INFORMATION
US / WHISPER 6/8/11 / July 2009 / Copyright © 2009 Mastervolt 13
One can fill the engine via the filling cap on the exhaust
manifold. Fill up till the level is just below the filling cap.
When the engine is on temperature the liquid will expand
and the redundant liquid will be pressed into the expansion
tank. This tank has to be filled up till the mark. When
cooling liquid is not available clean fresh water could be
used with an additive of anti freeze. When using water with
anti freeze the right mixture has to be calculated according
to the information of the supplier of the anti freeze. When
the cooling is based on keel cooling or radiator cooling the
capacity of these coolers and piping has to be taken into
account calculating the right mixture. The cooling liquid in
the engine is pressurised and has a boiling point above
212°F (100°C). The temperature switch in the thermostat
housing switches at 230°F (110°C). When keel cooling or
radiator cooling is applied the cooling system is not
pressurised. There should be a special cap on the
manifold without valves leaving the connection to the
expansion tank open. Refer to the manual on keel cooling
and radiator cooling.
2.5.13 Technical data
Model WHISPER 6 WHISPER 8 WHISPER 11
GENERAL
RPM 3600 3600 3600
Alternator water cooled, synchronous
Engine: Mitsubishi diesel, model L2E L2E L3E
Number of cylinders 2 2 3
Displacement 38.75 cu. inch / 635 cm3 38.75 cu. inch / 635 cm3 58.09 cu inch / 952 cm3
Bore X stroke 2.99 x 2.76 inch
76x70 mm
2.99 x 2.76 inch
76x70 mm
2.99 x 2.76 inch
76x70 mm
Combustion air consumption 40cf/m / 1.1 m3/min 40cf/m / 1.1 m3/min 60cf/m / 1,7 m3/min
Continuous power engine 6 kW 7,4 kW 11 kW
Cooling system indirect cooling by raw water, 2.6-3.5US qpm / 10-14 l/min.
Cooling water pump PTO driven Mastervolt self priming impeller pump, type M
Fuel lift pump engine electric pump (12 V DC), additional pump available upon request
Starting battery (optional) 60-90 Ah 12V
Fuel consumption 0.4-1 US gph / 1.5-4 litre/hour, load dependent
Control Digital Diesel Control including automatic start/stop
ELECTRICAL SPECIFICATIONS
Output voltage 120V or 120V/240V 60 Hz alternating current (AC) single phase – dual voltage
Output rating at powerfactor cos phi = 1 6 kW 7,4 kW 11 kW
Voltage tolerance ± 5% ± 5% ± 5%
Frequency tolerance ± 5% ± 1% * ± 1% *
Alternator brushless, two pole, synchronous
Voltage regulation: capacitor capacitor + AVR (option) capacitor + AVR (option)
MECHANICAL SPECIFICATIONS
Supply includes generating set, built into tugged GRP sound shield with steel base plate, mounted
on rubber anti vibration mounts
Dimensions hxwxd 660x495x550 mm
26 x 19.5 x 21.65 inch
660x495x550 mm
26 x 19.5 x 21.65 inch
810x525x615 mm
31.9 x 20.7 x 24.2 inch
Colour top white, bottom green
Weight (including canopy) 178 kg / 392 Lbs 182 kg / 401 Lbs 210 kg / 463 Lbs
Max. installation angle 25 degrees 25 degrees 25 degrees
Standard supplies remote panel (+15 m cable), fuel lift pump, expansion tank
Optional mobile Installation kits, mobile (vehicle) version, non earth return, spare part kits
* Electronic governor
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