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[Amel Yacht Owners] Engine room temperature and cooling

Alexandre Uster von Baar <uster@...>
 

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
Alexandre Uster von Baar <uster@...>
 

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
Kent Robertson
 

Hi Alex,
I'm pretty sure there's an output fan, too.  I believe it is in the forward/port corner of the engine room.
Kent


From: "Alexandre Uster von Baar uster@... [amelyachtowners]"
To: amelyachtowners@...
Sent: Wednesday, April 27, 2016 11:54 AM
Subject: [Amel Yacht Owners] Engine room temperature and cooling

 

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
Bill & Judy Rouse <yahoogroups@...>
 

Alex,

It receives it's power from the 12VDC Starting circuit.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+1832-380-4970 USA Voice Mail

On Apr 27, 2016 7:14 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
amelforme
 

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 GUY
954-812-2485

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
Germain Jean-Pierre <jgermain@...>
 

Hi Alexander,

Because of longer, far longer life for a 24 V fan operating at 12 V.

GL

JPG
Eleuthera, SM 007


On 27 Apr 2016, at 20:50, 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
Alexandre Uster von Baar <uster@...>
 

Good Bill,

More precisely, my question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual confirms it: “both 24 V devices work intentionally on 12 V deliver by the main engine alternator”.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).

Thanks again! Sincerely, Alexandre



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

On Wed, 4/27/16, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
To: amelyachtowners@...
Date: Wednesday, April 27, 2016, 6:22 PM


 









Alex,
It receives it's power from the 12VDC
Starting circuit.
Bill Rouse

BeBe Amel 53 #387

Sent from my tablet

+1832-380-4970 USA Voice Mail
On Apr 27, 2016 7:14 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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Alexandre Uster von Baar <uster@...>
 

Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre




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

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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Bill & Judy Rouse <yahoogroups@...>
 

Alex,

I am not sure, and I have a different engine and a later model SM.

Possibly something has changed on your boat from how it was originally. Did you see Joel's posting that the 24VDC fans were connected to the 24VDC alternator?

BTW, this probably has nothing to do with any of this, but it is possible to connect two 12VDC fans in series to 24VDC.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+1832-380-4970 USA Voice Mail

On Apr 28, 2016 7:59 AM, "Alexandre Uster von Baar uster@... [amelyachtowners]" <amelyachtowners@...> wrote:

 

Good Bill,

More precisely, my question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual confirms it: “both 24 V devices work intentionally on 12 V deliver by the main engine alternator”.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).

Thanks again! Sincerely, Alexandre

--------------------------------------------
On Wed, 4/27/16, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
To: amelyachtowners@...
Date: Wednesday, April 27, 2016, 6:22 PM


 









Alex,
It receives it's power from the 12VDC
Starting circuit.
Bill Rouse

BeBe Amel 53 #387

Sent from my tablet

+1832-380-4970 USA Voice Mail
On Apr 27, 2016 7:14 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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richarddemuynck
 

Once I ordered a new fan for the engine room on my SM 206. To my surprise, I found that it had to be a 24 V motor while I had measured 12 V on the circuit. I phoned SAV AMEL and a technician explained me that the 24 V motor was less vulnerable for overload.
Greetings
Richard; SM 206 "Silence3
Alexandre Uster von Baar <uster@...>
 

Hello Bill,

Yes Joel said it was connected to the 24 Volt alternator, but my owner manual says it is intentionally connected to my 12 volt alternator (I put a screen shot of that page).
And yours is too apparently. Just curious, that’s it.

I found a non working fan, which explain why my engine room is a little warmer, so I am happy.
Will replace in 2 or 3 weeks.

Thanks again! Alexandre




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

On Thu, 4/28/16, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
To: amelyachtowners@...
Date: Thursday, April 28, 2016, 7:49 AM


 









Alex,
I am not sure, and I have a different engine
and a later model SM.
Possibly something has changed on your boat
from how it was originally. Did you see Joel's posting
that the 24VDC fans were connected to the 24VDC
alternator?
BTW, this probably has nothing to do with any
of this, but it is possible to connect two 12VDC fans in
series to 24VDC.
Bill Rouse

BeBe Amel 53 #387

Sent from my tablet

+1832-380-4970 USA Voice Mail
On Apr 28, 2016 7:59
AM, "Alexandre Uster von Baar uster@...
[amelyachtowners]" <amelyachtowners@...>
wrote:















 









Good Bill,



More precisely, my question is why the 24 volt Fans are
connected to a 12 Volt circuit?

