LG MULTI V ARNU073BGA4 Installation Manual page 73

Group Control
Figure 53, Figure 54, and Figure 55 show examples of typical control configurations. Figure 53 shows one wired remote controller configured
as a Master to control a group of indoor units. Figure 54 shows two wired remote controllers, one configured as a Master and the other as a
Slave. Figure 55 shows a system with indoor units and fresh air units configured as two groups, each with a Master wired controller. Config-
ure the fresh air units as one group and the standard indoor units as another group. Figure 56 shows both a correct and an incorrect control
configuration for this type of mixed unit system.
LGMV
Dry
Contact
(Optional)
LGMV
Dry
Contact
(Optional)
Figure 53: Group Control - Method 1
LGAP Network System
Slave
Master
Display
Error
Message
Master
Figure 54: Group Control - Method 2
LGAP Network System
Slave
Master
▪ Connect Signal and GND lines
Display
between slave indoor units
Error
Message
▪ Do not connect 12V line
between slave indoor units
Master
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CONTROLS SETUP
ACP Bacnet/ACP LON
AC Smart
(Optional)
Slave
▪ Connect Signal and GND lines between slave indoor units
▪ Do not connect 12V line between slave indoor units
12V
ACP Bacnet/ACP LON
AC Smart
(Optional)
Slave
12V
Other Building
Mgmt System
(Optional)
Slave
Signal GND
Other Building
Mgmt System
(Optional)
Slave
Display
Error
Message
Slave
Signal GND
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