3
IMPORTANT SAFETY INFORMATION
INSTALLER: Please read all instructions before servicing
this equipment. Pay attention to all safety warnings and
any other special notes highlighted in the manual. Safety
markings are used frequently throughout this manual to
designate a degree or level of seriousness and should not
be ignored.
WARNING
indicates a potentially hazardous
situation that if not avoided, could result in personal injury or
death.
CAUTION
indicates a potentially hazardous situation
that if not avoided, may result in minor or moderate injury
or property damage.
WARNING:
ELECTRICAL SHOCK, FIRE OR
EXPLOSION HAZARD
Failure to follow safety warnings exactly could
result in serious injury or property damage.
Improper servicing could result in dangerous
operation, serious injury, death or property
damage.
Before servicing, disconnect all electrical power
to furnace.
• Before servicing, disconnect all electrical
power to the air handler.
• When servicing controls, label all wires prior
to disconnecting. Reconnect wires correctly.
• Verify proper operation after servicing.
WARNING:
NITROGEN
HEALTH
FLAMMABILITY
REACTIVITY
0 Minimal Hazard
1 Slight Hazard
1
0
0
B64BM Air handlers leave the factory with a
nitrogen holding charge. Use caution when
preparing coils for field connections. If repairs
make it necessary for evacuation and charging,
it should only be attempted by qualified,
trained personnel thoroughly familiar with this
equipment. Some local codes require licensed
installation service personnel to service this
type of equipment. Under no circumstances
should the equipment owner attempt to install
and/or service this equipment. Failure to comply
with this warning could result in equipment
damage, personal injury, or death.
REQUIREMENTS & CODES
WARNING:
This unit must be installed in accordance
with instructions outlined in this manual
during the installation, service, and operation
of this unit. Unqualified individuals should
not attempt to interpret these instructions or
install this equipment. Failure to follow safety
recommendations could result in possible
damage to the equipment, serious personal
injury or death.
• The installer must comply with all local codes and regulations
which govern the installation of this type of equipment.
Local codes and regulations take precedence over any
recommendations contained in these instructions. Consult
local building codes for special installation requirements.
• This equipment contains nitrogen gas. Installation or
servicing should only be performed by qualified trained
personnel thoroughly familiar with this type equipment.
• All electrical wiring must be completed in accordance with
local, state and national codes and regulations and with
the National Electric Code (ANSI/NFPA 70) or in Canada
the Canadian Electric Code Part 1 CSA C.22.1.
• Installation of equipment may require brazing operations.
Installer must comply with safety codes and wear
appropriate safety equipment (safety glasses, work gloves,
fire extinguisher, etc.) when performing brazing operations.
• Install this unit only in a location and position as specified on
&
. This unit is designed only for Indoor
installations and should be located with consideration of
minimizing the length of the supply and return ducts. See
Table 5, (page 16)
and the rating plate for proper
circulating airflow data.
• Follow all precautions in the literature, on tags, and on
labels provided with the equipment. Read and thoroughly
understand the instructions provided with the equipment
prior to performing the installation and operational checkout
of the equipment.
• Air handler installations in a residential garage must be
.
• This air handler may not be used for temporary heating
or cooling of buildings or structures under construction.
Operating the air handler during construction is not
permitted and will void the manufacturer’s warranty.
