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12-7
A2677 Rev 1.5
X20 Sprayer Reference Manual
3-Wire Section Valves
The Boom Section Drive outputs from the controller simply apply a
12 Volt signal to Pin-3 of the section valve to open. 0 Volts closes the
valve.
The 3-Wire Section Valves require constant 12 Volt (Pin-1) and
constant Gnd (Pin-2) as well as the 12V signal to Pin-3.
Section Valve Drive Test
Set the controller to Manual mode 1.
Using a digital Multimeter, set to 20vdc connect probes to 2.
Pin-1 and Pin 2 on section one Valve tail
Confirm 12 Volts 3.
Repeat this for all section valve tails.4.
Switch Master Switch ON
Using a digital Multimeter, set to 20vdc connect probes to 1.
Pin-2 and Pin-3 on section one Valve tail
Turn on Section 1 2.
Confirm 12 Volts on Pin 33.
Figure 12-5. 3-Wire Connector