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Operation 4-5MN2415
Shutdowns
Continued
Fail To Start − if the engine does not start after 3 start cycles, a shutdown will be initiated and
the Fail to Start Shutdown lamp is On.
Low Oil Pressure − if engine oil pressure is less than the low oil pressure limit (after the Safety
On timer), a shutdown will occur and the Low Oil Pressure Shutdown lamp is On.
High Engine Temperature − if engine coolant temperature exceeds the high engine
temperature limit (after the Safety On timer), a shutdown will occur and the High Engine
Temperature Shutdown lamp is On.
Overspeed − if engine speed exceeds the pre−set limit (14% above the nominal frequency), a
shutdown will occur and the Overspeed Shutdown lamp is On. The Overspeed shutdown is not
delayed, shutdown is immediate.
Note: During start−up the Overspeed trip level is extended to 24% above the normal frequency
for the duration of the safety timer to allow an extra trip level margin. This prevents
nuisance tripping during start−up.
Underspeed − if engine speed goes below the pre−set trip (20% of the nominal frequency) after
the Safety On timer delay, a shutdown will occur and the Underspeed Shutdown lamp is On.
Inputs 1 and 2 can be configured as warnings or shutdowns. The relevant lamp is illuminated
when the input is active.
Editing the Configuration
The 4110 engine controller is fully configurable from the front panel. There is no requirement for
a computer or software.
Access Configuration Editor Figure 4-4.
With the unit is in Stop mode, Configuration Mode is selected by a small switch on the rear,
bottom edge of the printed circuit board. This is partially hidden to prevent accidental operation.
When Configuration Mode is selected, the “Auto” LED will flash rapidly, and all normal operations
are suspended.
Figure 4-4 Configuration Editor Access
Switch in Normal Mode Switch in Configuration Mode
Editing The Configuration
The Stop pushbutton is pressed to select the LED “code“ that corresponds to the function. The
first is the “Pre−Heat Timer”. Pressing Stop again displays “Start Delay” etc. The 5 LED’s on the
left display the code for each function. See Table 4-1.
The Manual pushbutton is pressed to change the value. The 3 LED’s on the right display the
present value. See Table 4-1.
When the correct parameter value is displayed, press the Auto Start button to save the new
setting. Repeat the process for each function value you want to change. When configuration is
complete, return the Configuration Mode Selector Switch to the “Normal Mode” position.
Note: When configuration is complete, return the Configuration Mode Selector Switch to the
“Normal Mode” position to resume normal operation.
Table 4-1 shows the programmable functions and values for this engine controller.