Mitsubishi Electric AG-150A Instruction Book page 27

Depending on the status of each group, the following icons will appear on the icons mentioned above.
Schedule setting enabled
Unknown (during initial
startup)
* During energy-save operation, the energy-save icon will appear over the suction temperature.
* When setting ventilation interlock with Mr. Slim units, the air conditioning and interlocked ventilation icon will display ON even when the
interlocked LOSSNAY is operating by itself.
(This will occur when used with the following M-NET adapter: PAC-SF48/50/60/70/80/81MA-E)
* When multiple AG-150A controllers are connected by connecting an expansion controller to the system, "Schedule setting enabled,"
"Energy-save control," and "During night setback" will be displayed only on the AG-150A controller that is executing these functions.
Energy-save control
Intake air temperature
display
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Interlocked unit ON
During night setback
Interlocked unit OFF