How to hook up a BM50 to US 220V?

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How to hook up a BM50 to US 220V?

Unread postby PedroHunnicutt » Thu May 24, 2018 7:36 pm

I just took delivery of a BM50. I’m trying to figure out how to hook up the electricity. It goes without saying that the gadget has one of those EU 230V plugs with the two cylindrical prongs. I ordered an adapter from Amazon that SAID it was EU-to-US 220V and didn’t convert the voltage, but the thing has a male end on the US side that is clearly marked “120V”. I have a good electrician to call on, but hesitate to change the plug to a US 220V 3-prong plug because I worry about voiding the warranty and I just hate to butcher a brand-new nearly $4,000 brewing system. Some people say I should change the plug, some say I should use the adapter with the US 120V plug, and others advise that I should buy a 10,000 Watt Voltage Transformer with Regulator that costs $500, must be hard-wired into the electric panel, and draws 45 amps (is it even possible/legal to pull 45 amps on a 110V circuit?) THAT, naturally, is the guy who’s selling them – he’s saying I need a 3x safety factor on the 3,680 watts it will draw at 230V times 16 amps) Even at a safety factor of 1.5, it would still require a 5,500 watt converter at $275, plug in instead of being hard-wired, and draw 25 amps; but the transformer manufacturers are adamant that a 1.5x factor is not enough. Since these units are apparently being sold all over the USA, I would expect that there would be a ready (and unambiguous) answer to this question; but I have not found one yet. So, should I just bite the bullet, cut the plug off the thing and put a twist-lock 220 plug on it so I can use the same plugin as my current electric 3-vessel RIMS brewing system?
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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:24 am

PedroHunnicutt:
I have intended to post this for years. Standard disclaimer - I am not a licensed electrician, follow local codes, be safe, call a pro when you need to...

I have been brewing on my 50L for years - the conversion is a snap provided you have access to the electrical panel and can add a dedicated breaker, wall plug and then just modify your new cable. I find that a 30A breaker works all day long - no issues. I bought the male plug, female plug, box, romex, and cover plate at a big box store. Easy peasy. Here are some pics:Image


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:24 am

Image


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:25 am

Image


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:25 am

Image


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:27 am

Note:

Green wire goes to the ground leg - the round one at the top. The other two? Either side you can’t go wrong. Just make sure the green goes to the ground.


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:27 am

Image


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:33 am

Image

This wall socket is rated for 30A (so is the plug).

Advanced tip - buy a length of “SO” cord - and wire up an extension cord - to provide you some more space between the BM and the wall - as needed. I made up a cord that is 12’ long - which allows me to brew in the middle of the room. I used some 12 AWG because I had it in the garage from another project. So you need a bit of SO cord, and another male and a female plug. All available from a hardware store or big box store.


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Re: How to hook up a BM50 to US 220V?

Unread postby DWB » Fri May 25, 2018 4:36 am

Image

Someone out there is probably going to scold me for not using a GFI breaker.

Make sure you have a competent electrician install all these parts - especially if you are opening a breaker panel “for the first time”.

Seriously - this is a hobby - don’t get hurt.

I hope this reply helps you! DWB


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