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Power cable and signal line connection
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Remote controller wiring specifications
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(6) Controller settings
(i) Unit address setting
This control system controls the controllers of more than one air conditioner's outdoor unit, indoor unit and remote control
unit through communication control, using the microcomputers built in the respective controllers. Address setting needs to
be done for both outdoor and indoor units. Turn on power in the order of the outdoor units and then the indoor units.
Use 1 minute as the rule of thumb for an interval between them.
The communication protocol can be choosen from following two types. One of them is the conventional Superlink (hereinafter
previous SL) and the other is the new Superlink II (hereinafter new SL). These two communication protocols have their
advantages and restrictions as summarized in a table in “6. ELECTRICAL WIRING WORK” so please choose a desirable
one meeting your installation conditions such as connected indoor units and centralized controller.
When signal cables are connected into a network involving outdoor units, indoor units or centralized control equipment that
do not support new SL, please select communications in the previous SL mode, even if the refrigerant system is separated
from theirs.
When communication is established after setting addresses, check the communication protocol with the
7 segment display panel of the outdoor unit.
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