LG PQNFB17B0 - Manual (Page 11)

Denomination for each component
Note: It is possible to freely start or stop the indoor unit for corresponding to High or Low signal of
each external input signal.
LG-NET 1
MENU/
SELECT
TX
RX
LG-NET 2
TX
RX
LG-NET 3 TX
RX
LG-NET 4 TX
RX
Ethernet 1 ACT
LNK
Ethernet 2
ACT
LNK
Console
Run
Power
TX
RX
Ext 1 TX
RX
Ext 2
TX
RX
DI 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DO 1
2
3
4
Front Right side 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
9
10
1
2
3
4
5
6
7
8
Installation/Owner Manual 11
Main features & Specification
ENGLISH