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Thread: Lightning Strike on 2007 Privilege 445

  1. #1

    Default Lightning Strike on 2007 Privilege 445

    We did not have a direct lightning strike but did experience an EMC which burnt out one of our 12v relay circuit breaker panels in the port hull and possibly one row of switches in the integrated nav station panel. We put in temporary fuses and switches to satisfy the insurance company and moved the boat to Thunderbolt Marine for repairs. Problem appears an easy fix until we find out the companies making the integrated panels are no longer in business. We have contacted Privilege for suggestions.

    The only solution to date is to pull out the relay circuit breaker panels (four 12v and one 220v panels in port side, and two 12v and one 220v panels in the starboard hull), the low amperage ribbon wiring, and the integrated nav station panel and start over. Recommendation is to wire everything like most USA boats with service wires going directly to a new nav station panel with circuit breaker switches. This entails a lot of new wiring from the current relay circuit breaker locations to the nav station. Not our preference.

    We are wondering if anyone has dealt with this issue. Suggestions are welcome.

    Please comment pro's and con's.

  2. #2

    Default Re: Lightning Strike on 2007 Privilege 445

    I know someone that had an issue with the relay panel just below the mast on a 495. They tried everything to rebuild it and eventually bit the bullet and replaced it and installed new conventional wiring. They wished had had done this to begin with.

  3. #3
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    Default Re: Lightning Strike on 2007 Privilege 445

    I don't think you'll find replacement boards. I had the same problem a while back and was told the same story about the maker having gone out of business. Local electrician in Sint Maarten just replaced the function with some bits and pieces (I don't understand electrics so can't be more precise!). Fortunately it was only one board behind the control panel at the nav station that went and all the rest worked throughout my 11 years of ownership.

  4. #4
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    Default Re: Lightning Strike on 2007 Privilege 445

    Quote Originally Posted by Jeannius View Post
    I don't think you'll find replacement boards. ......................
    I worried about this a couple of years ago when preparing my boat for long term cruising. I asked about replacement boards, and at the time it seemed to be possible to obtain them - maybe they had some old stock at the time. In the end I did not get any as I reckoned that if anything happened, any local electrician would end up having to do a complete re-wire and conventional panel job anyway.
    I'm sure that use of these cut down on a lot of wiring/weight and made construction easier, but little thought seems to have been given to long term life in a salt water environment.
    Nigel Calder is well known for advocating the use of a more modern variant of the privilege system, but I reckon it will still have all the same problems. Furthermore it significantly complicates the addition of more equipment.
    Insanity is continuing to do the same thing and expecting different results

  5. #5
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    Default Re: Lightning Strike on 2007 Privilege 445

    I have Amiot low voltage relay panels on my 1995 P45. I have been in the process of making a circuit board for replacement panels. My big change is that there are relays that disconnect both the positive and negative lines. This will prevent future ground plane pulses from entering the electronic gear. The design is based on this board which is readily available online for <$15.:

    Can you post a picture of your board so I can see if it is similar to what I have? This may be of use to you.
    Cheers, Dave
    www.sailtortuguita.com
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  6. #6

    Default Re: Lightning Strike on 2007 Privilege 445

    Thank everyone for your comments. We are waiting on the electrical staff to show us their design for the electrical system. We have time to change things.

    djdeakyne,

    Thank you for replying. You have some great pictures on your website.

    My understanding is that you are buying the relays and attaching them to a board. I assume you are using different amp breakers for the circuits as needed.
    Are you going to use ribbon wire to the nav station?
    Do the breakers have resettable fuses inside them?
    Will be able to use the old panel at the nav station?

    Please provide more information on your board and the boards which can be purchased.

  7. #7
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    Apr 2011
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    24

    Default Re: Lightning Strike on 2007 Privilege 445

    Hi, I like the concept of low voltage switching. I have essentially made an interface board between the ribbon cable from the nav station and the $15 relay board in the other post. I have had trouble with the Amiot resettable breakers like overheating and smoking and prefer one shot blade type auto breakers so for circuit protection. So in order not to reinvent the wheel, I use a Blue Sea Fuse Block. that provides power to the loads after they exit the relay board. The idea is to prevent cooking the relay in addition to the wiring just like the original Amiot design does. I also have added a connector so loads can be switched from an external circuit like burglar alarm, daylight sensor, or home control system.

    The relay board is available from many places on ebay. http://www.ebay.com/itm/16-CHANNEL-1...-/262567013745

    The idea was to make a drop in replacement for the discontinued Amiot relay board and not have to do any rewiring of the electrical system.

    Cheers, Dave
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  8. #8
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    Default Re: Lightning Strike on 2007 Privilege 445

    After looking at the circuit breaker block a little closer, this block looks to be a better way to go. It uses the Blue Sea resettable breakers which are so much better than the blade style that Amiot uses, and has independent circuits so no modification of the block is necessary. Blue Sea part number 5051.
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  9. #9
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    Default Re: Lightning Strike on 2007 Privilege 445

    Here's the interface board that I built to replace the Privilege Amiot board. The ribbon cable from the nav station panel plugs in to the large 40pin plug. The relay board plugs in to the smaller 20 pin plug. The board also sends all the signals back to the nav station panel to light the red and green LED's. The DIP switches provide a means to manually activate a load just like the original Privilege board has on it.

    Cheers
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    Last edited by djdeakyne; 17th August 2016 at 01:49 AM.

