Nordyne Light Commercial Air Handler B5SM -090 - Manual (Page 3)

3
IMPORTANT SAFETY INFORMATION
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:
Improper installation, service, adjustment,
or maintenance may cause explosion, fi re,
electrical shock or other hazardous conditions
which may result in personal injury or property
damage. Unless otherwise noted in these
instructions, only factory authorized kits or
accessories may be used with this product.
WARNING:
Unless otherwise noted in these instructions,
only factory authorized kits or accessories may
be used with or when modifying this product.
WARNING:
The safety information listed below must
be followed 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 and the
National Electrical Code (ANSI CI) for special installation
requirements.
• This equipment contains liquid and gaseous refrigerant
under high pressure. Installation or servicing should only
be performed by qualifi ed 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, fi re extinguisher, etc.) when performing brazing
operations.
• Install this unit only in a location and position as specifi ed
on pages 4 & 5. 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 4 (page 12) and the rating plate for proper
circulating airfl ow data
• Consideration should also be given to the accessibility
of fuel, electric power, service access, noise, and shade.
Physical dimensions for each type of installation is
shown on pages 10 & 11. See Figure 4 for horizontal
installations or Figure 5 for Vertical installations.
• 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.
WARNING :
Evaporator coils are shipped from the factory
with a nitrogen charge. Use caution when
preparing coils for fi eld 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..
NITROGEN
HEALTH
FLAMMABILITY
REACTIVITY
0 Minimal Hazard 1 Slight Hazard
1
0
0