Special Function & Kit - LG Single "A" Service Manual

7. Special Function & KIT
7.1 Wired Remote controller(PQRCUSA0) installation guide
7.1.1 When installing more than 2 units of air
conditioner to one wired remote con-
troller, please connect as the right fig-
ure.
• 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.
7.1.2 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 con-
troller to one air conditioner, set one wired remote con-
troller 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.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
<<You cannot use this function when using Synchro operation>>
GND
Signal wire
12V
GND
Signal wire
12V
B Y R
MASTER
<When simultaneously connecting
2 sets of wired remote controller>
- 31 -
Part 2 Functions & Controls
GND
Signal wire
GND
Signal wire
12V
B Y R
SLAVE
LGE Internal Use Only