ARAG SERIE 4663 Electric Control Box 7 - 9 - Manual (Page 12)

12
7 COMPUTER CONTROL AND DISPLAY
7.1 Control panel
Fig. 12
A Switches controlling control box and
spraying stages (par. 7.2).
B Pressure display and display setting
keys (ch. 8).
7.2 Using the switches
Control box ON/OFF switch
• Move the switch up (led on) to power the control box on.
• Move the switch down (led off) to power the control box off.
WARNING: If the control box is left on, it may drain the battery.
Control valve switch
• to open the control valve, move the switch up (led on).
• to close the control valve, move the switch down (led off).
Section valve switches
• To open the section valve, move the corresponding switch up (led on).
• To close the section valve, move the corresponding switch down (led off).
The section valve control depend on the type of operation enabled with the computer: for full details,
refer to Par. 6.2.7 - Operating modes.
Proportional control valve switch
The lever is normally in the center.
• to increase the amount of liquid to be delivered (pressure increase in control unit)
move the switch up.
• to decrease the amount of liquid to be delivered (pressure decrease in control unit)
move the switch down.
Control box display will show instant pressure value.
WARNING: To display pressure value, a pressure sensor should be installed (par. 6.2.5).
Tab. 3