LG MULTI V S ARUN060GSS4 Installation Manual page 27

[Main PCB]
2, 3, 4, 4.4 Ton
DIP-SWITCH 7 - Segment
SW04C ( : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : confirm)
SW01D (reset)
• Communication speed setting
The factory setting of DIP switch 3 differs depending on production
date.
- Set the DIP switch 3 to "On" if all the indoor units are
"ARN*******4".
- Set the DIP switch 3 to "Off" if not all the indoor units are
"ARN*******4".
CAUTION
!
1. Set the DIP switch No. 3 "On" and if not all the indoor units are
"ARN*******4" connected, normal communication is impossible,
so DIP switch No. 3 must be set to "Off".
2. When changing DIP switch, all power should be off and auto ad-
dressing must be executed.
DIP switch No. 3
Comm. Speed
• Initial display order
Order No
①
4~12
1
②
2
38
③
46
22
1
④
5
6
• Example) ARUN060GSS4
① ②
7 2
Off On
1200 bps 9600 bps
Note
Model capacity
Cooling only
Heat pump
380V
460V
220V
Standard
Cold temperature area
Tropical
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)
[Service PCB]
5, 6, 8 Ton
7-Segment
SW01C
( :confirm)
SW02C
( :backward)
SW03C
( :forward)
[Main PCB]
2, 3, 4, 4.4 Ton
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 ad-
dressing setting again (At that time, please check about using Inde-
pendent power module to any indoor unit.)
• If power supply is not applied to the indoor unit, operation error occur.
• 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 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.
27
SW01D
(reset)
SW04C
(x:cancel)
DIP-SWITCH
Check the connections
of communication cable