LG PUDCA0 Installation Manual page 16

Electric Wiring Work
Terminal Block No.
1(L) / 2(N)
1 To Outdoor Unit
2-4
3
6-8
9-10
11-12
13-14
15-17
18
19
20
21-22 To Outdoor Unit
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
39
! CAUTION
If you want to use Analogue Input signal for a variable capacity and a set temperature of
room, you have to connect the wiring of AI 10-2, AI 10-3, AI 10-4.
Connection
Power Supply
Communication Line
To Indoor Unit
(AHU)
DDC Thermostat on/off Signal
DDC
Pipe Out Thermistor
Pipe In Thermistor
To Indoor Unit
(AHU)
Remote Controller
Analog Input
RS485 Communication
Digital Input
Digital Output
COMMUNICATION KIT INSTALLATION
Function
220-240 V~ 50 Hz
220 V~ 60 Hz
208/230 V~ 60 Hz
Fan Signal
Defrost, Heating,
Cooling Signal
Room Thermistor
AI 10-2
AI 10-3
AI 10-4
DI 01-3
DI 01-1
DI 23-3
DI 23-2
DI 23-1
DI 45-3
DI 45-2
DO 01-4
DO 01-3
DO 01-2
DO 23-4
DO 23-2
DO 45-4
DO 45-2
DO 67-4
DO 67-1
Remark.
-
-
Low/Mid/High
-
-
-
-
-
-
Capacity Control
Common Line
Room Temperature Setting
-
Operation ON/OFF
Common Line
Mode Change
Common Line
Air Flow Rate
Running Status (ON/OFF)
Common Line
Comp. Status (ON/OFF)
Running Mode
Air Flow Rate
Error Status
Common Line
15