LG Multi V Series Installation Manual page 19

1. It is possible to 16 indoor units(Max.) by one wired remote controller.
Set only one indoor unit to Master, set the others to Slave.
2. It is possible to connect with every type of indoor units.
3. It is possible to use wireless remote controller at the same time.
4. It is possible to connect with Dry Contact and Central controller at the same time.
- The Master indoor unit is possible to recognize Dry Contact and Central Controller only.
5. In case that any error occurs at indoor unit, the error code is displayed on the wired remote
controller.
It is possible to control the other indoor units except the error units.
h It is possible to connect indoor units since Feb. 2009.
h It can be the cause of malfuctions when there is no setting of master and slave.
h 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
n Wired remote controllers + Standard Indoor Units
Master
Donʼt connect serial 12V line
Display Error Message
°C / °F (5 s) °C / °F (5 s)
TIME (3 s) TIME (3 s)
Master
h It is possible to control 16 indoor units(Max.) with the master wired remote control.
h Other than those, it is same with the Group Control 1.
or
Slave
Master
Master
Installation
LGAP Network System
Slave
Installation Manual 19
GND
Signal
12 V