Mastervolt WHISPER 12.5 ULTRA, Installation Manual, Page: 20 / 40

INSTALLATION SPECIFICATIONS
20
September 2006 / WHISPER 9.5/12.5/15/20 ULTRA / US
2.3 INSTALLATION SPECIFICATIONS
TECHNICAL DATA
Model Whisper 9.5 Ultra Whisper 12.5 Ultra Whisper 15 Ultra Whisper 20 Ultra
Dimensions lxwxh. 35.4 x 22.6 x 25.2” 35.4 x 22.6 x 25.2” 41.7 x 22.6 x 25.2” 45.7 x 26.8 x 27.6”
90 x 58 x 64 cm 90 x 58 x 64 cm 106 x 58 x 64 cm 116 x 68 x 70 cm
Weight including sound shield 735 lbs (334 kg) 735 lbs (334 kg) 838 lbs (380 kg) 1000lbs (454kg)
Max. operation angle 25° 25° 25° 25°
Remote panel 15 m cable Digital Diesel Control System
Battery capacity min. 12V / 70Ah 12V / 70Ah 12V / 70Ah 12V / 120Ah
Fuel consumption
(load dependent)
0.53 – 1.2 US gph
1,5 – 4 litre/hour
0.53 – 1.2 US gph
1,5 – 4 litre/hour)
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
Electrical driven
12V
Electrical driven
12V
Mechanical driven
Manual priming
Max lift fuel pump 3 ft / 1m 3 ft / 1m 3 ft / 1m 3 ft / 1m
Cooling Indirect Indirect Indirect Indirect
Cooling pump Mastervolt self priming raw water impeller pump, PTO driven
Model cooling pump M12 M12 M12 M16
Minimum water supply 4.8 – 6 US gpmin
(18-22 l/min.)
4.8 – 6 US gpmin
(18-22 l/min.)
4.8 – 6 US gpmin
(18-22 l/min.)
5.3 – 6.6 US gpmin
(20-25 l/min.)
Alternator synchronous brushless, maintenance free water cooled
Voltage regulation capacitor (+ optional: AVR )
Output power at 60Hz
power factor cos phi = 1
9.5 kW 12.5 kW 15 kW 20 kW
Battery charger alternator including regulator (50 Amps)
2.4 SPECIFICATION OF THE ACCESSORIES
Model: Whisper 9.5 Ultra
Whisper 12.5 Ultra
Whisper 15 Ultra
Whisper 20 Ultra
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