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1 INSTALLATION
This installation manual is valid for the following models:
Part
Description
number
M-SC3.5 / 230V 3000rpm wet exhaust
41200600
DDC controlled
M-SC3.5 / 230V 3000rpm wet exhaust
41200606
DDC controlled - ungrounded
For other models see our website: www.whisperpower.eu.
To ensure reliability and durability of the equipment, it is
very important that the installation is carried out with the
utmost care and attention. To avoid problems, such as
temperature problems, noise levels, vibration, etc. the
instructions set out in this manual must be followed and all
installation work must be carried out professionally.
1.1 LOCATION
Since Whisper generating sets have extremely compact
dimensions, they can be installed in tight locations. Please
consider that even almost maintenance-free machinery
must still remain accessible.
When selecting the location area in which to mount the
generating set, make sure there is sufficient room to carry
out any maintenance work. The unit must be easily
accessible on the service side and on the distribution side
to have access to the raw water pump and oil strainer.
Please also note that in spite of the automatic oil pressure
sensor it is still essential that the oil level is checked
regularly.
1.2 INSTRUCTIONS FOR OPTIMAL SOUND AND
VIBRATION INSULATION
Position the generating set as low as possible in the
vessel. As the generating set is already secured to the
base frame by means of flexible engine mountings, the
frame can be mounted directly to the vessel's main
structure.
Figure 1: Mounting of the Whisper generating set.
EN / M-SC3.5 / September 2010
1.2.1
Steel base plate
However to keep resonant vibrations at a minimum, it is
recommended to mount the generating set on a solid steel
base plate, approx. 30 mm weighing approx. 44 kg or 50%
of the weight of the generating set. The engine draws its
inlet combustion air through several holes in the capsule
base. Therefore the capsule must be fitted with sufficient
clearance between the capsule underside and the base
plate. A steel base plate is available from Whisper Power
as an optional accessory (ref. fig. 30, page 23).
1.2.2
Further recommendations
Whisper generating sets are standard equipped with a
"GRP" (Glass Reinforced Plastic) sound cover. The
canopy has been designed to give effective sound
insulation. For optimum sound and vibration dampening,
the following factors should be considered.
1
Avoid mounting the generating set in close proximity
to thin walls or floors that may cause resonance.
2
Sound dampening is extremely poor if the generating
set is mounted on a light weight flimsy surface such
as plywood which will only amplify vibrations. If
mounting on a thinner surface cannot be avoided,
this should at least be reinforced with stiffening struts
or ribbing. If possible, holes should be bored or cut
through the surface to help reduce the resonance.
Covering the surrounding walls and floors with a
heavy coating plus foam will certainly improve the
situation.
3
Never connect the base of the generating set directly
to bulkheads or tanks.
X = wrong, V = OK
INSTALLATION
3
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