2014 960-914-06 (General SVC)

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Only for training and service purposes
6.7 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.
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.
Refer to the product manual for more detail.
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 ‘OFF’ and then ‘ON’ 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)
h 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 set-
ting, 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 master/slaver of the remote controller. Refer to Installer setting section on how to set mas-
ter/slave for more detail.
12345678 12345678
#3 switch OFF: Master
(Factory default setting)
#3 switch ON: Slave
GND
12V
B Y R B Y R
MASTER SLAVE
Signal wire
GND
12V
Signal wire
TEMP
FAN
SPEED
OPER
MODE
TEMP
FAN
SPEED
OPER
MODE
GND
12V
B Y R B Y R
MASTER SLAVE
Signal wire
GND
12V
Signal wire