Central controller is a system used to remotely control the cooling/heating device from the control center.
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Individual operation
While stopped, press the individual operation/stop button to operate the indoor unit and then the
operation/stop status LED will be lit.
While operating, press the individual operation/stop button to operate the indoor unit and then the
operation/stop status LED will be turned off.
Simultaneous operation of the group indoor units
If you press the simultaneous operation button then the indoor units of the group will start operating and
the LEDs will be turned on in turns.
If you press the simultaneous stop button then the indoor units of the group will stop operating and the
LEDs will be turned off in turns.
Simultaneous operation of all the indoor units
If you press the simultaneous Mode button for 2 to 3 seconds then all the indoor units connected will start
operating and the LEDs will be lit in turns.
If you press the simultaneous stop button for 2 to 3 seconds then all the indoor units connected will stop
operating and the LEDs will be turned off in turns.
Individual indoor unit operation mode change
When changing the operation mode of indoor unit, press the individual operation/stop button for 2 to 3
seconds to switch between cooling and heating of the indoor unit.
During cooling operation, the operation/stop status LED is lit in green and during heating operation,
orange.
Group indoor unit operation mode change
➔ Individual locking
If you press the simultaneous operation button and the individual operation/stop button at the same time,
the indoor unit will be locked.
Now, as the operation/stop status LED and the power LED will blink at the same time to indicate that it is
locked.
➔ Individual unlocking
If you press the simultaneous stop button and the individual operation/stop button at button at the same time, the indoor unit will be unlocked. Now, as the operation/stop LED and the power LED will blink at the same time to indicate that it is unlocked.
※ LOCK : Its operation can be set by the central controller only but not set by a remote controller for each indoor unit.
Group indoor unit unlocking
➔ Group indoor unit locking
If you press the simultaneous operation, simultaneous stop and #1 buttons at the same time, the power LED and the LED same time start blinking at the same time to notify that the group indoor unit is locked.
➔ Group indoor unit unlocking
If you press the simultaneous operation, simultaneous stop and #4 buttons at the same time, the power LED and the LED will start blinking at the same time to notify that the group indoor unit is unlocked.
➔ Lock setting indoor unit search
If you press the simultaneous operation and simultaneous stop buttons at the same time, the operation/stop status LED for the locked indoor unit will start blinking at the same time to notify that the indoor unit is locked.
Function to search for connected indoor units
➔ Auto search
Once the central controller set as the master is powered up, LED#1 through #16 will blink in turns and start automatically searching for connected indoor units for 3 minutes.
➔ Search again for indoor unit
During the auto search period, if it fails to find all the connected indoor units, then press the simultaneous operation, simultaneous stop and #16 buttons on the central controller set as the master at the same time. The LEDs for indoor units #1 through #16 will blink in turn to search for connected indoor units again.
➔ Connected indoor unit display
If you press the simultaneous operation, simultaneous stop and #13 button at the same time, the power LED and the LEDs for every indoor unit connected to the group will start blinking to notify you of the indoor units connected to the central controller.
Self diagnosis of indoor unit
➔ Normal
Individual indoor unit operation/stop status LED will remain on or off in green or orange.
➔ Error condition
In case of fault with the indoor unit, the operation/stop status LED will turn in red and if recovered to normal, depending on the operation mode, it will be displayed in green or orange.
Search for a set group
If you press the simultaneous operation, simultaneous stop and #6 buttons at the same time, then the operation/stop LED corresponding to the group number will start blinking.
This guide was created for all models, so the images or content may be different from your product.
