OPTIONAL OPERATION
ENGLISH
27
Installer Setting-Group Setting
It is a function for settings in group control, or 2-remote controller control.
Function Code Master/Slave value
Select Master/ Slave by pressing 
button. 
(00: Slave, 01: Master)
3
Press        button to save.
4
If pressing   button long for 3 seconds, it 
enters into remote controller setter setup 
mode.
- If pressing once shortly, it enters into 
user setup mode. Please press more than 
3 seconds for sure.
Pressing        button will exit settings mode.
❈ After setup, it automatically gets out of setup mode 
if there is no button input for 25 seconds.
❈ When exiting without pressing set button, the 
manipulated value is not reflected.
1
If pressing        button repeatedly, it moves to 
master/slave selection menu as picture below.
2
5
* Refer to the 'group control' part for details
- When controlling in groups, basic operation settings, airflow strength weak/medium/strong, 
lock setting of the remote controller, time settings, and other functions may be restricted. 
Remote controller  Function
Master
Indoor unit operates based on master remote controller at group control.
(Master is set when delivering from the warehouse.)
Slave 
Setup all remote controllers except one master remote controller to slave
at group control 
1,MFL67939930,영영  2018. 3. 16.  영영 2:25  Page 27