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Old 14-07-2008, 16:11   #1
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Marinetics A/C panel info needed

I picked up a Marinetics A/C breaker panel that has main breakers and 5 branch breakers. It seems the company is no longer in business.
The question I have is: The Neutral side of the main breakers goes to a buss bar with 5 terminals for 5 branch circuits.
The Line side of the main breakers goes to a jumper that connects the hot side of 4 out of 5 branch breakers. The one not connected, is labeled "spare" on the front of the panel.

Does anyone know why the spare breaker isn't connected to the Line jumper?

Another question. There is a "on/ok" green pilot light, with a "polarity test" momentary switch below it.

I havent installed the panel yet. Is the "on/ok" light supposed to be on when the main breakers are on? What is supposed to happen if the polarity is reversed? When are you supposed to push the "polarity test" button, and what should happen if all is ok or not ok?

The old a/c system on the boat has an old breaker box and a polarity alarm that goes off if polarity is reversed. Is this panel designed to be used with an alarm?

Sure would be easier if I could call the company.

Thanks for any info.
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Old 16-07-2008, 19:37   #2
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I found the answer on another forum. The on/ok light comes on when you push the polarity test button, if all is ok.
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Old 16-07-2008, 19:58   #3
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AC Panel

Hello
It appears that your first questions answer is you have a spare breaker, it's just not hooked up. The polarity issues appears to be DC related. You wouldn't want to mess up the polarity of the AC / 120V circuit. (Or you'll know it!)
The lights should all light when the button is pushed. (The DC circuits indicator lights)
Hope this helps
JM
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Old 16-07-2008, 20:04   #4
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Electrical

Wow
Just read the above "Wheels" post.
Great information!
JM
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Old 17-07-2008, 00:37   #5
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See also REVERSE POLARITY INDICATORS:
http://www.cruisersforum.com/gallery...=500&userid=79
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Old 20-07-2008, 20:25   #6
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JM,

The polarity test is for a/c shore power. It is to test to make sure the shore power is wired right.
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