FW Murphy Selectronic S1501 series, Installation And Operation Manual

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Section 50 00-02-0271
2018-10-23 - 13 -
Sequence of Operations - Engine Mode
ENGINE APPLICATION
EVENT DISPLAY RELAY
K1 K2 K3 K4 K5 K6 K7
Lube Crank Ign. Fuel Load
Alar
m SD
WAITING ON START
Unit monitors for a valid start signal. Shutdown and
Alarm relays are energized. * User can at this time,
press the Mode key to modify desired setup tables.
Class A inputs are scanned.
Waiting On Start
ETM: xxxxx.x hrs
Off Off Off Off Off On On
Start signal received. Unit advances to Prelube cycle.
Waiting On Start
ETM: xxxxx.x hrs
Off Off Off On Off On On
If an RPM signal is seen before the Start signal is
pressed, a fault occurs. Unexpected
Engine Start!
Off Off Off On Off Off Off
PRELUBE CYCLE
Prelube cycle begins. Permissive timer starts. Lube
relay energized. LUBE CYCLE...
Permissive x:xx
On Off Off Off Off On On
Permissive time expires before Permissive signal* seen
closed. Fault occurs. Lube relay is de-energized. Permissive
Failure
Off Off Off Off Off Off Off
Permissive signal closed. Prelube Cycle timer started.
LUBE CYCLE...
Prelube x:xx
On
Off Off Off Off On On
Prelube Cycle timer times down to zero. Unit advances
to Crank cycle. LUBE CYCLE...
Prelube :00
On Off Off Off Off On On
CRANK CYCLE
Crank Relay energizes. If the Run Delay Preset is > 0,
the controller will wait for a Crank RPM permissive to
proceed. If set to 0, this cycle is skipped
CRANK PERMISS...
Run Delay x:xx
On On Off Off Off On On
Run Delay time expires before RPM > 10 is seen. Fault
occurs. Engine Failure To
Crank!
Off Off Off Off Off Off Off
RPM > 10 is seen, or Crank Permissive cycle skipped.
Cranking continues with purge timer started at preset
time.
CRANK CYCLE...
Purge :xx
On On Off Off Off On On
Purge delay expires. Ignition relay is energized. Fuel
On delay is started. CRANK CYCLE...
Fuel Delay :xx
On On On Off Off On On
Fuel On delay expires. Fuel relay energized. Crank
timer started. The Controller will monitor for a Crank
Disconnect RPM to advance to the Run Cycle.
CRANK CYCLE...
Crank :xx
On On On On Off On On
Crank timer expires before disconnect speed is
reached. Unit goes into Rest cycle. Crank, Ignition, and
Fuel relays are de-energized. When the Rest expires,
the Crank Cycle will repeat.
CRANK CYCLE...
Rest :xx
On Off Off Off Off On On
All crank attempts exhausted. Crank timer expires.
Disconnect speed not reached. Overcrank condition
occurs. All relays de-energized.
Overcrank
Shutdown!
Off Off Off Off Off Off Off