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ECU -57N Instruction Manual page 5

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HIGH WATER
TEMPERATURE
FAULT
FUEL RELAY
START RELAY
HIGH WATER TEMP
LOW OIL PRESS
MAGNETIC
PICKUP
REMOTE
START
CONTACTS
6
5
4
3
1
15 14 13 X1
FOR
INFORMATION
ON SETUP OF
POTS AND
SWITCHES SEE
ADJUSTMENTS
PAGE
AUTO
OFF
MANUAL
LOW OIL PRESSURE LAMP
HIGH WATER TEMP LAMP
OVERCRANK LAMP
OVERSPEED LAMP
ENGINE STARTED LAMP
COMMON ALARM LAMP
If the High Water Temperature Switch closes the engine will be shut down immediately. System indicates as
shown and the LED versions indicate via an LED also. The Engine Switch must be placed in OFF and the engine
allowed to cool for reset. The above circuit is grounded fault if you are using positive fault tie your fault switch
common to terminal 13 .
LOW OIL
PRESSURE
FAULT
FUEL RELAY
START RELAY
HIGH WATER TEMP
LOW OIL PRESS
MAGNETIC
PICKUP
REMOTE
START
CONTACTS
6
5
4
3
1
15 14 13 X1
FOR
INFORMATION
ON SETUP OF
POTS AND
SWITCHES SEE
ADJUSTMENTS
PAGE
AUTO
OFF
MANUAL
LOW OIL PRESSURE LAMP
HIGH WATER TEMP LAMP
OVERCRANK LAMP
OVERSPEED LAMP
ENGINE STARTED LAMP
COMMON ALARM LAMP
Upon crank termination the Low Oil Pressure time delay begins. After this delay period if the Low Oil Pressure
switch closes the engine will shutdown immediately. The Fuel Relay is turned off and the appropriate signals
indicate as shown. The LED versions indicate via an LED also. The Engine Switch must be placed in OFF for
reset. The above circuit is grounded fault if you are using positive fault tie your fault switch common to
terminal 13. See Adjustments page for delay time adjustments.

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