  10. #10

    Default Re: Lightning Strike on 2007 Privilege 445

    djdeakyne,

    Like what you have done but I have a feeling our electrical staff is coming up with something quite different???? Hope to see some estimates for the repairs tomorrow.


    ~
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  11. #11

    Default Re: Lightning Strike on 2007 Privilege 445

    Quote Originally Posted by J&T View Post
    djdeakyne,

    Like what you have done but I have a feeling our electrical staff is coming up with something quite different???? Hope to see some estimates for the repairs tomorrow.
    Actually, I think he had exactly what you (and I) have - but has changed that to use the relay boards show in post 5. To interface the Privilege switch board to the new relay board - he's made the boards show in post 9.

    I'd love to see a circuit diagram as I can't quite read the IC. I'm assuming that interface board he's done doesn't feed back the trip state? Still a great hack - and a very useful thing to have for just such a problem as a lightening strike!

  12. #12
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    Default Re: Lightning Strike on 2007 Privilege 445

    I don't have a real schematic since I designed it on a circuit board designer but here's the layout schematic. I could draw up something if you want. The driver IC is a ULN2804A which is the same chip that the Privilege board uses. The parts count is minimal. It is mostly wire interconnects.

    Yes, the relay states are sent back to the nav station to light the LED's. Those voltages are, however, pulled off the breaker outputs with a small wire and fed to the little screw terminals. That is the only way to actually know the true state of the relay and not just the commanded state. In other words, if the breaker pops, the nav station light needs to go from GREEN to RED. This wouldn't happen if the relay output was used.

    I have only made the one prototype board and it worked fine except for some physical dimensional issues. The prototype then went dormant because I went cruising (bad habit) and I had proved to myself that in case I had ANOTHER lightning strike, I had a viable option to get up and running. We're taking the summer off and the boat is in Malaysia so I could resurrect this if needed.




    Cheers, Dave
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    Last edited by djdeakyne; 17th August 2016 at 08:09 PM.

  13. #13

    Default Re: Lightning Strike on 2007 Privilege 445

    Very useful thanks, definitely something to keep handy. From your description I guess the bilge pump lights are triggered when the pump runs (as well as when switched on by the panel)?

    If you're considering getting some made - let me know, I'd be interested in some for spares...

    Cheers,
    Rick

  14. #14
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    Default Re: Lightning Strike on 2007 Privilege 445

    HI Rick,
    Thanks for the kudos. You are correct, just like the Privilege boards, any time power comes on, whether it be from the relay, back fed from a switch like the bilge, or the aux input connector that I put on the board, the nav station GREEN light will come on.

    I'll look in to firming up the prototype for a small run. Single side boards don't cost that much.
    Cheers, Dave
    Last edited by djdeakyne; 17th August 2016 at 08:34 PM.

  15. #15

    Default Re: Lightning Strike on 2007 Privilege 445

    Cool, thanks.

    I'm off to read your blog as we're thinking we may head to Malaysia after NZ/Auz (so a few years away yet).

  16. #16

    Default Re: Lightning Strike on 2007 Privilege 445

    Up date on lightning strike work.

    We have been in a boat yard over a year trying to get the wiring right. All of the Privilege wiring was removed from the circuit/relay panels in both hulls up to the navigation switch panel. The panels were also removed and new 12v and 220v wires were ran to the new BlueSea navigation switch panel. In addition the circuit breakers and relays in the lazaret were also reworked routing 220v wiring to the new BlueSea switch panel. All of this new heavier wiring has added some weight to the boat. After several set backs and the lack of a good design work it looks like the job is about completed. Lessons learned, don't let anyone undertake this type of project without developing a comprehensive plan which has been reviewed and approved by a second party and understood by the boat owner. If you would like more information let me know. What I can say is thank you Pantaenius Insurance.

    As a result of this work we have all of the circuit panels, ribbon wiring, and the switch panel to get rid of. If interested, make an offer.

  17. #17
    Join Date
    May 2012
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    Oslo area
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    Default Re: Lightning Strike on 2007 Privilege 445

    Lifting this thread because this time it was our turn. The lightning took out one of our circuit boards. So if anyone has a spare to sell, might know of one or have successfully restored the

    function of the original system with another board, that would be of great interest. The panel is from a P37 year 2000.


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    Last edited by Lucky Strike; 28th July 2019 at 09:34 PM.

  18. #18

    Default Re: Lightning Strike on 2007 Privilege 445

    You might try contacting ben stahnke <benstahnke3@gmail.com>. I sent him everything we took out when we converted to US wiring. I believe he was in Coratia?

  19. #19
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    Default Re: Lightning Strike on 2007 Privilege 445

    Thanks a lot, I will mail him.

  20. #20
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    Default Re: Lightning Strike on 2007 Privilege 445

    A really good drop-in replacement for our Amiot relay boards is C-Zone.
    http://www.czone.net/en/products
    The distributed wiring system is very similar to the Privilege design but uses CANBus instead of ribbon cables.

    Ideally it is best to replace the entire system which is fairly pricey but seeing as there is no other commercially available replacement and if insurance is going to be paying some of the tab, it is the route that I would take.

    In the end, an entire system it is probably cheaper than pulling all new Ancor marine grade wire throughout the whole boat and replacing the switch panels.

    Plus, everything is controlled from a fully customizable touch screen:

    Just my 2 cents on an alternative.
    Cheers, Dave

    p.s. I have no personal financial incentive to promote this product.

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