LG PREMTTB101 - Group Control

139
INSTALLATION
138
INSTALLATION
ENGLISH
Group control
• It connects and controls 2 or more air conditioner indoor units(Maximum number of IDU : 16ea)
to one wired remote controller.
※Connect using the group control cable.
① Group control cable (PZCWRCG3): Connect to indoor unit’s wired remote controller connector
② Extension cable (PZCWRC1): Connect to No. ① cable and slave indoor unit’s wired remote
controller connector
While No. ① cable is connected, connect No. ② cable.
Change master/slave of the indoor unit.
- For ceiling cassette and duct product group, change the setting with the indoor unit PCB switch.
RED(12V)
YELLOW(SIG)
BLACK(GND)
YELLOW(SIG)
BLACK(GND)
YELLOW(SIG)
BLACK(GND)
OK
Indoor unit Main PCB
Indoor unit 1
Indoor unit 2 Indoor unit 3
Master Slave Slave
1
2
NOTE
!
• Connect only GND and signal cable to the indoor unit set as slave. (If power cable is also
connected, it may cause loss of communication)
• Inquiries related to the purchase of the cable shall be directed to the specialized company
and the service center.
Master Slave Slave
GND
GND
12V
Signal cable
Signal cable
Black
Red
No. 3 switch OFF: master (factory ship-out based)
No. 3 switch ON: slave
YellowYellow
Yellow
OK
12345678
ON
12345678
ON
- For the details on the wireless remote controller master/slave setting changes, refer to the
wireless remote controller manual.
- After completing the master/slave setting in the indoor unit product, turn Off the power of the
indoor unit product, and turn On the power after 1 minute.
• You can use two wired remote controllers for one indoor unit.
- A dedicated cable must be used for the connection. If necessary, use an extension cable
additionally and install. (2-Remo cable : PZCWRC2, Extension cable : PZCWRC1)
- For normal operation, one should be set as master and the other as slave.
(Refer to the function "Installation setting - RMC master/slave")
- After completing the RMC master/slave setting, turn off the power of indoor unit, and turn on
the power after 1 minutes.
- You cannot control the group as shown in the right for some products.
NOTE
!
• During the group control, set only 1 indoor unit as master.
• During the group control, some functions other than the basic operation setting, fan speed
Low/Med/High, remote controller lock setting, and time setting may be limited.
• During the individual control, if the master indoor unit Dip switch is set to slave, malfunction
may occur.
GND
DC 12 V
B Y R B Y R
Signal
GND
DC 12 V
Signal
OK
Master
OK
Slave