LG ARUM080LTE5 Engineering Product Data Book page 780

Multi V 5
2. Control System List
Connect CN-CC with Indoor PCB by the cable(provided)
- Connection of Dry contact only
Indoor
PCB
CN-CC
CHANGE
OVER_SW
CN_Ther/Oper
CHANGEOVER_SW
RESET_SW
Notes
Do not input the voltage signal in
"NON VOLT" setting mode otherwise
it will cause serious damage
For no Power Contact Point signal Input
Operation Display
Power
AC or DC
Error Display
Power
AC or DC
LG does not
supply this section
(Local supply)
In Case Non Voltage Signal
Indoor unit PCBA
Main PCB
Main PCB
Room
Temperature
CN-ROOM Connector
Sensor
• If you need more detail, please refer to the Control PDB or the manual of product.
(http://partner.lge.com/global : Home> Doc.Library> Product > Control(BECON))
10
DRY CONTACT
PCB
CN-CC
24 V~
Thermostat
LG does not
supply this section
(Field supply)
CHANGE
OVER_SW
CN_MODE
CN_WIND
SETTING_SW
DISPLAY_LED
TEMP_SW
CN_OUT
Operation Display
Local Supply
Error Display
Local Supply
In Case Voltage Signal
Indoor Unit
Outline of system
To Apply Power Source through PCB
Thermostat
LG does not
supply this section
Connect separate (Field supply)
External voltage of
DC 12 V, 24 V~
CN_Ther/Oper CN_MODE
CN_WIND
CHANGEOVER_SW
RESET_SW
SETTING_SW
DISPLAY_LED
TEMP_SW
CN_OUT
For Power Contact Point signal Input
Power Local Supply
AC or DC
Power Local Supply
AC or DC
Indoor unit
PCB
LG does not
supply this section
(Local supply)
When using with the central controller (Only when the indoor unit
PCB is a non-communication model)
Modbus
Controller
Control System
To Apply Power Source Directly to External Source
CN_Ther/Oper CN_MODE
CN_WIND
CHANGEOVER_SW
RESET_SW
SETTING_SW
DISPLAY_LED
TEMP_SW
CN_OUT
Field Supply
Error Display
(Depends on Error display power type)
Field Supply
Operation Display
(Depends on Operation display power type)
Indoor Unit Monitoring
PI485: Connect to central controller
Central
Controller
CAUTION
Remote temperature sensor only applied to
Cassette and Duct products.
Power
AC or DC
Power
AC or DC