The manual confirms it: “both 24 V devices work
intentionally on 12 V deliver by the main engine
alternator”.

http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg



To make sure it was the fan being defective, I started the
Volvo and measured 13 volt (on the wires going to the fan).




Thanks again! Sincerely, Alexandre



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

On Wed, 4/27/16, 'Bill & Judy Rouse' yahoogroups@...
[amelyachtowners] <amelyachtowners@...>
wrote:



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

To: amelyachtowners@...

Date: Wednesday, April 27, 2016, 6:22 PM





 



















Alex,

It receives it's power from the 12VDC

Starting circuit.

Bill Rouse



BeBe Amel 53 #387



Sent from my tablet



+1832-380-4970 USA Voice
Mail

On Apr 27, 2016 7:14 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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Alexandre Uster von Baar <uster@...>
 

Thanks very much for your reply Richard,

I am kind of an idiot when it comes to electricity, but wouldn't the fan turn slower?

Sincerely, Alexandre



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

On Thu, 4/28/16, muynckrich@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
To: amelyachtowners@...
Date: Thursday, April 28, 2016, 8:12 AM


 









Once I ordered a new fan for the engine room on my
SM 206. To my surprise, I found that it had to be a 24 V
motor while I had measured 12 V on the circuit. I phoned SAV
AMEL and a technician explained me that the 24 V motor was
less vulnerable for
overload.GreetingsRichard; SM 206
"Silence3









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amelforme
 

Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.

 

Joel

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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Alexandre Uster von Baar <uster@...>
 

Thank you so much Joel,

Please, no need to go out of your way, I was just curious…

I just turn the key (before cranking/ignition), the intake fan is working (I am assuming the out take would be as well - did not measure the current).

I just look at the wiring (Circuit Electric) looks like the 2 fans are connected to the 12 Volt alternator - just surprised there is current without the alternator running.
Also interesting “intake” fan is on a 10 amp fuse and the “extractor” is on a 16 amp fuse… while they are the same fans.
http://nikimat.com/engine_room_fans/engine_room_fan_16.jpg

Again, I solved the cause of my main question which was the engine room temperature.
I am confident than once I replace the extraction fan, it will remain below 47 or 48*C.

Tanks again for all your precious help.

Sincerely, Alexandre




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

On Thu, 4/28/16, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: RE: [Amel Yacht Owners] Engine room temperature and cooling
To: amelyachtowners@...
Date: Thursday, April 28, 2016, 8:35 AM


 









Thanks for this information
Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53
demonstrator that I could have sworn today that the blower
ran off the 24 volt alternator. I am far from salt water
today but when I get back to Fort Lauderdale next week I
will check out an early/pre Millennium boat as well as a
2003 boat and see what is what. Anyone with a pre 1999 Super
Maramu reading this, does your fan come on when you energize
the start circuit or only after the engine starts and the
alternator is turning? Perhaps this evolved over the years
like many other things.  Joel  From: amelyachtowners@...
[mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07
AM
To:
amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine
room temperature and cooling    Good morning Joel,

Thanks for your reply,
actually this is from the 12 Volt alternateur it runs off.


My question is why the 24
volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work
intentionally on 12 V deliver by the main engine
alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan
being defective, I started the Volvo and measured 13 volt
(on the wires going to the fan).
Later I
also connected directly on 24 volt and it did not work. Will
get replacement once I am in Puerto Rico in 2 or 3 weeks.


Removing it, yesterday I
was the manufacturer date (1999) so quite impressed it last
16 years…
I remember changing the intake
one 3 years ago

Thanks
again!
Sincerely, Alexandre

--------------------------------------------
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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Stephen Davis
 

My 1992 SM has 24v fans which run off the 12v circuit. I thought it odd when I first figured this out, but have been told this is how Amel designed the system. 

Steve
Aloha SM72
Martinique

On Apr 28, 2016, at 09:35, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.

 

Joel

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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Germain Jean-Pierre <jgermain@...>
 

Hi Joël,

The fans on Eleuthera (SM 007) are activated by the engine start battery.

They are 24 V fans supplied with 12 V power.  At 27 yo, she still has her original fans… without the dust deposits which were removed.

:-)

Cheers,


Jean-Pierre Germain,
SY Eleuthera, Amel Super Maramu 007



On 28 Apr 2016, at 15:35, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.
 
