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11
Outline of control
Indoor units
Item Operation explanation and applied data, etc. Remarks
11. Auto louvre (1) When the louvre signal has been received from the remote controller or the central
control controller, the auto turn louvre operates if the indoor fan is operating.
12. Frequency fix (1) When holding the START/STOP SW on the remote controller continuously for 5 • Command frequency
operation seconds, the mode changes to Trial operation mode. Then, set the indoor fan to COOL [SD]
(Trial “HIGH” mode to operate the frequency fix. “COOL L”
operation)
• HEAT [SF]
“HEAT H”
13. Filter sign (1) The operation time of the indoor fan is measured and stored in memory, and it is • “FILTER” is
display displayed on the remote controller LCD after the specified time (120H/2500H). displayed
Selection of 120H/2500H is factory set.
(2) When the filter reset signal has been received from the remote controller, the • Selection of J11
measured time is reset and LCD display is cleared. presence
14. STANDBY (1) When phase order of the power source wiring is incorrect. • “STANDBY” is
display • Over capacity combination of indoor units. displayed
• There is an indoor unit with the indoor overflow alarm “0b”.
(2) The above indoor unit status that cannot operate enters standby status when the
thermostat is turned off, and this status continues until STANDBY status is released.
15. Central (1) The functions which can be operated on the indoor unit remote controller can also be
controller selected on the central controller.
selection
[Last-push priority]: • (No display)
Can be operated from both the indoor unit remote controller and the central controller,
and operates with the content as per last selection.
[Central]: • “CENTRAL” is
START/STOP and the timer operation can be selected by the IDU remote controller. displayed
[Operation forbidden]: • “CENTRAL” flashes.
Cannot be operated on the indoor unit remote controller (as STOP status).
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