Checking The Setting Of Outside Units; Automatic Addressing - LG ARUN050LMC0 Installation Manual

Compressor Module-
IDU Communication
cable
Heat Exchanger Module-
Compressor Module
Communication cable
Power/Ground cable

Checking the setting of outside units

Checking according to dip switch setting
- You can check the setting values of the Master outside unit from the
7 segment LED.
The dip switch setting should be changed when the power is OFF.
Checking the initial display
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 10HP)
• Initial display order
Order No
4~12
①
1
②
2
38
46
③
22
1
5
④
6
• Example) ARUN100LSS0
① ②
10 2
www.lgcomfortcooling.co.uk
Note
Model capacity
Cooling only
Heat pump
380V
460V
220V
Standard
Cold temperature area
Tropical
③ ④
38 1

Automatic Addressing

The address of indoor units would be set by Automatic Addressing
- Wait for 3 minutes after supplying power.
(Master and Slave outside units, indoor units)
- Press RED button of the outside units for 5 seconds. (SW01C)
- A "88" is indicated on 7-segment LED of the outside unit PCB.
- For completing addressing, 2~7 minutes are required depending on
numbers of connected indoor units
- Numbers of connected indoor units whose addressing is completed are
indicated for 30 seconds on 7-segment LED of the outside unit PCB
- 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)
[Heat Pump (MAIN PCB)]
DIP-SWITCH 7 - Segment
SW04C ( : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : confirm)
SW01D (reset)
!
CAUTION
• In replacement of the indoor unit PCB, always perform Automatic
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 is only possible on the master Unit.
• Automatic Addressing has to be performed after 3 minutes to
improve communication.
The Procedure of Automatic Addressing
Power On
Waiting 3 minutes
Press RED Button for 5 sec.
(SW01C)
Automatic addressing start
7-segment LED = 88
Don't press RED Button
(SW01C)
• Automatic addressing setting end
Numbers of indoor unit connection set whose
addressing is completed are indicated for 30seconds
Waiting about 2~7 minutes
on 7-segment LED after completing setting
NO
7-segment LED
= 88
YES
Indoor address number is displayed on wired remote control or
indoor unit display window. It is not an error message, will
disappeared when on/off button is pressed on remote control
ex) Display of 01, 02, ..., 15 means connection of 15 indoor units
OK and Automatic addressing is completed normally.
Setting the function
Select the mode/function/option/value using '▶', '◀' Button and
confirm that using the '●' button after dip switch No.5 is turned on.
DIP-SW01 7 - Segment
23
Check the connections
of communication cable
SW04C ( : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : confirm)
SW01D (reset)