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• Indoor power supply must be separated from outdoor power supply.
• Connect the communication cable among the outdoor units when combining the
CAUTION
outdoor units.
• Connect the communication cable between indoor and outdoor units to the main
outdoor unit.
• If the communication cable between indoor and outdoor units and the
communication cable among outdoor units are crossed, communication is not
available.
• The length of the cable among the outdoor units should be under 30m(98´ 5˝) or less.
• Do not multiplex the communication cable to prevent communication error.
• Maximum wiring length between the outdoor unit and the farthest indoor unit is
1000m(3280´ 10˝).
Communication cable
Communication cable
installing the unit _35
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