LG MULTI V ARNU073M1A4 Installation Manual page 75

Group Control - Method 1, continued.
Figure 64: Group Control - Method 1, One Wired Remote Controller Configured as a Master for Indoor Unit Group Control.
Dry Contact
(Optional)
Master
Display Error Message
MultiSITE CRC1
Wireless
Handheld
Controller
Master
Group Control - Method 2
Similar to Ground Control - Method 1, but controls up to 16 indoor units with the MASTER wired remote controller (group control).
Figure 65: Group Control - Method 2, Two Wired Remote Controllers; One Configured as a Master and the Other as a Slave.
Dry Contact
(Option)
Master
Donʼt connect serial 12V line
Display Error Message
Wireless
Handheld
Controller
Master
MultiSITE CRC1
AC Smart 5
LGAP Network System
Slave
AC Smart 5
LGAP Network System
Master
Master
MultiSITE CRC1
Due to our policy of continuous product innovation, some specifications may change without notification.
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CONTROLS SETUP
ACP 5
Slave
Only Connect Signal and GND
Wires Between Indoor Units.
ACP 5
Slave
GND
Signal
Slave
12 V
GND
Slave
Signal
12 V
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