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A2677 Rev 1.5
X20 Sprayer Reference Manual
Select • ECU 30S if the description on the overlay reads
‘Spray ECU 30S’.
The corresponding part number is A2643.
Please note: The ECU models: ECU and ECU 3 will come
factory loaded with the firmware version BMS207 or higher.
The ECU models ECU 10S, 10SR and 30S will come factory
loaded with firmware version BMS 209 or higher.
Section Valve Mode
Select • 3 wire/Solenoid if the Sprayer is fitted with 3 Wire
Motorized Section Valves or Solenoid Section Valves.
Please note: When 3-Wire/Solenoid is selected the Sprayer
can control 31 Section Valves and one 3-Wire Dump Valve.
This is because both 3-Wire Motor Valves and Solenoids
only require a single signal wire to switch the valves ON
and OFF. Therefore, 31 sections can be selected. The
current harness only support 30 sections.
Select • 2 wire if the Sprayer is fitted with 2-Wire Motorized
Section Valves (Reverse Polarity Valves).
Please note: When 2 wire is selected (2 wire Motorized
Valves of Reverse Polarity Valves) this enables the Sprayer
to control 15 section valves and one 2 wire Dump Valve,
because 2 wire valves require 2 signal wires to switch the
section valves ON or OFF. Therefore, only 15 sections can
be selected.