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SAFETY CONSIDERATIONS
Improper ins t allation, adjus t ment, alteration, serv ic e,
maintenance, or use can cause explosion, fire, electrical shock,
or other conditions which may cause death, personal injury, or
property damage. Consult a qualified installer, service agency,
or your distributor or branch for information or assistance. The
qualified installer or agency must use factory−authorized kits or
accessories when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when
installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes,
the current editions of the National Fuel Gas Code (NFCG)
NFPA 54/ANSI Z223.1, and the National Electrical Code (NEC)
NFPA 70.
In Canada refer to the current editions of the National standards
of Canada CAN/CSA−B149.1 and .2 Natural Gas and Propane
Installation Codes, and Canadian Electrical Code CSA C22.1.
Recognize safety information. This is the safety−alert symbol
. When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand these signal words; DANGER, WARNING, and
CAUTION. These words are used with the safety−alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to
highlight suggestions which will result in enhanced installation,
reliability, or operation.
WARNING
!
FIRE,
EXPLOSION,
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in dangerous
operation, personal injury, death, or property damage.
Improper
installation,
adjustment,
maintenance, or use can cause carbon monoxide
poisoning, explosion, fire, electrical shock, or other
conditions which may cause personal injury or property
damage. Consult a qualified service agency, local gas
supplier, or your distributor or branch for information or
assistance. The qualified service agency must use only
factory−authorized and listed kits or accessories when
modifying this product.
2
ELECTRICAL
SHOCK,
alteration,
service,
Specifications are subject to change without notice.
!
FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON
MONOXIDE POISONING HAZARD
Failure to follow this warning could result in dangerous
operation, personal injury, death, or property damage.
Furnaces shall NOT be twinned (i.e. tandem or staged
operation)
specifications literature for the furnace.
authorized, field−supplied Twinning Kit MUST be used.
Consult furnace pre−sale literature for specific models
approved for twinning and the correct twinning kit. Twinned
furnaces must be installed on both a common supply AND a
common return duct system as shown in the Twinning Kit
Installation Instructions. Only two furnaces can be twinned
on a common supply and return duct system using a factory
authorized twinning kit.
!
FIRE HAZARD
Failure to follow this warning could result in personal injury,
death, or property damage.
Solvents, cements and primers are combustible. Keep away
from heat, sparks and open flame.
well−ventilated areas. Avoid breathing in vapor or allowing
contact with skin or eyes.
!
FURNACE RELIABILITY HAZARD
Failure to follow this caution may result in unit component
damage.
Application of this furnace should be indoors with special
AND
attention given to vent sizing and material, gas input rate,
air temperature rise, unit leveling, and unit sizing.
WARNING
unless
approved
in
WARNING
CAUTION
factory
technical
A
factory
Use only in
440 04 4801 04
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