Joel
 
From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
 
 
Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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amelforme
 

Hi Steve. Do the fans run when the starting system is enabled but not actually cranking or does the diesel need to be running for the fans to power up?

 

Joel

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 10:38 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

My 1992 SM has 24v fans which run off the 12v circuit. I thought it odd when I first figured this out, but have been told this is how Amel designed the system. 

 

Steve

Aloha SM72

Martinique


On Apr 28, 2016, at 09:35, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.

 

Joel

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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#yiv8235072492

Stephen Davis
 

Hey Joel. The fans come on as soon as the key is turned on, and prior to the engine actually starting. 

Steve

On Apr 28, 2016, at 18:01, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Hi Steve. Do the fans run when the starting system is enabled but not actually cranking or does the diesel need to be running for the fans to power up?

 

Joel

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 10:38 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

My 1992 SM has 24v fans which run off the 12v circuit. I thought it odd when I first figured this out, but have been told this is how Amel designed the system. 

 

Steve

Aloha SM72

Martinique


On Apr 28, 2016, at 09:35, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.

 

Joel

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling

 

 

Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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#yiv8235072492

Olivier Beaute
 

Good morning,

since 1989, the engine room fans (on SMs and 54s) are 24V ones, running with 12V. This was designed on purpose, in order to make their life longer. In fact, if you install 12V fans, they will constantly run with 14V+ (because of the engine alternator) and will quickly quit (after 200 hours).
The fans run as soon as you power the engine with the key. This means you can run the fans without running the engine...but bear in mind that you will drain the starter battery after a few hours...
Of course the amount of air circulated is less than if the fans were powered with 24V, but it is still far enough (as you can feel when you put your hand on the air deck output.

The 230V fan that is located above the generator runs only once the generator is started.

Have a good day.


On Friday, April 29, 2016 4:31 AM, "Stephen Davis flyboyscd@... [amelyachtowners]" wrote:


 
Hey Joel. The fans come on as soon as the key is turned on, and prior to the engine actually starting. 

Steve

On Apr 28, 2016, at 18:01, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:

 
Hi Steve. Do the fans run when the starting system is enabled but not actually cranking or does the diesel need to be running for the fans to power up?
 
Joel
From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 10:38 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
 
 
My 1992 SM has 24v fans which run off the 12v circuit. I thought it odd when I first figured this out, but have been told this is how Amel designed the system. 
 
Steve
Aloha SM72
Martinique

On Apr 28, 2016, at 09:35, 'Joel Potter' jfpottercys@... [amelyachtowners] <amelyachtowners@...> wrote:
 
Thanks for this information Alexandre. Hmmmmm. Back in the mid 1990’s, I had a SM 53 demonstrator that I could have sworn today that the blower ran off the 24 volt alternator. I am far from salt water today but when I get back to Fort Lauderdale next week I will check out an early/pre Millennium boat as well as a 2003 boat and see what is what. Anyone with a pre 1999 Super Maramu reading this, does your fan come on when you energize the start circuit or only after the engine starts and the alternator is turning? Perhaps this evolved over the years like many other things.
 
Joel
 
From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 28, 2016 8:07 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Engine room temperature and cooling
 
 
Good morning Joel,

Thanks for your reply, actually this is from the 12 Volt alternateur it runs off.

My question is why the 24 volt Fans are connected to a 12 Volt circuit?
The manual says “both 24 V devices work intentionally on 12 V deliver by the main engine alternator” but does not explain why.
http://nikimat.com/engine_room_fans/engine_room_fan_15.jpg

To make sure it was the fan being defective, I started the Volvo and measured 13 volt (on the wires going to the fan).
Later I also connected directly on 24 volt and it did not work. Will get replacement once I am in Puerto Rico in 2 or 3 weeks.

Removing it, yesterday I was the manufacturer date (1999) so quite impressed it last 16 years…
I remember changing the intake one 3 years ago

Thanks again!
Sincerely, Alexandre

--------------------------------------------
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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danielmfrey63@...
 

Good afternoon
 
Based on this thread I checked my Santorins engine room and I found two 12V blowers- one for in take, one for out take - from Plastimo - both not working any more... The test with the engine key showed me, that they would work when the engine is running, but not before that. It was easy to dismount the blowers and even after more than 20 years Plastimo is still selling their "classic electric blower" (part no. 16274), so I can easily replace them. Lucky me... Of course I don't buy them in Switzerland, where the price is twice as high as in Germany.

Best - Daniel

HEUREKA, SN 64
Kuşadası, Turkey 

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