ARAG Electriccontrol unit for crop-spraing application 871 - Manual (Page 13)

13
4 SETTING BEFORE USE
• ONLY use clean water for any intervention or adjustment without any chemical
additives.
• Observe rated power supply voltage.
• Make sure to disconnect power to the device before arc welding; consider physical-
ly disconnecting the power supply cables.
• The hook-up diagram shown in Fig. 6 is for illustrative purposes only; standard unit
adjustment procedure may vary depending on which control device is used.
• All indications on installation, adjustment and operation reported below are inten-
ded for the unit installed in the standard mounting position (Fig. 4).
• For detailed information on the operation or adjustment of the valves included in
the unit, ALWAYS refer to the operating and maintenance instructions manual rele-
vant to your control device.
• All valves incorporate a protection that shuts down operation automatically in the
event of overvoltage; to reset the valves, remove power supply to the unit for about
20 seconds.
• Pressure readings are indicated by the pressure gauge or displayed at the control
device (where unit is equipped with a pressure sensor).