LG NHXM40C1A0, Installation Manual

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12 Multi Type Air Conditioner
Installation of Indoor
GND
12V
B Y R B Y R
MASTER SLAVE
Signal wire
GND
12V
Signal wire
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.
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.
• You cannot control the group as shown in the right for
some products.
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.
- 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.
<When simultaneously connecting
2 sets of wired remote controller>
• When controlling in groups, set the group setting of the remote controller. Refer to Installer setting
section on how to set master/slave for more detail.
1
ON
2 3 4 5 6 7 8 1
ON
2 3 4 5 6 7 8
#3 switch OFF: Master
(Factory default setting)
#3 switch ON: Slave
Group control
GND
GND
12V
Signal wire
Signal wire
1
ON
2 3 4 5 6 7 8 1
ON
2 3 4 5 6 7 8