Hardi ZENIT 400, Original Instruction Book

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65
5 - Operation
As this manual does not refer to only one model, since HARDI offers multiple configurations of the same sprayer, the
following chapter refers to the available operating units.
Power supply
Power requirement is 12V DC. Always note polarity! For proper function of the electric equipment, the wires must have
the following recommended cross sectional areas and correct fuses to ensure a sufficient power supply. The delivered
power connectors follows the standard of most newer tractors. If you have a tractor with another power connector, it is
necessary to disassemble the connector and fit it to the actual tractor connector. The number and the type of connectors
may vary on the specific
When 12 V power is taken from other places than the battery, it often
changes in voltage when other power consumption is activated
(Air condition on / off ventilator on the radiator on/ off etc.) That
auxiliation in voltage, do affect the Spray Computer.
Installation of control unit brackets
Find a suitable place in the tractor cabin to mount the control units.
Best recommended position is to the right of the driver seat.
The supplied tractor pillar bracket (A) has a hole spacing of 100 and
120 mm that fits most tractors. Threaded mounting holes may be
hidden behind front corner cover. Check tractor instructions manual
for information regarding attachment points. Three mounting tubes (B)
are supplied. One, two or all three may be used. They can be bent and
shortened. A spacer (C) is also supplied to allow further attachment
possibilities. Find the best solution for your tractor or vehicle. Tube (B)
plate is staggered so that, if correctly orientated, all boxes will line up.
DANGER! Always turn off any spray computer before you
unplug the power supply and cable to the sprayer.
Data transmission must stopped, before power supply is
stopped
A
B
C
100-120 mm