LG JRNU15GTPA4 Installation Manual page 15

4 way ceiling cassette
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It is possible to connect indoor units since Feb. 2009.
It can be the cause of malfuctions when there is no setting of master and slave.
 In case of Group Control, it is possible to use following functions.
- Selection of operation, stop or mode
- Temperature setting and room temperature check
- Current time change
- Control of ow rate (High/Middle/Low)
- Reservation settings
It is not possible to use some functions.
2. Group Control 2
Wired remote controllers + Standard Indoor Units
Master
Display Error Message
Master
 It is possible to control 16 indoor units(Max.) with the master wired remote control.
 Other than those, it is same with the Group Control 1.
Master
Donʼt connect serial 12V line
Master
LGAP Network System
or
Slave
Installation
GND
Slave
Signal
12 V
Installation Manual 15

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