENW4X
Coil casing model number NAEA
be located 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 clearances shown on
the furnace clearance to combustible construction label.
The following types of furnace installations may require
OUTDOOR AIR for combustion due to chemical exposures:
Commercial buildings
Buildings with indoor pools
Laundry rooms
Hobby or craft rooms, and
Chemical storage areas
CARBON MONOXIDE POISONING AND UNIT
DAMAGE HAZARD
Failure to follow this warning could result in personal
injury or death, and furnace damage.
Corrosive or contaminated air may cause failure of
parts containing flue gas, which could leak into the
living space. Air for combustion must not be
contaminated by halogen compounds, which include
fluoride, chloride, bromide, and iodide. These
elements can corrode heat exchangers and shorten
furnace life. Air contaminants are found in aerosol
sprays, detergents, bleaches, cleaning solvents,
salts, air fresheners, and other household products.
Do not install furnace in a corrosive or contaminated
atmosphere. Make sure all combustion and
circulating air requirements are met, in addition to all
local codes and ordinances.
!
WARNING
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, INJURY OR DEATH HAZARD
Failure to follow this warning could result in personal
injury, 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 (457 mm) 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
!
WARNING
Figure 5
−
Installation in a Garage
18
−
IN. (457.2 mm)
MINIMUM TO BURNERS
A93044
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Do not install the furnace on its back or hang furnace
with control compartment facing downward. Safety
control operation will be adversely affected. Never
connect return
−
air ducts to the back of the furnace.
!
WARNING
