INSTALLATION
14 Copyright © 2008 Mastervolt / October 2008 / WHISPER 15/20 ULTRA - Three Phase / US
2 "SUPER SILENT" EXHAUST SYSTEM
See figure 15. In order to reduce the noise level of the
generating set to a minimum, an option to reduce the
exhaust noise further (especially exhaust water splashing)
is an exhaust/water separator. The exhaust/water
separator allows the cooling water to be ejected through a
line separate from the exhaust fumes and also functions
as a goose neck to prevent water from flooding the engine.
If the exhaust/water separator is mounted more than 60
cm above the water level an additional goose neck is not
required.
If the through-hull exhaust outlet has to be mounted far
from the generating set (total length of the exhaust piping
from generator to top of goose neck (water separator) is
more than 3 m.), an exhaust/water separator must
definitely be installed (see figure 16). The sea water from
the separator must then run down along the shortest
possible path to the through-hull outlet.
However watertraps should be avoided as the fumes still
contains water and this should not accumulate in bents
(refer to fig 17 and 18). An additional outlet exhaust
muffler close to the hull outlet (fig. 14, ref 2) will help
further to reduce noise emission
Figure 17: Water trap in exhaust system
Figure 18: Water will collect in the hanging bend of the exhaust gas hose and will cause back pressure
OK!
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OK!
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