The Air conditioning electronic control is a micro processed equipment developed to control the
temperature of the most kind of bus. The control panel and the power board form together the electronic
control. The control panel is connected by a half-duplex serial communication channel. The system can
control the refrigeration and the heating at same time.
Numeric Display
The two digits Numeric Display is used for informing the operator how is the system working. When there
is no function active, the display shows . . Normally the display shows the Set-point when in Automatic
Control Mode or the blower speed when in Ventilation Mode. Beside this, the Numeric Display also shows
the different operation modes and fails.
Set-point
The Set-point is the desired temperature inside the vehicle. To change the Set-point, it is necessary, that
Auto Mode is selected. After pressing the Automatic Control Key , the display will show the Set-point and
may be adjusted by pressing the Temperature Increase or Temperature Decrease Key.
and set the minimum and maximum limits for the Set-point adjustment. If both parameters are
programmed with the same parameter, adjusting the temperature is blocked and the display blinks , to
indicate that this adjustment is not available.
5.4. Numeric Display – Set-point
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