getting the BM 50L hooked up.

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getting the BM 50L hooked up.

Unread postby PedroHunnicutt » Fri May 25, 2018 8:47 pm

Many thanks to DWM for the advice on hooking up the BM 50L to US 220. We hooked up a twist-lock because it was compatible with what I already had. meter shows we've got 220 to the BM-end of the power cord.

But when we hook up the juice, the control panel does not energize. Not the first light - not nary 'un. So now what?
PedroHunnicutt
 
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Model: 50 litres

Re: getting the BM 50L hooked up.

Unread postby DWB » Sun May 27, 2018 2:59 pm

PedroHunnicutt,

Completely makes sense you repurposed the twist-lock style you already have in play. So - let’s verify the power to the end of the BM cable once modified and connected to your wall.
(I just did this to verify)
The BM end-plug has two slots side-by-side and one slot alone - sense? The ACV between the side-by-sides should be 240V. The ACV between EACH of those slots and the stand-alone should be 120V. If your results are different - then you need to swap some wires around on your twist-lock plug.

Let me know how your test comes out?

-dwb-


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Model: 50 litres

Re: getting the BM 50L hooked up.

Unread postby PedroHunnicutt » Wed May 30, 2018 6:49 pm

I took pictures of the plug as wired and the meters measuring current to each plug hole. I sent them to Speidel, This is the reply I got back:

"You have the voltage of 220V between the phases.
Not between one phase and the neutral.
So the inside mounted transformer will not work.
That is why the controller is that.

You have to change the power net wiring to 220V between phase and neutral. "

But my electrician says we can't GET 220 between phase and neutral. So how the hell does everybody else in this country get a Braumeister to work?
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Model: 50 litres

Re: getting the BM 50L hooked up.

Unread postby uk_brewer » Thu May 31, 2018 12:19 am

I’ll post something later. I have a BM20 that’s working just fine in the US. I ended up buying a cable thats twist lock to c13 or 19 forget which one it is off the top of my head.
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Re: getting the BM 50L hooked up.

Unread postby uk_brewer » Thu May 31, 2018 2:26 am

18E67462-DAB3-49E1-A5D7-095438F92C80.jpeg


This one shows typical wiring in US. Between either of the hots and neutral gives you a 120v. Two hots and ground gives you the 240v.

FA32C9F6-FFF9-4F05-AA3B-FC68BB823666.jpeg


Twist lock I’m using with my BM20. Currently plug it into my three vessel control panel.

0BC84711-CEC2-4273-978B-3529A2931ABC.jpeg


Power comes into my panel on right side with a 4 wire twist lock. Allows me to run 120 for pumps etc and 240 for my heating elements.

42A25627-05D0-4313-AB59-0DF875A0A359.jpeg


I plug my bm20 in my HLT outlet. That’s a L6-30R twist lock receptacle, note the two hots and ground.

Hope that helps. As always please verify his with your electrician and speidel or more beer if that’s where you bought it.

Hopefully someone can confirm the C19 connection to a bm50. If so, this would probably be the cable for you.
https://www.colorpowercables.com/power- ... gLxcPD_BwE
Last edited by uk_brewer on Thu May 31, 2018 2:54 am, edited 1 time in total.
uk_brewer
 
Posts: 49
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Re: getting the BM 50L hooked up.

Unread postby DWB » Thu May 31, 2018 2:50 am

Image

PedroHunnicutt,
These are my readings (apologies for crude drawing) - they work fine for my BM50L system. Are these your readings?
Not sure how you could get 240V between each leg and neutral - without getting 480V between legs.

Let me know what your readings look like?


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Model: 50 litres

Re: getting the BM 50L hooked up.

Unread postby PedroHunnicutt » Thu May 31, 2018 4:48 pm

These are the pictures I sent to Braumeisters.

But your picture of the guts of your machine look a lot different from mine. See the first picture posted (or the last, depending on how this forum handles attachments)
Attachments
BM guts.jpg
This is a picture of the wiring and components under my BM. Looks like it's all different.
CORDtoBM.jpg
cord to BM
CORDright110.jpg
right leg 110V
CORDleft110.jpg
left leg 110V
CORD220.jpg
220 V
CORD.jpg
cord
PedroHunnicutt
 
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Model: 50 litres

Re: getting the BM 50L hooked up.

Unread postby uk_brewer » Sun Jun 03, 2018 3:02 pm

14634431-6B00-4CEA-ABA5-C044F6968663.jpeg

Reading across my two hot legs.

F7C41B8C-29A7-4B44-9272-E59C24E570E6.jpeg

Reading between one hot leg and ground


28C04C0E-E63F-4B18-A15A-A9432FFF7DD1.jpeg

Reading between the other hot leg and ground.

Getting the 120 from hot to ground makes sense to me as ground and neutral are both bonded at the same location in a US main panel. My BM20 fires up with no issues.

http://www.esgroundingsolutions.com/why ... ain-panel/

Power is a little different in Europe they get 220 down one hot.
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Re: getting the BM 50L hooked up.

Unread postby uk_brewer » Sun Jun 03, 2018 3:15 pm

Looks like your cable is wired correctly, and yes you can’t get 220 on one leg to ground with us residential power. Looks like DWB is wired up the same too. If it’s not working I’d suggest calling where you purchased, maybe you have a bad unit.
uk_brewer
 
Posts: 49
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Location: Dundee, IL
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Re: getting the BM 50L hooked up.

Unread postby DWB » Sun Jun 03, 2018 3:43 pm

I agree - those readings are perfect. I have an older unit that “comes to life” when you plug it in. Does the newer version have a power switch somewhere? Just a thought...
Let us know how you resolve!



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