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Installment of heating system in 385

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Lieutenant Commander
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Post Options Post Options   Thanks (1) Thanks(1)   Quote spam Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 04:13
Has anyone looked into the option of doing a hydronic heating system?  For example something like the Eberspaecher Hydronic M10?   My understanding is that the advantage is:

1) No ducts required, instead uses small warm water hose that goes to radiator
2) warm water for the shower, etc without need to run the engine/generator

I am in particular attracted to the idea of always having warm water

S/V Ventus
Hanse 415, #314
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Carlosailfan Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:13
As an owner of a 385 with the original Eberspacher D4 installed i can tel you that the heating capa is limit for me.
Putting the device on full power when you arrive for the weekend with an outside temp of approx 3 °C it takes hours and hours before there is some comfortable heat inside.
This is my personal experience and for me more heating capacity would be welcome. In summer time with colder days where you need some heat to " warm it up " it is largely sufficient.

Best regards
/C
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KNick Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:17
Sorry to hear that you are not satisfied at all.
To be honest is a great surprise to me to hear that.
I am thinking of mounting a heating system to mine as it is the only extra I have not mounted when I ordered my 385 and found out that it would be useful
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KNick Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:18
Thank you very much for your reply.
As I can understand you are talking about a whole new system which works completely different.
I will take a look at it.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote KNick Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:22
Thank you so much for your reply.
Photos will be such a great help for me.
Just sent you an email from my personal email account.
Looking really forward to your reply.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KNick Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:23
Thank you very much for your reply.
I will take a look in this option as well.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KNick Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 06:25
Originally posted by MAGNUM 1 MAGNUM 1 wrote:

Hi Knick,

in end of 2015 if have had the opportunity to visit the shipyard of Hanse . Because I am an owner of H385  #407   I took some photo shots of a 385-type under construction. In some shots you can see how  the hoses for the heated air are placed and located. Especially you can see the openings where the hoses are put through.

If you like you can send me your email address to: edelphant@gmx.de and I will send you a link for download the shots.

yours, MAGNUM

Thank you very much for your reply.
Photos will be a great help.
Just sent you an email from my personal email account.
Looking really forward to hearing back from you.





   
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MAGNUM 1 Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 11:16
Hi All,
The heater in my H385 #407 ist made by Eberspächer and I am really satisfied concerning the efficiency. Not only during the summer :-) but in  march/april the temperatures increase sometimes only to 3-5 degree with a strong wind.

When the ship was new I wondered about little bad heating in the salon. I found that a hose was not mounted properly. 5 Minutes later:  Smile

By the way: no one should wonder when the heater is not running.  If the level of Diesel is around or lower than 50% the Heater is shot down because it don't get Diesel . The pipe down the tank serving the pump is rather short.  One don't believe but this issue is not known to the technical service of Hanse and so I claimed this issue over 2 years until an external stuff informed me about the short pipe.

A real nuisance is that the self priming pump for diesel to heater is ticking very loud. Last year I have heard that Eberspächer has developed a silence version. On the next boat show in Düsseldorf I will ask them for that issue. 

An owner of a H415 told me that he has isolated the hoses with standard insulant from DIY. Hereby the efficiency had been increased very well. But up today I have avoided to perform this task.

yours, Magnum

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2020 at 16:46
Magnum is right, especially the main duct under the port cabin and in the engine room should be insulated. You will have more difficulties to access the duct through the head and to the fore cabin for insulation. I will fit an additional computer fan to the vent in the forecabin this spring. The advantage of the forced air heating is that you a) heat up the boat quikcly and b) dry the air inside.
The hydronic systems is often used on motor boats. It takes definitely a longer time to heat the boat, but is easier to install ( two pipes and a 12 V supply to each heater), less noisy. My friends in the Marina, who have such a system on their boat, have fitted a GSM module. They switch the heater on and preselect the temperature from home about 3 hours before they come on board for the weekend.


BR

Edited by Fendant - 08 January 2020 at 16:48
Frank
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Post Options Post Options   Thanks (0) Thanks(0)   Quote High Time Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2020 at 18:32
Originally posted by spam spam wrote:

Has anyone looked into the option of doing a hydronic heating system?  For example something like the Eberspaecher Hydronic M10?   My understanding is that the advantage is:

1) No ducts required, instead uses small warm water hose that goes to radiator
2) warm water for the shower, etc without need to run the engine/generator

I am in particular attracted to the idea of always having warm water

S/V Ventus
Hanse 415, #314

I fitted an Eberspacher Hydronic D5 on High Time before winter 2012 and have been very satisfied with the result.

Installation was straightforward but quite time consuming. Running the 22mm and 15mm push fit plumbing around the boat was easy and fitting the 'boiler', fuel feed and exhaust is very similar to the equivalent forced air installation. However, installing the 4 matrix fan outlets (1 each in the rear cabin and forepeak and 2 in the saloon), plus the associated high/low/off switches and associated wiring does take some time.

You are correct that you can also heat the domestic hot water from the hydronic boiler - however, it does require replacement of the standard single coil calorifier with a dual coil (assuming you also want to retain engine heating). I have not done this (but it would be a good time to install a larger capacity calorifier).

Overall, the system is a good solution for a larger sailing boat. It heats up quickly and the matrix fans do not turn on until the water is warm. There is plenty of heat for the forepeak, often a problem with a forced air system and the system is also flexible with 4 separately controlled outlets.

My one minor disappointment is the noise from the matrix fans on high power. However, you quickly get used to it and they can be turned to low power once the boat is warm.


Edited by High Time - 12 January 2020 at 19:25
Roger

High Time (415 #038)
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