LG AMNH096VEA0 Service Manual page 116

Control Devices and Function
I 2 OR MORE SIMPLE CENTRAL CONTROL CONNECTION
OUTDOOR
MAIN PCB
BUS
B
BUS
A
GND
+10V
Outdoor unit 1
OUTDOOR
MAIN PCB
BUS
B
BUS
A
GND
+10V
Outdoor unit 2
PI485 setting method(LG Aircon Network unit)
I Settings method of
ON KS DO 4H
L1 2 3 4
ON KS DO 4H
L1 2 3 4
• Function of LG Network
- It is possible to connect the network of LG air conditioners and to connect various contents of the network
system, which is simple, deluxe and PC central control.
- Please refer to "LG Control System Manual" about the detail functions and the products possible to network.
- As the Interface for networking, PNF-P14A0M/R/C is applied.
116 Multi type Air Conditioner
INDOOR UNIT 1
INDOOR UNIT 2
INDOOR UNIT 3
INDOOR UNIT 4
INDOOR UNIT 5
INDOOR UNIT 6
GND
Vcc
CN-POWER
S1 S2
L
LED2
LED3
IC1P S5 S6
+ + +
LED7
LED5
S10
S9 + +
+
LED9 LED10 LED11
+ + S14 +
LED13 LED14 LED15
PWB:6870A10001A
D C GND VCC ASM:6711A20005E
+ S15
LED17 ON KSDO4H
L1 2 3 4
S19
Master Mode
INDOOR UNIT 1
INDOOR UNIT 2
INDOOR UNIT 3
INDOOR UNIT 4
INDOOR UNIT 5
INDOOR UNIT 6
Vcc GND
CN-POWER
S2
S1
L
LED2
LED3
IC1P S5 S6
+ + +
LED5 LED7
S9 S10
+ + +
LED9
LED10 LED11
S14
+ + +
D C GND VCC LED13 LED14 LED15
PWB:6870A10001A
ASM:6711A20005E
+ S15
ON KSDO4H
LED17
L1 2 3 4
S19
Master Mode
TPS Inverter Multi Type
1 ON + All OFF : Connection of "TPS Inverter Multi Connection + General Central
Controller" Case.
1,4 ON + All OFF : Connection of
Central Controller applied ¡¸ LGAP¡¹ " Case.
* LGAP : LG Air conditioners Protocol
<Group Number 0>
C D
Master
CN-POWER
GND
CN-COM B
CN-COM A
S4
LED4
S3
+
LED8
TX1
1. Adhere the PI485 Module(For connecting central control) to the Control Box.
S11 S12
LED12
S16
S15 + 2. Connect the PI485 Module to central control.
LED16
S18 3. In the case of connecting two more than central control, set the Master/Slave mode
and then connect each communication lines(C,D) <Refer to above fig>.
Group Number 0
*Special purcharse: Central control(P/No.:4995A20105F),
PI485 Module(PNF-P14A0M)
* It can be added to 15 Central controls for the slave control.
<Group Number 1>
C D
CN-POWER
GND
Slave
CN-COM B
CN-COM A
S4
LED4
+ S3
LED8
TX1
S11 S12
LED12
S15 S16
+
LED16
S18
Group Number 0
Selection of product
unit type
ON KS DO 4H
L1 2 3
"TPS Inverter Multi Connection +
DIP SWITCH
Note
DIP SWITCH
Group No.
Indoor No.
Selection of network type
4
001