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However water traps should be avoided as the fumes still con-
tains water and this should not accumulate in bends (see fig. 11).
An additional outlet exhaust muffler close to the hull outlet will
help further to reduce noise emission (figure 8, ref. 2)
X
Fig. 11: Water trap in exhaust system
If the generating set and the exhaust system have been installed
correctly, neighbouring boats will not be disturbed by generating
set noise. With the "super silent" exhaust system, generating set
noises are almost inaudible. For optimal noise reduction, the sea
water outlet from the exhaust/water separator (centre outlet on
the unit, see figure 9) should be installed below the water level to
eliminate noisy splashing of the effluent sea water.
The through-hull outlet for the exhaust fumes should not direct
the fumes directly toward the water surface as this will cause
excessive noise (see fig. 12).
Do not direct the outlet directly toward the water
surface.
OK!
Fig. 12: Outlet direction
WRONG!
M-SQ PRO 15/18 kVA
Marine Diesel Generator
1.5.4 Digital Diesel Control system (12 Volt)
1
DIGITAL DIESEL CONTROL SYSTEM
The electrical control system is standard in 12 Volt with negative
earth. Non- earth return is available as an option for aluminium
vessels to prevent corrosion.
All electrical wiring has been prepared on the generating set to
the control panel prior to despatch from the factory. The engine
is controlled by a very advanced microprocessor based system:
Digital Diesel Control.
The "black box" containing the microprocessor is located on top
of the alternator. A local control panel is on the generating set.
Remote control
A remote control panel also containing a microprocessor is in the
delivery. A 15 m intermediate 8-pole communication cable is in
the standard supply too (refer to fig. 13). If necessary an optional
longer (up to 30m / 100ft) intermediate cable can be connected
if the standard length does not suit the required distance. When
a longer distance than 30m / 100ft is required, consult the Whis-
perPower service department for advice.
Fig. 13: Remote control cable
One can mount the control panel after drilling a hole in the dash-
board using the plastic cover. Refer to the dimensional drawing in
paragraph 3.5.
More remote control panels (slave panels) can be put in parallel
by using the modular connectors on the back of the units. As a
slave one can use the same panel offering all functions again. It is
also possible to use an old or new type slave panel only to start
and stop the generator.
Old type remote panels and system panels can be connected by
means of the green connector.
Pay attention to the colour codes as indicated in fig. 14 when
11
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