Denomination For Each Component - LG BNU-BAC Installation & Owner's Manual

Denomination for each component

9
10
Left side
1. Button & LCD for setting the network environment and displaying the display
2. RS-485 communication port (4EA) for connecting the Air conditioner/Ventilator PI485
3. RS-485 communication terminal (reserved) for the external extension
5. RS-232 port : for updating the program
6. Reset switch : Software reset switch
7. Power On/Off switch
8. DC12V adaptor connection terminal
9. Terminals (20 ports) for connecting the external input signal - DC 0~24V input terminal
10. Terminals(4 port) for connecting the external ouput signal : port # 1 ➝ fire interlocking ,
others ➝ reserved
Note: It is possible to freely start or stop the indoor unit for corresponding to High or Low signal of
each external input signal.
1
1
DI
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MENU/
17
SELECT
18
19
20
1
DO
2
3
4
Front
Main features & Specification
TX
LG-NET 1
RX
TX
LG-NET 2
RX
TX
LG-NET 3
RX
TX
LG-NET 4
RX
TX
Ext 1
RX
TX
Ext 2
RX
ACT
Ethernet 1
LNK
ACT
Ethernet 2
LNK
TX
Console
RX
Run
Power
Right side
Installation/Owner Manual 11
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3
4
5
6
7
8