Egcon GCU-MP3 User Manual - Page 8

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GCU - MP3 Manual

engine will stop after blocking circuit breaker and preparing for re-outage during the waiting time of

engine cool down.

10.11. If commercial power is in outage (CNT socket CLOSE) while engine cools down, engine cool

down time will be initialized and circuit breaker will be input immediately.

10.12 Engine still operates even if circuit breaker is blocked when warning sign is up (low voltage, over

current, grounding) during automatic mode (during the input of circuit breaker). The circuit breaker will

be back after RESET. When circuit breaker is back and power is returned it operates as described in

11.10.

11. Engine and Generator Protection Device Operation Test(Identical for

Both Manual and Automatic Operation)

Over speed, low oil pressure,

high water temperature, start

failure, over voltage

Over current, low voltage,

grounding

 It is possible to RESET after protection device operation by performing buzzer stop before RESET

11.1. Emergency Stop (EPB-EMERGENCY PUSH BUTTON )

(1) Start engine.

(2) Check if RUN lamp of GCU is on and whether RPM METER show normal RPM.

(3) Press emergency stop button.

(4) Emergency stop lamp will be on and buzzer will sound and circuit breaker will be blocked and

engine will stop.

(5) Press buzzer stop and release emergency stop button and press breakdown reset button.

11.2. Over speed (TEST-OVER SPEED TEST )

(1) Over speed test is possible in any situation.

(2) When pressed OST(Over speed test) button while engine is in operation the buzzer will sound

and RPM METER will show OS value that is currently set.

(3) When pressed buzzer stop and changed OS ADJ when changing OS settig value, the value of

RPM meter and setting value are changed. Press buzzer stop breakdown reset button.

(4) Changed OS value is applied.

11.3. Low oil pressure (OPL - LOW OIL PRESSURE )

Oil pressure switch has relationship with starter motor and ETS TYPE stop output. When oil pressure

switch operates after engine started, output of starter motor is blocked and when oil pressure switch is

closed, stop output of ETS TYPE gets blocked after certain period of time (approx. 5 seconds)

(1) Start engine

(2) Check if RUN lamp of GCU is on and whether RPM METER shows normal RPM.

(3) Connect OPS socket.

(4) Low oil pressure lamp will be on and buzzer will sound and circuit breaker will be blocked

and engine will be stopped.

(5) Press buzzer stop and press breakdown reset button.

11.4 Over temperature (WTL - HIGH WATER TEMPERATURE )

(1) Start engine

Engine Stop

Block Circuit Breaker

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Upon selection

EGCON CO., LTD

86X, BUZZER

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