Re: [Amel Yacht Owners] Re: Prop Shaft Electrolysis

Kent Robertson

I just checked again Bill.  There is 124 VAC between either blue or brown at the pump and either the AC ground or the bonding system.  There is almost NO resistance between the AC ground and the bonding system.

There is at least a solid connection from AC ground to the bonding system.  Any idea how to figure out where that might be?

Do you know where the relay box is that powers the AC pump when the units are turned on?  That's where I think at least part of the problem lies.

Thanks again
SM 243

On Dec 1, 2015, at 8:23 AM, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:



I think that you just said that there is no voltage between brow and earth with the breakers off

And that there is voltage between the brown and the bonding system green/yellow under the exact same circumstances.

If this is true, I believe that your bonding system is HOT. Check between bonding system and earth (green/yellow from shore)

BeBe 387

On Tue, Dec 1, 2015 at 12:37 PM, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:

I'm in Fernandina Beach, FL, Eric.
There is NO voltage between the brown wire and the green wire in the cable going to the A/C pump with the A/C breakers off.  There IS 124V AC between the brown wire and the bonding system.

I just discovered  that neither the forward A/C nor heater will come on now.  I'm guessing that's where I'll find the problem.  I need to find the 220 AC wiring diagrams for the A/Cs and the boat.
SM 243
Tiger Point Marina
Fernandina Beach FL

On Dec 1, 2015, at 3:21 AM, sailormon kimberlite@... [amelyachtowners] <amelyachtowners@...> wrote:



I meant 110 volts not 10 volts.

Where are you?

Fair Winds


Kimberlite Amel Super Maramu #376



From:< /span> amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Monday, November 30, 2015 8:17 PM
To: amelyachtowners@...
Subject: [Amel Yacht Owners] Re: Prop Shaft Electrolysis



Hi Kent,

If you are plugged into a 50 amp US outlet at the dock i assume you did not hook up the white lug in the plug to anything.


I believe the brown wire should go to the red lug and the blue to the black lug. the yellow green to the green lug.


If I am not mistaken you will still have about 10 volts betwee n the ground and the power lugs in the plug--as the ground and the white neutral are essentially the same.


I think somewhere on your boat there is leakage between the green yellow A/C wire and one of the hot wires.


I am doing this from memory as I am not near the boat.


sm 376 kimberlite.

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