Multiquip DCA20SPXU2D - Manual (Page 45)

DCA20SPXU2D 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11) — PAGE 45
PROTECTIVE DEVICES
PROTECTIVE DEVICES
Protection devices and emergency stop devices are
provided for protection of the generator against trouble
during operation. When the alarm LED on the Digital
Controller lights or fl ashes, stop the engine immediately
and remedy the cause of the problem.
The alarm LED and the LCD display on the Digital
Controller indicate the reason for the shutdown. After
automatic shutdown always inspect the generator and
eliminate any problems that might of caused the shutdown
before attempting to restart the generator.
Before inspecting or troubleshooting the generator, press
the OFF button on the Digital Controller. Place all circuit
breakers in the OFF position and allow suffi cient time for
adequate cooling.
Table 17. Protective Devices
PARAMETER MAIN BREAKER STOP ENGINE
DIGITAL CONTROLLER
DISPLAY
SET POINT
Low Oil Pressure ON YES Low Oil Press. 14.2 PSI (6.89 kPa)
High Water Temperature ON YES High Water Temp. 230°F (110°C)
Overspeed ON YES Overspeed +15%
Fuel Filter Water Level ON NO F/F Water Level
Device is activated whe
water level is high
Over-Current OFF NO N/A
Over-current will trip
main breaker
When ready to restart the generator, make sure all circuit
breakers are OFF. Also check and make sure the that OFF
button on the Digital Controller has been pressed to clear
the system and that the OFF LED on the Digital Controller
is RED. Restart the generator as outlined in the Manual/
Auto startup sections within this manual.
Table 17 list the setpoint of various protection devices and
the action taken.