LG MULTI V ARNU07GBHA4 Installation Manual page 15

5. In case of any error occurs at indoor unit, display on the wired remote controller.
It is possible to control the other indoor units except the error units.
❈ It is possible to connect indoor units since Feb. 2009.
❈ It can be the cause of malfuctions when there is no setting of master and slave.
❈ In case of Group Control, it is possible to use following functions.
- Selection of operation, stop or mode
- Temperature setting and room temperature check
- Current time change
- Control of flow rate (High/Middle/Low)
- Reservation settings
It is not possible to use some functions.
2. Group Control 2
Wired remote controllers + Standard Indoor Units
Master
Donʼt connect serial 12V line
Display Error Message
Master
❈ It is possible to control 16 indoor units(Max.) with the master wired remote control.
❈ Other than those, it is same with the Group Control 1.
or
Slave
Slave
Slave
Installation
LGAP Network System
Slave
Installation Manual 15
GND
Signal
12 V