LG multi V ARUM Series Installation Manual page 15

ENTERING THE "POWER CODE SETTING" MODE
2. Hold the SETTINGS button for 5 s.
- The display shows the set power code in kW.
- The power code can be changed by shortly pressing the SETTINGS button. It changes cyclically
according to the following table
kW
Cooling
Btu
power
kW
Btu
ENTERING THE "MODBUS ADDRESS SETTING" MODE
3. Hold the SETTINGS button for 5 s.
- The display shows the set address for MODBUS communication. This address is also usable for LG
central control systems.
The MODBUS address can be changed by briefly pressing the SETTINGS button. It changes
cyclically from 90 to A7. (90 = service communication; 91,..., A7 = MODBUS communication)
90
Address 99
A1
ENTERING THE "PROGRAM SELECTION" MODE
4. Hold the SETTINGS button for 5 s
- The display shows the setting of the active program "0".
- Service settings – do not change the program
5. Hold the SETTINGS button for 5 s to return to point 2.
If you do not press the SETTINGS button for 10 seconds, the last set value is automatically saved, the setting
mode is exited and the initial information sequence appears on the display.
Attention! After changing the settings, it is necessary to restart the outdoor unit (restore power). If
the outdoor compressor unit is not restarted, the changes are not accepted by the unit.
SETTING THE INTERNAL SYSTEM ADDRESS (AUTO-ADRESSING PROCESS)
When starting the system for the first time, it is necessary to perform auto-addressing of the system – see the
relevant installation manual for the outdoor compressor unit. During the addressing process, the "- -" symbol
appears on the display. After the addressing is completed, the display shows the assigned module address in
hexadecimal format (for approx. 10s).
The assigned address is displayed in the introductory information sequence:
1 st cycle - basic hardware and software setting information – example:
"LG ... Ar ... 56 ... So ... 4.3 ...So ... 3"
Explanation – module designed to communicate with the compressor unit, model series ARUM/N, power code
set to 56kW, software version 4.3, user software 3
2 nd cycle - basic hardware and software setting information – example:
"LG ... Ar ... 56 ... So ... 4.3 ... So ... 3 ... 11"
2020/07/23
05 07 10
18 24
33 39 45
120 140 160
91 92 93
9A 9B 9C
A2 A3 A4
12 14
36 42 48
50 56
180 200
94 95
9D 9E
A5 A6
16 22 28
60 80 100
62 67 73
220 240 260
96 97
9F A0
A7
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