INSTALLATION SPECIFICATIONS
20 Copyright © 2008 Mastervolt / October 2008 / WHISPER 15/20 ULTRA - Three Phase / US
2.3 INSTALLATION SPECIFICATIONS
TECHNICAL DATA
Model Whisper 15 Ultra Three Phase Whisper 20 Ultra Three Phase
Dimensions lxwxh. 41.7 x 22.6 x 25.2” (106 x 58 x 63 cm) 45.7 x 26.8 x 27.6” (116 x 58 x 70 cm)
Weight including sound shield 838 lbs (380 kg) 1000lbs (454kg)
Max. operation angle 25° 25°
Remote panel 15 m cable Digital Diesel Control System
Battery capacity min. 12V / 70Ah 12V / 120Ah
Fuel consumption 0.53 – 1.4 US gph (2-5.5 litre/hour) 0.53 – 2 US gph (2-7 litre/hour)
Model fuel pump Electrical driven 12V Mechanical driven, manual priming
Max lift fuel pump 3 ft (1m) 3 ft (1m)
Cooling Indirect Indirect
Cooling pump Mastervolt self priming raw water impeller pump, PTO driven
Model cooling pump M12 M16
Minimum water supply 4.8 – 6 US gpmin (18-22 l/min.) 5.3 – 6.6 US gpmin (20-25 l/min.)
Alternator synchronous brushless, maintenance free air cooled
Voltage regulation Automatic Voltage Regulator (AVR) Automatic Voltage Regulator (AVR)
Output power at 60Hz
power factor cos phi = 1
15 kW 20 kW
Battery charger alternator including regulator (50 Amps)
2.4 SPECIFICATION OF THE ACCESSORIES
Model: Whisper 15 Ultra Three Phase Whisper 20 Ultra Three Phase
Water scoop 3/4” = 19 mm 1” = 25.4 mm
Inlet valve 3/4” in / 3/4” out (19 mm in / 19 mm out) 1” in / 1” out (25.4 mm in / 25.4 mm out)
Water strainer 3/4” in / 3/4” out (19 mm in / 19 mm out) 1” in / 1” out (25.4 mm in / 25.4 mm out)
Air vent 3/4” = 19 mm 1” = 25.4 mm
Inlet suction hose 3/4” = 19 mm 1” = 25.4 mm
Fuel filter/water separator 30 micron 30 micron
Fuel inlet and return 5/16” = 8 mm 5/16” = 8 mm
Exhaust hose Ø 2” = 51 mm inner Ø 2” = 51 mm inner
Water lock Ø 2” = 51 mm Ø 2” = 51 mm
Water/gas separator Ø 2” (51mm) – 1 5/8’ (40mm) – 2” (51mm) Ø 2” (51mm) – 1 5/8’ (40mm) – 2” (51mm)
Anti shock mounts Included Included
Battery charger (optional) IVO SMART 12/10; 12V / 10 Amps, 230V/50-60Hz