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Safety considerations
Read these Safety considerations for Installation carefully be-
fore installing an air conditioner or heat pump. After complet-
ing the installation, make sure that the unit operates properly
during the startup operation.
Instruct the customer on how to operate and maintain the
unit.
Inform customers that they should store this Installation
Manual with the Operation Manual for future reference.
Always use a licensed installer or contractor to install this
product.
Improper installation can result in water or refrigerant leak-
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Meanings of DANGER, WARNING, CAUTION, and NOTE
Symbols:
DANGER . . . . . . . . Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING . . . . . . . Indicates a potentially hazardous
situation which, if not avoided,
could result in death or serious
injury.
CAUTION . . . . . . . . Indicates a potentially hazardous
situation which, if not avoided,
may result in minor or moderate
injury. It may also be used to alert
against unsafe practices.
NOTE . . . . . . . . . . . Indicates situations that may result
in equipment or property-damage
accidents only.
INFORMATION . . .
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or additional information.
DANGER
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ous injury or death.
Do not ground units to water pipes, gas pipes, telephone
wires, or lightning rods as incomplete grounding will result
a severe shock hazard resulting in severe injury or death.
Additionally, grounding to gas pipes will result a gas leak
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If refrigerant gas leaks during installation, ventilate the
area immediately. Refrigerant gas will result in producing
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gas will result in severe injury or death.
After completing the installation work, check that the re-
frigerant gas does not leak throughout the system.
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ous injury or death.
Safely dispose all packing and transportation materials
in accordance with federal/state/local laws or ordinances.
Packing materials such as nails and other metal or wood
parts, including plastic packing materials used for trans-
portation will result in injuries or death by suffocation.
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WARNING
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work. Installation must be done in accordance with this
installation manual. Improper installation could result in
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When installing the unit in a small room, take measures to
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of an accident in a closed ambient space, could result in
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Install the air conditioner or heat pump on a foundation
strong enough that it can withstand the weight of the unit.
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falling and causing injuries.
Take into account strong winds, typhoons, or earthquakes
when installing. Improper installation could result in the
unit falling and causing accidents.
Make sure that a separate power supply circuit is pro-
vided for this unit and that all electrical work is carried
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or improper electrical construction could result in electric
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connections or wires. Improper connections or installation
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cover can be securely fastened. Improper positioning of
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the terminals overheating.
Before touching electrical parts, turn off the unit.
This equipment can be installed with a Ground-Fault Cir-
cuit Interrupter (GFCI). Although this is a recognized mea-
sure for additional protection, with the grounding system in
North America, a dedicated GFCI is not necessary.
Securely fasten the unit terminal cover (panel). If the
terminal cover/panel is not installed properly, dust or
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electric shock.
When installing or relocating the system, keep the refriger-
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refrigerant (R410A) such as air. Any presence of air or oth-
er foreign substance in the refrigerant circuit could result
in abnormal pressure rise or rupture, resulting in injury.
Do not change the setting of the protection devices. If the
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pressure switch, thermal switch, or other protection device
is shorted and operated forcibly, or parts other than those
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3P362438-5N English
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