LG Art Cool Series Installation Manual page 21

1. Group Control 1
■ Wired remote controller 1 + Indoor units
Master
Display Error Message
Master
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.
- In case of Central controller and Group controller at the same time, it is possible to connect stan-
dard 2series indoor units or later since Feb. 2009.
- In case of Central controller setting, the Central controller can control indoor units after setting only
the address of master indoor unit.
- Slave indoor unit will be operated like master indoor unit.
- Slave indoor unit can not be individually controlled by Central controller.
- Some remote controller can't perform with Dry Contact and Central controller at the same time.
So contact us further information about it.
5. In case of any error occurs at indoor unit, display on the wired remote controller.
Exception of the error indoor unit, an individual indoor unit control possibility.
6. In case of Group Control, it is possible to use following functions.
- Selection of operation options (operation/stop/mode/set temperature)
- Control of flow rate (High/Middle/Low)
- It is not possible at some functions.
❈ Indoor units be set possible using a wireless remote controller.
This indoor unit be set possible using a wireless remote controller for setting group control.
(type : Wall Mounted, ART COOL Gallery, ART COOL Mirror)
❈ It is possible to connect indoor units since Feb. 2009. In the other cases, please contact LGE.
❈ It can be the cause of malfuctions when there is no setting of master and slave.
Slave
Slave
Only connect serial signal and GND lines
between slave indoor unit
Installation
LGAP Network System
Slave
Installation Manual 21
GND
Signal
12 V