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SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor
or dealer for information and assistance. The qualified installer or agency must use factory-authorized parts or accessories when
modifying this product. Refer to the individual instructions packaged with the parts or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Read these instructions thoroughly and follow all warnings or
cautions attached to the unit. Always install units in accordance with local building codes, the National Electric Code (NEC),
and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B for special installation
requirements.
GENERAL RECOMMENDATIONS (DO'S AND DON'T'S)
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DO read the instructions completely before installation.
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DO take time to perform a quality installation.
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DO NOT obstruct or restrict indoor or outdoor air paths.
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When using flex duct: DO install properly. DO NOT crush or make sharp bends in flex duct, use only gradual bends.
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DO tape and seal all duct joints.
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DO check the indoor conditioned air duct system static pressure losses. It should not exceed those listed in Table 2.
Consult your dealer or distributor for more information.
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When designing indoor supply systems, DO NOT reduce air intakes or discharge sizes.
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DO insulate ALL conditioned air duct system components.
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DO NOT locate room thermostat near conditioned air diffusers.
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DO locate thermostat on an interior wall.
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DO check that condensate drain line drains freely.
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DO NOT let debris fall and collect in indoor or outdoor blowers.
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DO NOT drill into unit (except for 1 in. flanges for ducted return units). This could cause a refrigerant leak.
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DO handle unit with care.
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DO provide minimum installation and service clearances.
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DO build closet so that unit may be removed if necessary.
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DO follow all guidelines for indoor and outdoor air system.
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DO NOT substitute any components without checking with your dealer or distributor. If you do substitute, get approval
in writing. Substitutions without approval void unit warranty.
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DO NOT guess, consult your dealer or distributor if any portion of the installation procedure is unclear.
UNPACK AND INSPECT UNIT
Remove shipping protection and pallet from unit and inspect for damage. Be sure to check for concealed internal shipping
damage. Do not install a damaged unit.
SUPPLIES NEEDED FOR INSTALLATION
The following items are required to install unit.
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Adhesive, aluminum duct tape.
CAUTION: Incorrect type of duct tape may be a fire hazard. A failure to follow this warning could result in a fire and
personal injury or death.
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6-conductor thermostat cable (20 gage wire minimum).
CAUTION: Do not use thermostat wire with less than the recommended number of conductors.
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Supplies to connect indoor air (conditioned air supply) duct to unit.
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Supplies to connect power to unit.
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Supplies to connect outdoor-air duct to unit.
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Supplies to connect condensate drain line.
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Supplies to connect low-voltage thermostat to unit.