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Operation 4-23MN2408
Manual Start/Stop
To manually Start the Gen–Set, set the Master Control switch to the “Manual Run” position. The
following happens:
1. When the “Manual Run” push–button is pressed, an Engine Start Delay timer is
initiated. (The start sequence will not be initiated if any shutdown fault condition is
present.)
2. When the engine start delay time expires, an engine RUN and CRANK output signal
will be initiated. (The RUN output may be programmed to only energize when a start
signal is initiated and an engine speed signal is detected.)
3. When the engine starts and begins to accelerate to nominal speed, the controllers
speed sensor will terminate the CRANK output when engine speed reaches
approximately 20% speed (i.e. CRANK DISCONNECT speed setpoint).
To manually Stop the Gen–Set, set the Master Control switch to the “Stop” position. The
controllers RUN output will be immediately terminated which will initiate the engine stop
sequence. The engine is locked out and will not run with the Master Control switch in “Stop”.
Automatic Start/Stop
To setup the generator for automatic operation, set the Master Control switch to the “Auto Start”
position. The following happens:
1. The engine will automatically start upon activation of the remote start contact input. The
remote device initiates a start sequence upon contact closure.
2. When the remote start signal is activated, the engine will start as per the sequence of
operation described for the manual start sequence.
3. The automatic stop sequence will be initiated by removal of the remote start signal.
4. When the start signal is removed, a cool down delay function will be initiated.
5. When the cool down time delay period expires (typically 5 minutes), the controllers
RUN output will be immediately terminated which will initiate the engine to stop.
Automatic Fault Shutdown
When a fault circuit is programmed as a SHUTDOWN, the engine will immediately stop when the
fault is activated. A specific shutdown fault can be programmed with a definite time transient
delay period that must expire before the shutdown is activated. The stop sequence will cause the
controllers RUN output to be immediately terminated which will cause the engine to stop.
Figure 4-11 9957N Analog Engine Controller Connections
5
4
3
2
1
12
11
10
9
8
7
15 14 13 X1
Fuel Relay
Remote Start
Contact
10A
Start Relay
Display
LED’s
Low Oil Pressure
High Water Temperature
Overcrank
Overspeed
RUN (Engine Started – Not Used)
Common Alarm (Not Used)
Starting Battery
Magnetic
Pickup
External Components
Auto
Off
Manual
High Water
Temperature
Low Oil
Pressure
6
Oil Pressure Water Temperature Delay
Overspeed
Crank Disconnect
Single (On) or Cycle Crank (Off)
Overspeed Verify (Off = True Speed,
On = 13% increase)
Crank Cycle
Crank Attempts
3
1
Off
2
Off
Switches shown in
OFF position
Crank Attempts
2
OffOn
3
OffOff
4
OffOn
1
Off
Off
On
On
5
OnOff
6
OnOn
7
OnOff
8
OnOn
Off
Off
On
On