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Old 03-13-2018, 09:27 AM   #1
3 Rivet Member
 
2017 27' Flying Cloud
London , Ontario
Join Date: Jul 2016
Posts: 227
Victron 712 install in 27' FB

Hi all,

I recently got the Victron BMV-712 battery monitor. I had three questions, in the context of an install in a FC 27' FB (2017).

1) This model is Bluetooth-enabled. Does that mean that the monitor is completely superfluous and I can skip the install of that component?

2) I read the shunt is meant to be kept dry. Can I somehow do this install within the existing battery compartment, or does the shunt need to be on the interior of the Airstream?

3) If I elect to install the battery monitor itself, where would people recommend putting the monitor and how do people recommend threading the ethernet cable from the shunt to the monitor? I want to minimize drilling if possible.

Many thanks for any help from anyone with experience in this area!

Phil
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Old 03-13-2018, 09:44 AM   #2
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2017 30' Classic
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Carlisle , Pennsylvania
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Hi

My understanding is that the Bluetooth transmitter is in the monitor housing. Mounting the monitor somewhere under something is the usual solution.

You *can* mount the shunt in the battery area. You will need a waterproof box to put it in. You will also need waterproof gaskets for the wire going into and out of the box. The most likely place to find room for the box is on the outside of the compartment (unless you have an unusually roomy battery compartment )

If both the shunt and the monitor go "under something" then the routing of the cable is pretty easy. Otherwise .... count on some fun. A lot depends on exactly where what items are on your trailer.

Bob
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Old 03-13-2018, 01:17 PM   #3
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2017 27' Flying Cloud
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Thank you for the reply!

Does anyone know if a fit-for-purpose ready-made waterproof box is available from Amazon or other seller? Or, are people constructing their own?

Thanks.
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Old 03-14-2018, 07:42 AM   #4
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Quote:
Originally Posted by Philip Jones View Post
Thank you for the reply!

Does anyone know if a fit-for-purpose ready-made waterproof box is available from Amazon or other seller? Or, are people constructing their own?

Thanks.
Hi

If there is one, nobody has ever found it. You need to fabricate something with mounts as well as the gaskets. Take a look at your battery box. My guess is that there isn't any room inside. If it's external, you need to fabricate something that will survive a rock strike ....

This (or another one in the product line) isn't a bad starting point:

https://www.digikey.com/product-deta...M576-ND/284773

You still need a gasket for the box and the watertight fittings for the wire in and out. I don't have a box or a shunt handy so I'm only guessing at the size. It's aluminum so you can paint it with normal primer and paint.

Bob
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Old 03-14-2018, 09:11 AM   #5
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2018 27' Flying Cloud
Atlanta , Georgia
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I bought a Victron 700 and am planning an installation as well. My thought is to put the shunt inside the rear storage area (on the driver side) where the solar and inverter are located. I will have to get some battery cables to make it work and have not figured out all the details yet. While I also bought the Bluetooth, I am thinking of putting the display in the bedroom area inside one of the upper storage cabinets.
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Old 03-14-2018, 09:12 AM   #6
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Littleton , Colorado
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I have seen a WP box for it. Just search Victron or Amazon. When you wire to it, use welding cable, as it is very flexible, so you can use the same gauge cable as is going to your batteries now. Again, lots of choices on Amazon.
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Old 03-14-2018, 02:49 PM   #7
Bill Crockett
 
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2012 27' FB International
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Parker , Colorado
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Quote:
Originally Posted by Philip Jones View Post
Hi all,

I recently got the Victron BMV-712 battery monitor. I had three questions, in the context of an install in a FC 27' FB (2017).

1) This model is Bluetooth-enabled. Does that mean that the monitor is completely superfluous and I can skip the install of that component?

2) I read the shunt is meant to be kept dry. Can I somehow do this install within the existing battery compartment, or does the shunt need to be on the interior of the Airstream?

3) If I elect to install the battery monitor itself, where would people recommend putting the monitor and how do people recommend threading the ethernet cable from the shunt to the monitor? I want to minimize drilling if possible.

Many thanks for any help from anyone with experience in this area!

Phil
I have a 2012 27FB. I installed a Victron BMV 700 shunt and monitor / display in a custom made pine box. I mounted the box by the power terminals under the bed in the front storage bin. I also have the Bluetooth Dongle so I use the iPhone app to control everything. The app does everything that the controls on the display do so I do not need to look at the display in the storage bin.
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Old 03-14-2018, 08:52 PM   #8
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2017 27' Flying Cloud
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Thanks to all for the information! Very helpful.
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Old 03-15-2018, 06:39 AM   #9
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Fort Worth , Texas
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Look at PKYS for waterproof solutions if you want to place your shunt in the battery box. I placed mine (712 model with bluetooth) in the storage compartment of my 27 FC (FB) and that has worked well.
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Old 03-15-2018, 02:16 PM   #10
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2011 23' FB Flying Cloud
2008 19' Safari SE
Brossard , Quebec
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Box for bmv-700

Quote:
Originally Posted by Philip Jones View Post
Hi all,

I recently got the Victron BMV-712 battery monitor. I had three questions, in the context of an install in a FC 27' FB (2017).

1) This model is Bluetooth-enabled. Does that mean that the monitor is completely superfluous and I can skip the install of that component?

2) I read the shunt is meant to be kept dry. Can I somehow do this install within the existing battery compartment, or does the shunt need to be on the interior of the Airstream?

