EN
6 LIMITED OPERATION BY GROUP CONTROL
NOTE
Group control: Operate air conditioners in more than one system in same time.
Header indoor unit: The representative unit during group control. Receive commands from wired remote
controller and transmit the commands to follower units.
(Header indoor unit is indoor unit that receives START/STOP signal from the wireless remote controller.)
Follower indoor unit: Indoor units other than the Header unit are called follower unit.
A wired remote controller (separately available) is required for the group control.
▼ Example of group combination
Indoor
Wired remote controller
Outdoor
Indoor
Outdoor
Indoor
Control line
Other connecting line
Outdoor
CAUTION
When using indoor unit in group control,
1. Hi POWER operation will not function.
When Hi POWER is transmitted from wireless remote controller, the receiving sound will be heard from
the indoor unit and display on the wireless remote controller will also change. However, the indoor unit
does not operate Hi POWER operation. Restore the display on the wireless remote controller pushing
Hi POWER button.
2. ECO SLEEP
When ECO SLEEP is transmitted from wireless remote controller, the receiving sound will be heard
from the indoor unit and the display on the wireless remote controller will also be changed as same
as Hi POWER operation. However, the set temperature and the fan speed will not be automatically
adjusted. Only off timer function is activated.
3. Units other than the Header unit cannot be operated with remote controller and the
TEMPORARY operation.
When operating air conditioner with wireless remote controller transmission should be sent to the
Header unit.
Header and follower indoor units are decided through address setting upon installation. Follower unit
will not receive any signals from wireless remote controller.
Air conditioner will not work even if the [RESET] button on the follower unit is pressed.
(Some Follower units may receive SWING and FIX, but these operations are performed only on the
unit that received the signal.)
(When wireless remote controller is used, only the Header unit receives SWING signal. If the SWING
signal is transmitted to follower unit, the sound to refuse receiving signal (3 beeps) is heard and the
follower unit does not receive the signal.
For FIX operation, both Header and follower unit perform the operation by itself. When wired remote
controller is used, airow direction can be changed on each unit by selecting the indoor unit.)
4. TIMER lamp lights up only on the Header unit.
When the timer is set with wired remote controller, even the TIMER lamp on the Header unit will not
light up.
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