On Wed, 4/27/16, Joel Potter jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
To: "amelyachtowners@..." <amelyachtowners@...>
Date: Wednesday, April 27, 2016, 7:01 PM


 









The engine room fan that operates when the
propulsion diesel is running runs off the 24 volt
alternator. Fire up your Yanmar and check the voltage then.
It has been my experience that the 24 volt DC extractor
fails well before the 220 volt extractor that is run from
the Onan when it is producing 220 volts. Non scientific
opinion but pretty much proven by my
experiences.
Hope your
extractor fan fires up on 24 volts!

Joel THE EXPERIENCED AMEL
GUY954-812-2485
On Apr 27,
2016, at 2:50 PM, Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@...>
wrote:
















 






Update:



Looking at the owner manual, I just saw the engine, in
addition to the intake fan, has also an extraction fan FASCO
24 Volt 2807-513-122 --- 93004-2815

http://nikimat.com/engine_room_fans.html



Engine on, I noted it was not working and likely the cause
of the warmer engine room.



With a Volt Meter I checked current was going to it and it
did: measured 13 Volt.

It seems normal as the owner manual says so…



Does someone know why this “24 Volt” FASCO 2807-513-122
--- 93004-2815 is connected to a 12 volt connection?



Olivier?

Joel?

Bill? Anyone?



Sincerely, Alexandre

SM2K #289 NIKIMAT

Private Slip, Marina Puerto Bahia, Samana, Dominican
Republic



--------------------------------------------

On Wed, 4/27/16, Alexandre Uster von Baar <uster@...>
wrote:



Subject: [Amel Yacht Owners] Engine room temperature and
cooling

To: amelyachtowners@...

Date: Wednesday, April 27, 2016, 10:54 AM





Good morning,



May be I am a control freak, but when using the engine
or

genset I monitor the temperature of the engine
compartment

via a wireless temperature sensor. 



I rarely use the engine for more than an hour at the
time

(mostly to leave and come back to a marina), but in a
few

occasions had to motor for 10 or more hours.

The temperature in the engine room, will gradually
increase;

when it reaches 47*C I open the engine hatch (sea
condition

permitting obviously) for 1/2 hour to cool it down to
45*C

and so on. 

“My” reason to do this is because of component from
the

generator melting at 50*C. 



Note:  the “suction” (intake) 24 Volt Jabsco

35440-0010 250 CFM Blower Fan is working (starts when
engine

is ON). 



Is there may be an air intake our outtake that could be

partially blocked? 

Is there another fan I am forgetting about? 





Other note: when using the Generator, it rarely goes
over

46*C after 2.5 hour use (its fan is also working).



Sincerely, Alexandre

SM2K #289 NIKIMAT

Private Slip, Marina Puerto Bahia, Samana, Dominican

Republic
























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