3) If I elect to install the battery monitor itself, where would people recommend putting the monitor and how do people recommend threading the ethernet cable from the shunt to the monitor? I want to minimize drilling if possible.

Many thanks for any help from anyone with experience in this area!

Phil
I install the BMV in a small die cast aluminium (patiently polish) box.
Hold in place by a velcro tape near the Sony receiver/DVD player.
The shunt is located at front of the trailer (23FB).
Cable is routed inside at the top of the "roof locker" dinette curb side.
If you need additional pictures, I can post.
Michel
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Old 03-15-2018, 02:29 PM   #11
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Spokane , Washington
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How did you get that cable thru that small opening and where does it come out?
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Old 03-15-2018, 04:14 PM   #12
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2017 27' Flying Cloud
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Thank you to everyone for the very useful advice! Much appreciated.
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Old 03-15-2018, 04:26 PM   #13
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Nicely done!
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Old 03-15-2018, 05:31 PM   #14
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Just a reminder, with the bluetooth, you can locate the meter anywhere. I have mine located in the front locker above the light. Not easy to see, but far more information available through the app and the bluetooth connection anyway! May not be worth a lot of work just to locate that meter in a spot that is easy to see!
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Old 03-15-2018, 07:28 PM   #15
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Victron 712 install in 27' FB

Yeah for my last trailer I left far deep under the couch. I only needed it for Bluetooth so I could connect with my phone. The new app is pretty good and gives trending and usage stats.

For my current trailer I知 visiting lewster in OR for a complete victron energy system installation with solar, lithium, hybrid inverter, etc.

I値l likely use the Venus GX monitoring platform which has no display - you connect to it via Wi-fi on your tablet, phone etc....

It will monitor all systems in the trailer. No need for another screen when everyone has one in their pocket
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Old 03-16-2018, 11:33 AM   #16
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2011 23' FB Flying Cloud
2008 19' Safari SE
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Bvm-700 cable location

Quote:
Originally Posted by Spinonedad View Post
How did you get that cable thru that small opening and where does it come out?
I feed the BMV-700 cable this way:
1-From aluminium box: Blue tooth cable to small cabinet under it. Dongle is located aside the Sony receiver
2-In a cable loom (white) up in the top of "roof locker", then,
3-Go in the curb side of wardrobe down to near the water heater.
4-Go over the top of the external door curb side.
5-inside the "electrical" location at the front of the trailer.
The shunt is located at the top left corner of picture

Michel
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Old 03-16-2018, 02:07 PM   #17
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"with the bluetooth, you can locate the meter anywhere."

Amen! In fact, I stowed mine under the bed with the rest of my (upgraded) electrical gear, and haven't even looked at it in months. I monitor, and when necessary adjust, everything from the well-designed VictronConnect app on my iPhone or iPad. It's way easier to do it that way than with the BMV meter's small display and four membrane pushbuttons.

I use the same VictronConnect app to monitor and control my Bluetooth-enabled Victron solar controller and lithium batteries. Bluetooth is a huge boon in this application, because it eliminates the need to find a place to mount displays, run cables to them, and so on. In my previous RV I had a couple square feet of wall space devoted to various meters and monitors. Now it's all on my phone, and much easier to read.

I might add that Victron's software is well-designed and constantly maintained and upgraded. Just this morning I was prompted to install an update that added a low-temp charging cutoff feature to my lithium system. My hat is off to Victron for not sitting on their laurels the way some manufacturers do.
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Old 03-17-2018, 08:07 AM   #18
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2011 23' FB Flying Cloud
2008 19' Safari SE
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Venus gx

Quote:
Originally Posted by wulfraat View Post
Yeah for my last trailer I left far deep under the couch. I only needed it for Bluetooth so I could connect with my phone. The new app is pretty good and gives trending and usage stats.

For my current trailer I知 visiting lewster in OR for a complete victron energy system installation with solar, lithium, hybrid inverter, etc.

I値l likely use the Venus GX monitoring platform which has no display - you connect to it via Wi-fi on your tablet, phone etc....

It will monitor all systems in the trailer. No need for another screen when everyone has one in their pocket
I will appreciate to get your experience with the Venus GX installation. I was involved in a project with the CCGX, Multi-Plus, Blue Solar MPPT, BMV and LiFe Lithium batteries installation.
Your feedback about the connected link with the VRM Victron portal and your WiFi device will be very instructive for the Airstream community.
Particularly when the Venus will be not connected with your WiFi device / VRM Portal after the 48 hours "buffered" registered data in the Micro SD card.

Michel
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Old 03-17-2018, 08:27 AM   #19
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Quote:
Originally Posted by Papou View Post
I will appreciate to get your experience with the Venus GX installation. I was involved in a project with the CCGX, Multi-Plus, Blue Solar MPPT, BMV and LiFe Lithium batteries installation.

Your feedback about the connected link with the VRM Victron portal and your WiFi device will be very instructive for the Airstream community.

Particularly when the Venus will be not connected with your WiFi device / VRM Portal after the 48 hours "buffered" registered data in the Micro SD card.



Michel


Yeah I may throw in a 32Gig micro SD card to work around the buffering issue. That should give ample storage with 15 minute logging intervals.

That being said I知 not sure if my local storage facility has wi-if or if I値l leave the system up and running (hot) while in outdoor covered storage.

More to come once the system is installed and fully operational. Installation is May 7-21,then we are on the road for 2 weeks to test things out.
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Old 03-18-2018, 11:32 AM   #20
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Victron 712 in the galley.
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