Enovation Controls Murphy EMS PRO LITE, Installation And Operation Manual

Page: 27 / 63

Section 40 00-02-0787
2015-03-23
~ 19 ~
Manual Start/Stop Sequence
There is only one start option in Manual Mode.
Start Sequence
•
When you place the AUTO-OFF-MAN key switch in the MAN
position (with no failures present) the SELECTOR text line will
display
MAN . The STATE text line will display PANEL READY .
•
When the key is turned to the MAN position and ECU is selected for
engine type, the ECU enable output turns ON for a period of 5
minutes. After a 5-minute period of inactivity without a start signal or
key press
,
the output becomes inactive. This has no affect on the
start sequence if Mechanical is selected as the engine type.

The following shutdown/alarm circuits are armed:
1.
LOW FUEL ALARM (if set point is above 0%).
2.
LOW FUEL SHUTDOWN (if set point is above
0%). (fuel level factory default on aux. 1 input)
NOTE : A NO SPEED SIGNAL shutdown will occur (when
enabled) if the controller does not read a frequency within 3
seconds after cranking begins.
•
To achieve a start condition, press the green start key. This will
initiate the “prestart delay” after the start key is pressed, the
following will occur:

The STATE: text line will display “PRESTART DELAY”

The “prestart delay” begins timing.

The prestart output turns ON.
•
When the “PRESTART DELAY” expires, the following will occur:

The STATE: text line will display “CRANK ON/OFF”.

The following shutdown circuits are armed:
Low Coolant Level
High/Low Oil Level
High/Low Discharge Pressure
Overspeed
Overcrank
Low Fuel Level (Self-clearing alarm only)
Xducer OOR (Out of Range) High, (Only if float backup not selected)
Xducer OOR (Out of Range) Low, (Only if float backup not selected)
High System Level (Self-clearing alarm or shutdown)
Lo System Level (Self-clearing alarm or shutdown)
Auxiliary 1 (configurable)