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10 Technical specifications
10.1 Technical specifications for QES 9 and QES 11 units
10.1.1 Readings on gauges
10.1.2 Settings of switches
10.1.3 Specifications of the engine/alternator/unit
Gauge Reading Unit
Ammeter L3 (PA1) Below max. rating A
Voltmeter (PV1) Below max. rating V
Switch Function Activates at
Engine oil pressure Shut down 0.5 bar
Engine coolant temperature Shut down 103°C
QES 9
400/230V - 3ph
QES 9
380/220V - 3ph
QES 9
415/240V - 3ph
QES 9
230V - 1ph
Reference conditions
1)
Rated frequency 50 Hz 50 Hz 50 Hz 50 Hz
Rated speed 1500 rpm 1500 rpm 1500 rpm 1500 rpm
Generator service duty PRP PRP PRP PRP
Absolute air inlet pressure 1 bar(a) 1 bar(a) 1 bar(a) 1 bar(a)
Relative air humidity 30% 30% 30% 30%
Air inlet temperature 25°C 25°C 25°C 25°C
Limitations 2) Maximum ambient temperature 50°C 50°C 50°C 50°C
Altitude capability 3000 m 3000 m 3000 m 3000 m
Maximum relative air humidity 85% 85% 85% 85%
Minimum starting temperature unaided -10°C -10°C -10°C -10°C
Minimum starting temperature with cold start
equipment (optional)
-25°C -25°C -25°C -25°C