Construction
E - 12
Main cable
Bus cable
Indoor unit
Indoor unit
Earth leakage
breaker
3. Points regarding electrical construction (indoor unit)
2Ceiling embedded high static pressure type (DR67 type, DR96 type)
Individual indoor power supply system
Note ●The value within ( ) for the minimum cable size is the maximum length (m).
●For remote control cable, use the separately sold item (exposed).
Indoor power supply bus system
● The value within ( ) for the minimum cable size is the
maximum length (m).
● If the power to one indoor unit is not switched on, then
other indoor units will sound a warning. Therefore, indoor units
should take the power from one location that is separate from
the outdoor unit.
● When the indoor unit power supply is from a bus system, the
power cabling system should be grouped according to the
refrigeration piping system.
● The number of indoor units in one power supply system is
limited by the capacity of the cabling.
● Please note that the terminal board capacity and the
maximum cable size that can be connected are as shown in the
table below.
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