1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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Do not install the unit by yourself (user).
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Follow the instructions detailed in the installation manual.
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When installing the unit, use appropriate protective equipment and tools for
safety.
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Install the unit securely in a place that can bear the weight of the unit.
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Perform electrical work according to the installation manual and be sure to use
an exclusive circuit. Do not connect other electrical appliances to the circuit.
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Ground the unit correctly.
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Do not damage the wires.
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Be sure to shut off the main power when setting up the indoor P.C. board or
wiring.
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Use the speci
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ed wires to securely connect the indoor and outdoor units. At-
tach the wires
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rmly to avoid applying stress to the terminal block.
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Do not install the unit in a place where
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ammable gas may leak.
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Do not use intermediate connection of the power cord or the extension cord.
Do not connect many devices to one AC outlet.
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Use the parts provided or speci
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ed parts for the installation work.
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When plugging the power supply plug into the outlet, make sure that there is
no dust, blockage, or loose parts both in the outlet and on the plug. Verify that
the power supply plug is completely in the outlet.
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Securely attach the electrical cover to the indoor unit and the service panel to
the outdoor unit.
If the electrical cover of the indoor unit and/or the service panel of the outdoor unit are
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When installing, relocating, or servicing the unit, make sure that no substance
other than the speci
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ed refrigerant (R410A) enters the refrigerant circuit.
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Do not discharge the refrigerant into the atmosphere. Check that the refriger-
ant gas does not leak after installation has been completed. If refrigerant leaks
during installation, ventilate the room.
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Use appropriate tools and piping materials for installation.
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When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes.
If the refrigerant pipes are disconnected while the compressor is running and the
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When installing the unit, securely connect the refrigerant pipes before starting
the compressor.
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Fasten a
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are nut with a torque wrench as speci
¿
ed in this manual.
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Install the unit according to national wiring regulations.
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Depending on the installation area, install a Ground Fault Interrupt (GFI) circuit
breaker.
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could occur.
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Perform the drainage/piping work securely according to the installation manual.
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damage household items.
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Do not touch the air inlet or the aluminum
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ns of the outdoor unit.
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Do not install the outdoor unit where small animals may live.
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CAUTION
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WARNING
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1. BEFORE INSTALLATION
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ENGLISH
63/,77<3($,5&21',7,21(56
INSTALLATION MANUAL
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manual of the multi unit for outdoor unit installation.
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Required Tools for Installation
Phillips screwdriver
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3 in. (75 mm) hole saw
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Wrench (or spanner)
5/32 in. (4 mm) hexagonal wrench
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Pipe cutter with reamer
