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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems > Help upgrading A/C needed
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Thread: Help upgrading A/C needed Reply to Thread
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Topic Review (Newest First)
10-25-2011 08:22 AM
Minnewaska Let's get something straight.....

AC is alternating current, A/C is airconditioning.
10-25-2011 01:37 AM
hellosailor Check your equipment carefully.

"My battery charger won't work." OK, you've confirmed that it will not operate at 220v/50cy, for sure. If this is not an expensive battery charger, the cheapest solution may be to buy a 220/50 charger, and when you get over there, swap it in. If this is a one-shot trip, maybe wait till you get there, buy used and sell it again before leaving.

A more elegant solution is to considered installing a new charger which accepts 110/220 and 50/60cy without any fuss. Run some numbers, it may be an elegant solution, depending on how much power you need to pull.

"I've been told I need a new Shore Power adapter, etc. " Yes, a new adapter probably will be needed. Not a najor expense, check here and there to see if perhaps a loaner is available there, or if not, which side sells them for less.

"All I use A/C for is to run the battery Charger and plug in a laptop or lamp."
The battery charger, as above, has few choices. It is POSSIBLE to get an inexpensive 110/220 voltage transformer, connect that between the 220 dock and your 110 charger, and it will work--if the charger doesn't overheat when it runs on 50cy. Plain tungsten light bulbs designed to run 110/60cy may look a little dimmer on "220 converted to 100 but only 50cy" but they WILL WORK.

And the best and simplest solution if for your laptop: Buy a dc-to-dc power adapter for it, sometimes called an "Airport" because they are designed to plug into car and boat and train lighter sockets. This way your laptop is always running on the nominal "12" volts from your batteries, and it is isolated from whatever AC you are running in the boat. Often uses less power that way as well. Companies like Targus, Kensington,I-Go, and your laptop maker all supply them with different options and tips and prices.

If your needs are simple--the solutions can be equally simple.

Toss in a hairdryer and a marguerita machine, and all bets may be off. (G)

Is there an inexpensive and simple way to convert my boat to use both North American and European A/C?
'
10-24-2011 09:13 AM
Columbia9_6 Okay, I am thinking I would run A/C on the boat for North America, which would originate from an inverter and shore power. Then connect EU shorepower to a charger... When in the EU connect to that shorepower unit and keep the batteries charged... This way, I could just wire EU shorepower to an EU charger? ... no transformer required? What do you think? Does that sound reasonable?
10-21-2011 05:12 PM
kd3pc no inexpensive way to easily use both...you will need to wire the boat one way and then adapt the "shore" power to it. That can be as easy as a transformer and some cables, or as difficult as a multi-input system and autotransformers.

The smaller capacity system, the easier (cheaper) it will be to do it. If all you want is a small charger and an outlet, you may be able to get by with a EU cable and transformer...else you would need to rewire or adapt your current shorepower..
10-21-2011 04:52 PM
Columbia9_6
Help upgrading A/C needed

Hey,

My DC house system and starting battery are all good. I've been cruising about 6 years with the system and have no problems with the A/C or DC systems since I last updated.

Now, I want to go to Europe... 220V 50Hz...

My battery charger won't work. I've been told I need a new Shore Power adapter, etc. All I use A/C for is to run the battery Charger and plug in a laptop or lamp. Is there an inexpensive and simple way to convert my boat to use both North American and European A/C?

 
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