LG Single "A" - Page 50

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Part 2 Functions & Controls
8.4 Main PCB Appearance
(1) [DIP SW2] for [SETTING No. OF IDU] OR [LONG
PIPE].
1 TO 3 PIN SWITCHES RECOGNIZE IDU NORMAL-
LY BEING UP AND DOWN ONE BY ONE.
(2) [SW01B] for [AUTO-ADDRESSING]
(3) [LED01G/LED02G] for SIGNALS
Table 1. signals
8.5 Auto addressing guide
Addressing work assigns address to each indoor unit.
When firstly installing product of roplacing the indoor unit
PCB.
It needs Auto Addressing for Synchro operation
❈ Work procedure
1) DIP SW2 correctly.( )
2) Turn on main power.
3) Press the SW01B for about 3 seconds within 3minutes
After main power on.( )
4) After step 3), the LED01H(green LED) rapidly flick-
ers.When Addressing work is done, green LED is off,
else LED stops flickering and lights continuously.
5) If you fail to perform the Addressing work, repeat step
2),3).
ON
123
45
SW01B LED01G/02G
LED01H
DIP SW2
A
B
Fig.3 ODU PCB
CKECKINGON/OFF
SLOW
ON/OFF
FAILEDON/OFFON/OFF
SUCCEEDEDONON/OFF
UNDERGOINGON/OFFON
MEANSGREEN LED
RED LED
* ON / OFF : CONTINUOUS ON AND OFF.
SLOW ON / OFF : AT A PERIOD OF 1.5s
DIP SW2
Indoor Unit No.
2(Duo)
1(Single)
3(Trio)
4(Quartet)
Long Pipe
Table2.a DIP SW2 Setting
ON
123
4
5
00000
ON
123
45
10000
ON
123
45
11000
ON
123
4
5
11100
ON
12
345
00010