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Installation Manual
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
Figure 81: Group Control - Method 3, Standard Indoor Units and Outside Air Units Configured as Two Groups, Each with a Main Wired
Controller.
Group Control - Method 3
Similar to Group Control - Method 1, except outside air units and standard indoor units must be grouped separately (N, M ≤ 16) because set
temperatures are different.
Figure 82: Correct and Incorrect Group Control Conguration with Standard Indoor Units and Outside Air Units.
GND
Signal
12 V
OAU
Main
OAU
Sub
Main
Sub
Main
Main
Display Error Message
Display Error Message
N
M
Dry Contact
(Optional)
ACP 5
AC Smart 5
LGAP Network System
MultiSITE CRC1
Wireless
Handheld
Controller
OAU Controller
* OAU : Outside Air Intake Unit
Standard: Standard Indoor Unit
OAU
Standard
Standard
OAU
OAU
Standard
Standard
OAU
MultiSITE CRC1
OAU Controller
OAU Controller
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