1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
• Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing the air conditioner.
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1-2. SELECTING THE INSTALLATION LOCATION
1-3. SPECIFICATIONS
CAUTION
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Required Tools for Installation
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Level
Scale
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Torque wrench
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Do not install the unit by yourself (user).
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Perform the installation securely referring to the
installation manual.
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Install the unit securely in a place which can bear
the weight of the unit.
If the installation location cannot bear the weight of the
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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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Do not damage the wires by applying excessive
pressure with parts or screws.
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Be sure to cut off the main power in case of setting
up the indoor P.C. board or wiring works.
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to the terminal block connecting sections so the
stress of the wires is not applied to the sections.
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gas may leak.
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Do not use intermediate connection of the power
cord or the extension cord and do not connect
many devices to one AC outlet.
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for the installation work.
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When plugging the power supply plug into the
outlet, make sure that there is no dust, clogging,
or loose parts in both the outlet and the plug. Make
sure that the power supply plug is pushed com-
pletely into the outlet.
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replace it.
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Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
If the electrical cover of the indoor unit and/or the serv
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When installing or relocating the unit, make sure
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ant (R410A) enters the refrigerant circuit.
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Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation, venti-
late the room.
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could be generated.
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Check that the refrigerant gas does not leak after
installation has been completed.
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Use appropriate tools and piping materials for
installation.
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When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
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When installing the unit, securely connect the re-
frigerant pipes before starting the compressor.
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could be drawn in and the pressure in the refrigeration
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in this manual.
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The unit shall be installed in accordance with na-
tional wiring regulations.
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Earth the unit correctly.
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ning rod or telephone earth. Defective earthing could
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Install an earth leakage breaker depending on the
installation place.
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Perform the drainage/piping work securely accord-
ing to the installation manual.
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hold goods.
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the outdoor unit.
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Do not install the outdoor unit where small animals
may live.
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unit clean.
INDOOR UNIT
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• Rigid wall without vibration.
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OUTDOOR UNIT
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or hot air.
• Where rigid wall or support is available to prevent the
increase of operation sound or vibration.
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the unit legs.
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Note:
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Note:
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• Never install the outdoor unit in a place where its air
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with its air inlet side facing the wall.
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Avoid the following places for installation where air condi-
tioner trouble is liable to occur.
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Model
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Rated
Voltage
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Indoor/outdoor
connecting wire
Gas Liquid
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length
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difference
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Refrigerant
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Insulation
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INSTALLATION MANUAL
ENGLISH
Model names are indicated in 1-3.