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8. Electrical Wiring
8.3 Automatic Addressing
• The address of indoor units would be set by auto addressing
1) Wait for 3 minutes after supplying power. (IDU and ODU should be off)
2) Press RED button of the outdoor units for 5 seconds. (5/6HP : SW01, 2.5/3/4HP : SW02)
3) A "88" is indicated on 7-segment LED of the outdoor unit PCB.
4) For completing addressing, 2~7 minutes are required depending on numbers of connected indoor units
5) Numbers of connected indoor units whose addressing is completed are indicated for 30 seconds on 7-segment
LED of the outdoor unit PCB
6) After completing addressing, address of each indoor unit is indicated on the wired remote control display window.
(CH01, CH02, CH03, ......, CH06 : Indicated as numbers of connected indoor units)
n Main PCB
TACT-SW01
Auto Addressing
CAUTION
• In replacement of the indoor unit PCB, always perform Auto addressing setting again (At that
time, please check about using Independent power module to any indoor unit.)
• If power supply is not applied to the indoor unit, operation error occur.
• Auto addressing is only possible on the master Unit.
• Auto addressing has to be performed after 3 minutes to improve communication.
DIP-S/W
DIP-S/W
7 - Segment
TACT-SW02
7 - Segment
Auto Addressing
R410A(50/60Hz)
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