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Fabricar: Armstrong World Industries Tamaño del archivo: 2.11 mb Nombre del archivo: Idioma del manual:

To start the set, press the button. Preheating will begin, indicated by the LED. NOTE:-There is no Start Delay in this mode of operation. Starting will commence as soon as the start button is pressed. The Fuel Solenoid is energised, then the Starter Motor is engaged. The engine is cranked for a 10-second period. If the engine fails to fire during this cranking attempt then the starter motor is disengaged for a 10-second period. Should this sequence continue beyond the 3 starting attempts, the start sequence will be terminated and Fail to Start fault will be illuminated. When the engine fires, the starter motor is disengaged and locked out at 20 Hz measured from the Alternator output. After the starter motor has disengaged, the Safety On timer is activated (which is fixed at 10 seconds), allowing Oil Pressure, High Engine Temperature, Under-speed and Charge Fail to stabilise without triggering the fault. Selecting STOP de-energises the FUEL SOLENOID, bringing the generator to a stop. 7.1..2 AUTOMATIC MODE OF OPERATION To initiate a start sequence in AUTO, turn the key to the posi tion. The start sequence is initiated when the remote start input is activated. After a fixed 5 second start delay, Preheating will occur (fixed at 10s) , indicated by the LED. The Fuel Solenoid is energised, then one second later, the Starter Motor is engaged. The engine is cranked for a 10-second period. If the engine fails to fire during this cranking attempt then the starter motor is disengaged for a 10-second rest period. Should this sequence continue beyond the 3 starting attempts, the start sequence will be terminated and Fail to Start fault will be illuminated. When the engine fires, the starter motor is disengaged and locked out at 20 Hz measured from the Alternator output.. After the starter motor has disengaged, the Safety On timer is activated, allowing Oil Pressure, High Engine Temperature, Under-speed and Charge Fail to stabilise without triggering the fault. On removal of the Remote Start signal the Stop delay timer is initiated. Once this timer has expired the Fuel Solenoid is de-energised, bringing the generator to a stop. 7.1.3 WARNINGS Warnings are used to warn the operator of an impending fault BATTERY CHARGE FAILURE, if the module does not detect a voltage from the warning light terminal on the auxiliary charge alternator, the icon will illuminate. 7.1.4 SHUTDOWNS Shutdowns are latching and stop the Generator. The alarm must be cleared, and the fault removed to reset the module. In the event of a shutdown the appropriate LED will be illuminated NOTE:-The alarm condition must be rectified before a reset will take place. If the alarm condition remains it will not be possible to reset the unit (The exception to this is the Low Oil Pressure alarm and similar ‘delayed alarms’, as the oil pressure will be low with the engine at rest). FAIL TO START, if the engine does not fire after the pre-set 3 attempts at starting, a shutdown will be initiated. The icon will illuminate. LOW OIL PRESSURE, if the module detects that the engine oil pressure has fallen below the low oil pressure switch after the Safety On timer has expired, a shutdown will occur. The icon will illuminate. HIGH ENGINE TEMPERATURE if the module detects that the engine coolant temperature has exceeded the high engine temperature switch after the Safety On timer has expired, a shutdown will occur. The icon will illuminate. OVERSPEED, if the engine speed exceeds the pre-set trip (14% above the nominal frequency) a shutdown is initiated. Overspeed is not delayed, it is an immediate shutdown. The icon will illuminate. NOTE:- During the start-up sequence the overspeed trip level is extended to 24% above the normal frequency for the duration of the safety timer to allow an extra trip level margin. This is used to prevent nuisance tripping on start-up. UNDERSPEED, if the engine speed falls below 20Hz (fixed) AR-EXP-CUMMINS-07-00 OWNERS MANUAL Page 27 after the Safety On timer has expired, a shutdown is initi-7.3 TERMINAL DESCRIPTION ated. The icon will flash. PIN DESCRIPCABLE SIZE NOTES NOTE:- The icon is used to indicate both underspeed and overspeed. A flashing icon indicates underspeed. A steady icon indicates overspeed. No 1 TION DC Plant Supply Input (-ve) 1.0mm Connected to plant battery negative 7.2. SETTINGS 7.2.1 FIXED SETTINGS The following settings are factory set and are NOT adjustable. Crank disconnect 20Hz Underspeed 20Hz 2 3 DC Plant Supply Input (+ve) 1.0mm Fuel relay Output 0.5mm Connected to plant battery positive (Recommende d Fuse 2A) Used to operate the fuel solenoid control relay. Overspeed Remote start delay 57Hz (50Hz nominal) 68 Hz (60Hz nominal) 5s 4 Start relay Output 0.5mm Used to operate the cranking control relay. Preheat Crank period Crank rest 10s 10s 10s 5 Preheat Output relay 0.5mm Used to operate the preheat control relay. Safety delay 10s 6 Remote Start 0.5mm Switch to Remote stop delay 30s Input negative to start set. 7 Charg...

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