Group Control - LG PREMTB100 Owners & Installation Manual

INSTALLATION
100
• When you remove the remote controller from the installation plate, insert a small flat head
screwdriver into the bottom side separation hole and turn clockwise to separate the remote
controller.
- There are 2 separation holes at the bottom part. Slowly separate one by one.
- Be careful not to damage the internal parts during the removal.
<Order of Separation>
• Use the connection cables to connect the indoor unit with the remote controller.
DC 12 V Red
Signal Yellow
GND Black
OK
• For the following cases, separately purchase and use the cables suitable for the situation.
- Do not install the cable over 50 m. (It may cause communication issues.)
- If the distance between the wired remote controller and the indoor unit is 10 m or more : 10
m extension cable (model name: PCW-QE10A)
- If you control several indoor unit products with one wired remote controller : Group control
cable (model name: PCW-QG00A)
NOTE
!
During the wired remote controller installation, do not install with wall reclamation. (It may
cause temperature sensor failure.)
Do not install the cable over 50 m. (It may cause communication defect.)
When you install the extension cable, carefully check the direction of the connectors on the
remote controller side and the product side before the installation.
When you install the extension cable, carefully check the direction of the connectors on the
remote controller side and the product side before the installation.
Extension cable specification: Use 2547 1007 22# 2core 3shield, 5 Ø or equivalent or higher
level
Please check if connector is normally connected.
Indoor
Unit side
Connecting cable

Group control

• It connects and controls 2 or more air conditioner indoor units to one wired remote controller.
※Connect using the group control cable.
Indoor unit 1
Master
RED(12V)
YELLOW(SIG)
BLACK(GND)
OK
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.
1
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.
• After checking the existence of the event communication in the product manual, change mas-
ter/slave of the remote controller.
※For details, refer to 'remote controller master/slave' contents.
• Change master/slave of the indoor unit.
- For ceiling cassette and duct product group, change the setting with the indoor unit PCB
switch.
Master Slave Slave
GND
Signal cable
12V
Yellow Yellow
Black Red
GND Signal cable
OK
INSTALLATION
Indoor unit Main PCB
Indoor unit 2 Indoor unit 3
Slave Slave
YELLOW(SIG) YELLOW(SIG)
BLACK(GND) BLACK(GND)
2
No. 3 switch OFF: master (factory ship-out based)
No. 3 switch ON: slave
101