Shorepower indicator lights - Int'l

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BobCT
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Shorepower indicator lights - Int'l

Post by BobCT » Sat Jan 25, 2014 2:46 pm

I'm installing a selector switch so i connect my Microwave to either the inverter or normal AC. I removed the center electrical panel and brought it home. I'd like to finally get the indicator lights working while I have it apart.

I seem to recall someone posting that these were neon bulbs. Has anyone found any LED bulbs that work?

BTW, if you've never had your AC and/or DC panels removed I would recommend it. I found a couple of crappy connections and one of the primary AC feed wires is loose enough I could probably just pull it out.

Bob
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Re: Shorepower indicator lights - Int'l

Post by yorklyn » Sat Jan 25, 2014 10:44 pm

I think their the same type of incadecent bulbs as are in the helm panel (indicator lights, bilge pump lights) but I'm not sure. I purchased some led lights from blue seas and was going to try to switch mine out at some point. How hard was it to remove the panel ? Sure must be a lot easier to work on with it removed. Let us know how you make out.
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Re: Shorepower indicator lights - Int'l

Post by RWS » Sun Jan 26, 2014 7:15 am

My understanding is they are actually diodes, or there is a diode built into the polarity indicator.

I believe this is what you are looking for?

http://www.cmsquick.com/prod_11_LED_RET.html

as I recall, they are about $20 each plus $15 for shipping.

For me, for now, I simply have a three way plug indicator in the galley outlet 24/7.

http://www.idealindustries.com/products ... _check.jsp

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Re: Shorepower indicator lights - Int'l

Post by kevinz » Sun Jan 26, 2014 9:13 am

to get the original neon ones go to Newark.com. It is a Arcolectric # H8630FBNAE neon indicator , green. It will say 250 volts, but works fine with 110 volts. While I was looking for the original neon ones, I went to West Marine and got two green LED indicator lites. I drilled a small hole in the back of the old neon ones and glued the LEDs in the housing. The LEDs are not as bright as the neon ones.
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Re: Shorepower indicator lights - Int'l

Post by Big D » Sun Jan 26, 2014 10:14 am

Personally I would switch to LEDs. LEDs vary in intensity so you should be able to find one that is comparable to the neon lamp you have now. I don't think your setup has a diode though there are some later applications utilizing LEDs that do. Not all LED applications require diodes though. Neons were great in their day but over time they dim and have a tendency to flicker with ever increasing lapses of actually being lit. An LED either works or it doesn't.

The following is the simplest diagram I could find that indicates how the circuit is wired. This particular version only has one lamp to indicate reverse polarity. A lamp to indicate normal conditions would be placed between the hot and neutral sources. I do not like single lamp types since the only lamp that is incorporated is the one to show a reverse polarity condition, otherwise no lamp is lit. If the lamp were burnt out and there was a problem, you wouldn't know it. With a two lamp system, you can through deductive reasoning draw some conclusions or at least be alerted to a lamp failure or the possibility of a reverse polarity condition even with no lit indicator which would normally mean no power. If that's the case and you are able to operate a device on board, you know you have power and a problem with at least one of the indicator lights. http://www.bluesea.com/support/technica ... Indicators

Note the paragraph about the resistor. This is very important and perhaps worth investigating your current circuitry to see if a resistor is incorporated in hopes of minimizing stay current issues.
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Re: Shorepower indicator lights - Int'l

Post by BobCT » Sun Jan 26, 2014 11:15 am

Todd,

The panel was easy enough, just 6 screws and then you need to disconnect some wires if you want to completely remove it. I wanted to bring it home but you wouldn't have to if you just wanted to work on the lights.

The original is a an "Alco GT 33" which is referenced in the link that Harris posted. I'll call that company because the pic they have only shows two lights but the originals are three.

I'll look into some LED options as we'll. I'm not reinstalling it w/o coming up with something so I'll let you know. Thanks for the other replies....

Bob
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Re: Shorepower indicator lights - Int'l

Post by yorklyn » Sun Jan 26, 2014 11:54 am

This is why I love this site! Everyone here is so helpful!
Bob if you can find a original replacement please let me know. Although the idea of switching to led because of bulb life is appealing, not "re inventing the wheel" at this particular point in my renovation sounds even better! !
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Re: Shorepower indicator lights - Int'l

Post by BobCT » Sun Jan 26, 2014 8:15 pm

Ok, let's see how helpful it is :)

I found some 120v LED's at radio shack today and tested them out. I pried the back of the old indicator and removed the neon bulbs. The LED's fit and would just need a dab of silicone to be permanent. I did and I think they'll be bright enough especially where the panel is located In the mid cabin.

I'm not quite sure how to wire them up permanently though. The old neon bulbs just have a single wire coming out of each bulb. The inside has a little circuit board and some resistors which appear to tie the three together. The three new LED's each have two wires.

I think I have the load/neutral wires figured out. I connected one wire from each LED to the white and black wires. I connected 120v and each one lit up. I'm not sure how to connect the 3rd LED though which is the green/ground wire...

Do I just tie both wires to the green? I actually tried that but of course it didn't light up but I don't think I had a fault condition. If that's correct, how would it get power if there was a fault and is there a way to test that? I'd like to test all possible faults on the bench and then I can post here.
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Re: Shorepower indicator lights - Int'l

Post by Big D » Sun Jan 26, 2014 9:51 pm

Look at my link above. it shows how to hook up the fault LED. Why 3 lights? What does the third indicate? #1 = power, #2 = fault, #3 = ?
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Re: Shorepower indicator lights - Int'l

Post by BobCT » Mon Jan 27, 2014 9:41 am

I saw that but it looks like a single LED does everything. In the factory setup there's one light for HOT, one for NEUTRAL and one for GROUND. This is for each shorepower leg (#1 and #2) so a total of 6 bulbs.

On the panel, there's a legend which shows all the possible combinations of the 3 lights and the corresponding fault code.
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Re: Shorepower indicator lights - Int'l

Post by jhalb » Tue Jan 28, 2014 6:49 pm

This is the AC schematic for my 10 meter. It shows the shore power monitor diagnostic code.
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Re: Shorepower indicator lights - Int'l

Post by BobCT » Fri Jan 31, 2014 6:15 pm

John,

Thanks, that's also imprinted on the panel itself. So after screwing around with the LED's, I ordered the ones that Harris posted. They're only two bulb displays though so the legend on the panel becomes useless.

Now I'm thinking of just remaking the whole panel so the indicator lights will have the right size hole and it'll look brand new. Mine's not in great shape anyway.

I'll let you guys know what I do.

Bob
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Re: Shorepower indicator lights - Int'l

Post by P-Dogg » Mon Feb 03, 2014 11:10 pm

I'm thinking of just remaking the whole panel
Then you might try these folks. Downright reasonable in price, and the quality is great. Add any custom engraving that you want, with any hole dimension or shape. I use them for work all of the time.

http://www.frontpanelexpress.com/
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Re: Shorepower indicator lights - Int'l

Post by BobCT » Wed Feb 05, 2014 5:15 pm

That looks like a really good option. I'm going to download the software and price it out. Stand by, maybe I'll have some panels you guys can buy w/o any design (or not much).

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Re: Shorepower indicator lights - Int'l

Post by swampman » Tue Aug 13, 2019 2:17 pm

I found a relatively simple fix for the obsolete polarity indicators. I purchased the sperry brand outlet checkers at my local menards , broke them apart and took out the bulbs and resistors and potted them into the old indicator housings with hot glue . Installed insulated spade connectors in the wires hanging out the back and on fuse panel wiring . Working great so far.

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