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NOTICE
Use of this air-handler during construction is not recommended. If opera-
tion during construction is absolutely required, the following temporary
installation requirements must be followed:
Installation must comply with all Installation Instructions in this manual
including the following items:
• Properly sized power supply and circuit breaker/fuse
• Air-handler operating under thermostatic control;
• Return air duct sealed to the air-handler;
• Air filters must be in place;
• Correct air-flow setting for application
• Removing the coil and storing it in a clean safe place is highly recom-
mended until construction is completed and the outdoor unit is installed.
• Clean air-handler, duct work, and components including coil upon com-
pletion of the construction process and verify proper air-handler operat-
ing conditions according as stated in this instruction manual.
• NOTE: Electric strip heater elements tend to emit a burning odor for a few
days if dust has accumulated during construction. Heater elements are
easily damaged. Take great care when cleaning them. Low pressure com-
pressed air is recommended for cleaning elements.
2.0 GENER L INFORM TION
2.1 IMPORT NT INFORM TION BOUT EFFICIENCY ND INDOOR
2.1
IR QU LITY
Central cooling and heating equipment is only as efficient as the duct system that carries
the cooled or heated air. To maintain efficiency, comfort and good indoor air quality, it is
FIGURE 1
MIGRATION OF DANGEROUS SUBSTANCES, FUMES, AND ODORS INTO LIVING SPACES
W RNING
Duct leaks can create an unbalanced system and draw pollutants such as dirt,
dust, fumes and odors into the home causing property damage. Fumes and
odors from toxic, volatile or flammable chemicals, as well as automobile
exhaust and carbon monoxide (CO), can be drawn into the living space
through leaking ducts and unbalanced duct systems causing personal injury
or death (see Figure 1).
• If air-moving equipment or ductwork is located in garages or off-garage stor-
age areas - all joints, seams, and openings in the equipment and duct must
be sealed to limit the migration of toxic fumes and odors including carbon
monoxide from migrating into the living space.
• If air-moving equipment or ductwork is located in spaces containing fuel
burning appliances such as water heaters or boilers - all joints, seams, and
openings in the equipment and duct must also be sealed to prevent depres-
surization of the space and possible migration of combustion byproducts
including carbon monoxide into the living space.
NOTICE
Improper installation, or installation not made in accordance with the Underwriters
Laboratory (UL) certification or these instructions, can result in unsatisfactory
operation and/or dangerous conditions and are not covered by the unit warranty.
5
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