Installation Of Io Module(Optional); Checking The Setting Of Outdoor Units; Automatic Addressing - LG MULTI V Series Installation Manual

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Installation of IO Module(optional)

① Assemble IO Module and bracket.
② Fix the bracket on designated location with two clamp cords(105
mm).
③ Connect the connection wires according to the instructions.
(Please refer to Setting and Using Method.)
※Pictures may differ depending on the model.
- About more information of IO Module, please refer to IO Module
manual.
CAUTION
!
Be sure to turn off outdoor unit power before installation.

Checking the setting of outdoor units

Checking according to DIP switch setting
- You can check the setting values of the Master outdoor 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
①
4~12
1
②
2
38
③
46
22
1
2
④
5
6
9
• Example) ARUN050GSL0
① ②
5 2
+
+
Note
Model capacity
Cooling only
Heat pump
380 V
460 V
220 V
R410A Standard
Compact
Cold temperature area
Tropical
R32 Standard
③ ④
22 1

Automatic Addressing

The address of indoor units would be set by Automatic Addressing
- Wait for 3 minutes after supplying power.
(Master and Slave outdoor units, indoor units)
- Press RED button of the outdoor units for 5 seconds. (SW01C)
- A "88" is indicated on 7-segment LED of the outdoor 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 outdoor 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)]
SW01C ( : confirm)
7-Segment
SW02C ( : backward)
SW03C ( : forward)
SW01D (reset)
SW04C ( X : cancel)
DIP SWITCH
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 s
(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 30 seconds
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.
Check the connections
of communication cable