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Engine room blower electrical connection
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Topic: Engine room blower electrical connection (Read 2545 times)
elias
Old Salt
Posts: 334
Karma: +2/-0
Boat Model: Bavaria 44
Boat Year: 2003
Engine room blower electrical connection
«
on:
September 28 2022, 15:36 »
Before I make a try that I might regret …
I want the ventilation to start when I push the on button on the motor control panel , anyone had tried that before ?
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Yngmar
Administrator
Posts: 1589
Karma: +22/-2
Boat Model: 40 Ocean
Boat Year: 2001
Re: Engine room blower electrical connection
«
Reply #1 on:
September 28 2022, 16:33 »
No, but shouldn't be difficult. As those fans can draw a few amps, I'd advise using a relay, then you won't have issues with drawing that power over potentially undersized cables from the engine loom.
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(formerly)
Sailing Songbird
⛵️ Bavaria 40 Ocean (2001)
elias
Old Salt
Posts: 334
Karma: +2/-0
Boat Model: Bavaria 44
Boat Year: 2003
Re: Engine room blower electrical connection
«
Reply #2 on:
September 28 2022, 17:18 »
True , the one I have in mind is around 4.5amps , and my cables will be almost undersized for that length … anyway I was thinking to draw from the alternator cable on the battery splitter victron
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kavok
Able Seaman
Posts: 189
Karma: +0/-8
Boat Model: 40 Cruiser
Boat Year: 2008
Re: Engine room blower electrical connection
«
Reply #3 on:
September 28 2022, 18:13 »
I describe mine installation:
take power from an f free button and go to the fan through a thermostat I set to start at 50 Celsius degrees and stop at 47.
When I go on the boat, I push the f button and fan start and stop when is really necessary in automatic mode.
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elias
Old Salt
Posts: 334
Karma: +2/-0
Boat Model: Bavaria 44
Boat Year: 2003
Re: Engine room blower electrical connection
«
Reply #4 on:
September 28 2022, 19:59 »
Hmm… Very good idea , the 51 threshold s by guessing or is the proper ambient temp for an engine room?
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kavok
Able Seaman
Posts: 189
Karma: +0/-8
Boat Model: 40 Cruiser
Boat Year: 2008
Re: Engine room blower electrical connection
«
Reply #5 on:
September 28 2022, 22:40 »
About 50 degrees is good temperature at the hight of water filter. But you can set thermostat start and stop as you want. Note the temp sensor at the left of water filter. You find the thermostat cheap on Amazon. Take note that the engine became warmer when you stop it for the latent heat effect, because sea water do not circulate. It is better have a lower piping for fresh air intake and an hight piping to collect hot air.
In the engine room the temperature change a lot from bottom to top.
Be sure to isolate engine room ceiling to avoid hot air go in the deck counter mould.
Ask me if you need.
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SYJetzt
Old Salt
Posts: 320
Karma: +11/-0
Boat Model: Cruiser 46
Boat Year: 2005
Re: Engine room blower electrical connection
«
Reply #6 on:
September 29 2022, 15:58 »
At which position is the warm air blown out? Did you cut any new holes?
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kavok
Able Seaman
Posts: 189
Karma: +0/-8
Boat Model: 40 Cruiser
Boat Year: 2008
Re: Engine room blower electrical connection
«
Reply #7 on:
September 29 2022, 16:17 »
Two new holes on the stern, one for fresh air, one for hot air. Protected by Vetus SCIROCCO Cam Shell Vent
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tiger79
Old Salt
Posts: 943
Karma: +10/-4
2014 Cruiser 37
Boat Model: Cruiser 37
Boat Year: 2014
Re: Engine room blower electrical connection
«
Reply #8 on:
September 29 2022, 16:44 »
My Cruiser 37 has the engine blower outlet on the port side of the drop-down transom opening. If motoring in cold weather, sitting at the port wheel is preferred, as there's a stream of warm air coming out!
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elias
Old Salt
Posts: 334
Karma: +2/-0
Boat Model: Bavaria 44
Boat Year: 2003
Re: Engine room blower electrical connection
«
Reply #9 on:
September 29 2022, 19:41 »
Nice , mine has already 4 vent holes with grilles and adaptor for I think 70-75mm tube if I am correct , one is taken from the diesel heater as fresh cold air inlet , so I ll use a small inline blower to direct the heat out and leave the fresh coming in from the negative pressure of the other 2 vents , …I believe there are more small vents around and beneath the deck and railing but it doesn’t rain often here so I can’t find them
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Engine room blower electrical connection