LG Multi V ARUB Series Installation Manual page 64

Main unit and Sub unit PCB
DIP switch setting
I Checking according to dip switch setting
1. You can check the setting values of the main outdoor unit from the 7 segment LED and those of the
sub outdoor unit from the LED. The dip switch setting should be changed when the power is OFF.
2. It checks whether the input is properly performed without the bad contact of the dip switch or not
I Checking the setting of the main unit
The number is sequentially appeared at the 7 segment in 10 seconds after applying the power.
This number represents the setting condition.
For example, R410a 30HP(Combined 10+10+10HP), Normal mode ;
Main model code ➨ Sub1 model code ➨ Sub2 model code ➨ total capacity ➨ 3 ➨ 25 ➨ 41
(93)
1~255: Main model code
1~255: Sub1 model code
1~255: Sub2 model code
5~40: HP number(sum of main capacity and sub capacity)
1: Save mode
25: Normal
22: R22 model
I Checking the setting of the sub unit
It is displayed by 8 LED of the sub unit. A set of two LED's represents 0, 1, 2 and 3 in binary.
LED1, LED3, LED5, and LED7 are least significant bit of each digit.
LED2, LED4, LED6, and LED8 are most significant bit of each digit.
1) LED2, LED1
00 : 8HP unit
2) LED6, LED5
00 : -
3) LED8, LED7
00 : normal
CAUTION
Product may not properly operate if the relevant DIP switch is not properly setup.
LED location of the sub part
LED8 LED7 LED6 LED5 LED4
64 Outdoor Unit
(97)
3: Normal mode
41: R410a model
01 : 10HP unit
01 : sub1
11 : data display
LED3
LED2
LED1
(97)
4: Capacity up mode
10 : 12HP unit
10 : sub2
(30)
Code Table
Main Unit
HP Code
8 92
10 93
12 94
14 95
11 : 14HP unit
11 : sub3
Sub Unit
HP Code
10 97
12 98