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Group Control - Method 4
The only remote controllers that support Group Control - Method 4 are the Simple Remote Controllers.
• Two Simple Remote Controllers (maximum) are connected to one indoor unit.
• Set only one indoor unit in a group to master; set the others to slave. If master / slave(s) are not set properly in a group application, a
malfunction will occur.
• Set only one Simple Remote Controller to master; set the others to slave (IDU function 7).
• All types of indoor units can be configured in a Group Control - Method 4 configuration.
• A wireless remote controller can be used at the same time as a Simple Remote Controller.
• A dry contact and central controller can be connected at the same time (to a master indoor unit only).
• If an error occurs at an indoor unit, the error code is displayed at the Simple Remote Controller.
• Group Control - Method 4 supports all indoor unit functions.
Figure 68: Group Control - Method 4, Two Simple Remote Controllers Connected to One Indoor Unit.
Dry Contact
(Optional)
Master
Wireless
Master
Simple
Handheld
Remote
Controller
Controller
AC Smart 5
LGAP Network System
Slave
Display Error Message
Slave
Simple
Remote
Controller
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
CONTROLS SETUP
ACP 5
Slave
GND
Slave
Signal
12 V
77
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