LG ARUM080LTE5 Engineering Product Data Book page 757

Multi V 5
8. Electrical Wiring
8.4 Automatic Addressing
■ The address of indoor units would be set by auto addressing
1. Wait for 3 minutes after supplying power. (Master and Slave outdoor units, indoor units)
2. Press RED button of the outdoor units for 5 seconds. (SW01C)
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)
 Main PCB
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.
• Automatic Addressing has to be performed after more than 3 minutes to improve indoor unit
communication when initial power is supplied.
• Please be sure that all the dip switch (1~7) of master outdoor unit is OFF before Automatic Addressing
setting.
46
Dip switch
7 segment
SW04C(x : cancel)
SW03C( : forward)
SW02C( : backward)
SW01C
(Automatic Addressing Setting)
SW01D(reset)
Installation of Outdoor Units