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NOTE: Read the entire instruction manual before starting t he
installation.
NOTE: Please retain these instructions with the furnace after
installation for future reference.
SAFETY CONSIDERATIONS
FURNACE RELIABILITY HAZARD
Improper installation or misapplication of furnace may
require excessive servicing or cause premature component
failure.
Application of this furnace should be indoors with special
attention given to vent sizing and material combustion air
requirements, gas input rate, air temperature rise, unit
leveling, and unit sizing.
CAUTION
!
FIRE, EXPLOSION, ELECTRICAL SHOCK AND
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal
injury, death, or property damage.
Improper installation, adjustment, alteration, service,
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 installer, service agency, local gas supplier, or your
distributor or branch for information or assistance. The
qualified installer or agency must use only
factory--authorized and listed kits or accessories when
modifying this product.
!
WARNING
Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified
personnel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions such
as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on heating
equipment, observe precautions in literature, on tags, and on labels
attached to or shipped with unit a nd other s afety precautions that
may apply.
These instructions cover the minimum requirements and conform to
existing national standards and safety codes. In some instances,
these instructions exceed certain local codes and ordinances,
especially those that may not have kept up with changing
residential construction practices. We require these instructions as a
minimum for a safe installation.
Wear safety glasses and work gloves. Have a fire extinguisher
available during start--up and adjustment procedures and service
calls.
Recognize safety information. This is the safety-- alert symbol
.
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand th e signal words DANGER, WARNING, an d
CAUTION. These words are used with the safety--alert symbol.
DANGER identifies the mo st serious hazards which will result in
severe personal injury or death. WARNING signifies a hazard
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.
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care
and wear appropriate protective clothing and gloves when
handling parts.
CAUTION
!
SAFE INSTALLATION REQUIREMENTS
FIRE, EXPLOSION, AND ASPHYXIATION HAZARD
Failure to follow this warning could result in personal injury
or death.
Improper adjustment, alteration, service, maintenance or
installation could cause personal injury, death and/or property
damage.
Installation or repairs made by unqualified persons could result
in hazards to you and others. Installation MUST conform to
local codes or, in the absence of local codes, with codes of all
governmental authorities having jurisdiction.
The information contained in this manual is intended for use
by a qualified service agency that is experienced in such work,
is familiar with all precautions and safety procedures required
in such work, and is equipped with the proper tools and test
instruments.
!
WARNING
NOTE: This furnace is design--certified by the CSA International
(formerly AGA and CGA) for installation in t he United States and
Canada. Refer to the appropriate codes, along with this manual, for
proper installation.
S Use only the type of gas approved for this furnace (see Rating
Plate on unit). Overfiring will result in failure of heat exchanger
and cause dangerous operation. (Furnaces can be converted to
Propane gas with approved kit.)
S Install this furnace only in a location and position as specified in
“Installation” of these instructions.
S Provide adequate combustion and ventilation air to the furnace as
specified in “ Combustion and Ventilation Air” of these
instructions.
S Combustion products must be discharged outdoors. Connect this
furnace to an approved vent system only, as specified in “Vent
and Combustion Air Piping” of these instructions.
S Never test for gas leaks with an open flame. Use a commercially
available soap solution made specifically for the detection of
leaks to check all connections, as specified in “Gas Supply and
Piping, Final Check” of these instructions.
S Always install furnace to operate within the furnace’s intended
temperature-- rise range with a duct system which has an external
static pressure within the allowable range, as specified in
“Technical Support Manual” of these instructions. See furnace
rating plate.
S When a furnace is installed so that supply ducts carry air
circulated by the furnace to areas outside the space containing the
58HDV