LG ARUV Series Service Manual page 223

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
Checking the setting of the main unit
The number is sequentially appeared at the 7 segment in 5 seconds after applying the power. This
number represents the setting condition. (For example, represents R410A 30HP) Main model code
Sub1 model code Sub2 model code
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)
2 : heat pump
25 : normal
22 : R22 model
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) LED4, LED3
10 : default
3) LED6, LED5
00 : -
4) LED8, LED7
00 : normal
CAUTION
Product may not properly operate if the relevant DIP switch is not properly setup.
Model Code
Model Code Unit (HP)
60 5
61 6
62 8
63 10
64 12
65 14
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Only for training and service purposes
total capacity
}
Refer to table code
No display: cooling only
41 : R410A model
01 : 10HP unit,
01 : sub1
Unit Ref.
MAIN 410A
2 25 41
10 : 12HP unit, 11 : 14HP unit
10: sub2 11 : sub3
Model Code Unit (HP)
66
67
68
69
- 223 -
Unit Ref.
6
10
SUB R410A
12
14
LGE Internal Use Only
Test Run