INSTALLATION SPECIFICATIONS
EN/ Whisper 6/8/12/16 Ultra for mobile applications / May 2009 / Copyright © 2009 Mastervolt 25
3.3 TECHNICAL DATA
WHISPER 6 ULTRA AND 8 ULTRA
Model Whisper 6 Ultra Whisper 8 Ultra
Dimensions (l x w x h) 80.5 x 52.5 x 58.0 cm 90 x 58 x 63 cm
Weight including sound shield 240kg 335 kg
Max. operation angle 25° 25°
Remote panel 15 m cable Digital Diesel Control System
Battery capacity min. 12V / 60Ah 12V / 70Ah
Fuel consumption 1,5 – 4 l/hr, load dependent
Model fuel pump Electrical driven 12V Electrical driven 12V
Max lift fuel pump 1m 1m
Cooling Radiator cooling Radiator cooling
Cooling pump Mastervolt self priming raw water impeller pump, PTO driven
Model cooling pump M M12
Minimum water supply 9-15 l/min 18-22 l/min
Alternator synchronous brushless, maintenance free, water cooled
Voltage regulation capacitor (+ optional: AVR )
Output power at 50Hz, power factor cos phi = 1 5.7 kW* 8 kW*
Battery charger (alternator including regulator): 40 Amps 50 Amps
* Note that this value must be reduced by the power to drive the cooling fans of the radiators.
WHISPER 12 ULTRA AND 16 ULTRA
Model Whisper 12 Ultra Whisper 16 Ultra
Dimensions (l x w x h) 106 x 58 x 63 cm 116 x 58 x 70 cm
Weight including sound shield 380 kg 440kg
Max. operation angle 25° 25°
Remote panel 15 m cable Digital Diesel Control System
Battery capacity min. 12V / 70Ah 12V / 120Ah
Fuel consumption 1,5 – 4 l/hr, load dependent
Model fuel pump Electrical driven 12V Mechanical driven, manual priming
Max lift fuel pump 1m 1m
Cooling Radiator cooling Radiator cooling
Cooling pump Mastervolt self priming raw water impeller pump, PTO driven
Model cooling pump M12 M16
Minimum water supply 18-22 l/min 20-25 l/min
Alternator synchronous brushless, maintenance free, water cooled
Voltage regulation capacitor (+ optional: AVR )
Output power at 50Hz, power factor cos phi = 1 12 kW* 16 kW*
Battery charger (alternator including regulator): 50 Amps 50 Amps
* Note that this value must be reduced by the power to drive the cooling fans of the radiators.