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380331.01 7
Ventilatie
De generator set betrekt normaliter zijn lucht uit de machinekamer.
Machinekamers met natuurlijke beluchting moeten op de juiste plaatsen 
zijn  voorzien  van  ventilatieroosters  van  voldoende  grootte  (voor  de  ge
-
neratorset alleen is tenminste een doorlaat van 100 cm2 benodigd). Een 
ruime  toevoer  van  lucht,  binnen  de  temperatuurgrenzen  van  de  motor, 
en een voldoende warmteafvoer van de motor en generator is zodoende 
verzekerd.
Een gesloten machinekamer moet een goede ventilatie hebben om een 
redelijk  lage  machinekamertemperatuur  te  waarborgen.  Hoge  aanzuig-
lucht-temperaturen kunnen het motorvermogen doen afnemen en de koel
-
vloeistof temperatuur doen toenemen. Luchttemperaturen boven 38°C re
-
duceren het motorvermogen met 1% voor elke 5,5°C temperatuurstijging. 
Om  dit  effect  te  verminderen  mag  de  machinekamertemperatuur  niet 
meer dan 15°C boven de omgevingstemperatuur liggen.
Pas  een  combinatie  van  ventilatoren  en  luchtinlaatkanalen  toe  om  aan 
deze temperatuureis te kunnen voldoen.
Voor die situaties waarbij aan bovenstaande temperatuureis met natuur-
lijke beluchting niet kan worden voldaan zijn, zowel voor de luchtinlaat als
de luchtuitlaat van de geluidskast, aansluitstukken leverbaar om de gene-
ratorset direct op de luchtkanalen aan te sluiten.
De  luchtinlaten  moeten  voorzien  zijn  van  een  rooster  om  de  machine-
kamer c.q. generatorset te beschermen tegen inslaand water. Beter nog 
is een zo hoog mogelijk opgestelde luchthapper voorzien van een water
-
kering.
De luchtinlaatkanalen moeten naar onderen in de machinekamer lopen, 
om dampen van de bilge al te voeren en verse lucht te laten circuleren.
De luchtafvoer moet zo hoog mogelijk in de machinekamer worden aan
-
gebracht om de warmste lucht al te voeren.
Een eventueel aangebrachte blower dient lucht uit de machinekamer naar 
buiten al te voeren. Het aanzuig punt hiervan moet zo laag mogelijk lig
-
gen.
Ventilation
The generator set normally draw air from the engine room.
Engine rooms with  natural  ventilation must have  vent  openings of ade
-
quate size and location (for the generator set only an opening of at least 
100 cm2, 16 sq.inch. is required). An ample supply of air within the tem
-
perature limits of the generator set and carry away heat from the genera
-
tor set in the engine room is thus assured.
A ‘sealed’ engine compartment must have a good ventilation to maintain 
reasonable engine room temperatures. High temperature of intake air re
-
duces engine performance and increases engine coolant temperatures. 
Air temperatures above 38 degrees C (100 degrees F) reduce the engine 
power by 1%  for each  5.5 degree C  (10 degree F) of rise.  To minimise 
these effects the engine room temperature must not be more than 15 de
-
grees C (30 degrees F) above the outside ambient air temperature.
Apply a combination of ventilators, blowers and air intake ducting to met 
the temperature limit.
In cases where it is impossible to met the abovementioned temperature
limit with using natural ventilation connections are available, both for air
inlet and air exhaust of the sound box. With these connections the genera-
tor set can be directly connected to air ducts.
Air inlets should be louvred to protect the engine room where appropriate 
the generator set from water spray. Even better is a cowl ventilator with 
dorade box located as high as possible.
The air inlet ducts should run to the bottom of the engine room to clear 
fumes from the bilges and to circulate fresh air..
Air outlets should be at the top of the engine room to remove the hottest 
air.
An engine room blower (optional) should be used as an extraction ventila
-
tor to remove air from the engine room. Such air intake should be posi
-
tioned as low as possible.
7


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