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Part Number 18002, G, 09/24/2019
Connect the Engine Shutdown Control Module’s “V1+” Terminal to a power source through a 2
Amp Breaker. Connect the “Gnd” Terminal to battery ground.
The Terminals labeled “Brown”, “White”, and “Black” connect the Helm Display Unit to the Engine
Shutdown Control Module. Connectors are provided on each component.
Terminals “PS1” & “GND” connect the Fireboy Fire Extinguisher to the Engine Shutdown Control
Module. In applications that require multiple extinguisher systems, the pressure switches must
be wired in series to allow any extinguisher to operate the Engine Shutdown Control Module.
A Helm Display unit that displays an Auxiliary Extinguisher System is also available (DU-SBH-21).
Connect the Auxiliary Fireboy Fire Extinguisher to “PS2” and “Gnd” on the Engine Shutdown
Control Module. Connect the Yellow wire from the DU-SBH-21 to the “Ylw/Aux” Terminal.
Input Terminals are provided to connect control/ignition switches to the Engine Shutdown
Control. The Positive Battery Terminal must be wired to each control/ignition switch and then to
the corresponding Input Terminal (Ex: “In 4”). The provided Fuses are used to configure each
independent circuit as Normally Open (NO) or Normally Closed (NC). They also protect the Engine
Shutdown Control (ESC) from damage due to short circuits or overloads. With the fuse in the
correct position based on the engine/system manufacture’s specifications, connect the desired
engine/system to the corresponding Output terminal (Ex: “Out 4”).
• Gasoline engines must be shut down by interrupting the primary ignition wire from the
ignition switch to the ignition coil. This can be implemented by utilizing the Common (C)
and Normally Closed (NC) Terminals.
• Diesel engines must be shut down by interrupting the fuel source. Some models of fuel
solenoids close when voltage is added, while other fuel solenoids close when voltage is
taken away. Verify how each of your fuel solenoids operate before wiring.
Tighten strain reliefs to secure wires when all connections have been made. A Wiring example is
provided on page 9.
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