Group Control - LG PQRCUSA1 Owners & Installation Manual

Group control

1. When installing more than 2 units of air
conditioner to one wired remote controller,
please connect as the right figure.
• If it is not event communication indoor unit, set
the unit as slave.
• Check for event communication through the
product manual.
• Refer to regarding page on how to set the slave.
When controlling multiple indoor units with event communication function with one remote
controller, you must change the master/slave setting from the indoor unit.
- Indoor units, the master/slave configuration of the product after completion of indoor unit power
ʻOFFʼ and then ʻONʼ the power after 1 minutes elapsed sign up.
- For ceiling type cassette and duct product group, change the switch setting of the indoor PCB.
ON
1 2 3 4 5 6 7 8
#3 switch OFF: Master (Factory default setting)
For wall-mount type and stand type product, change the master/slave setting with the wireless
remote controller. (Refer to wireless remote controller manual for detail)
❈ When installing 2 remote controllers to one indoor unit with event communication function, set
the master/slave of the remote controller. (Refer to remote controller master/slave selection)
When controlling the group, some functions excluding basic operation setting, fan level
Min/Mid/Max, remote controller lock setting and time setting may be limited.
2. When installing more than 2 wired
remote controllers to one air conditioner,
please connect as the right picture.
• When installing more than 2 units of wired
remote controller to one air conditioner, set one
wired remote controller as master and the others
all as slaves, as shown in the right picture.
• Refer to Installer setting section on how to
set master/slave.
• You cannot control the group as shown in
the right for some products.
❊ Some products do not use 'Group control'. It depends on the product type.
For more detail, refer to the product manual.
GND
Signal wire
12V
ON
1 2 3 4 5 6 7 8
#3 switch ON: Slave
GND
Signal wire
12V
B Y R
MASTER
<When simultaneously connecting
2 sets of wired remote controller>
Ownerʼs & Installation Manual 7
Installation instruction
GND
Signal wire
GND
Signal wire
12V
B Y R
SLAVE