I recently purchased a BMV-600 single
for my Beneteau
343 sailboat. Upon getting started with my installation
, I noticed that my boats wiring
is a bit different that what could be expected in the installation
manual provided by Victron.
First, some background. My boat has 2 battery
banks, however I am only concerned with monitoring my house bank. The 2 banks are all populated with Group 27 flooded batteries. The starting bank is a single
Group 27 battery
. The house bank, however, has 2 Group 27's wired in parallel.
The positive posts of each battery bank is wired to its own separate positive switch....meaning, if I wanted to shut off/isolate the starting bank, I would simply turn off the positive switch for that bank. However, for the negative side of things, both banks are wired to a common negative switch. Meaning, if I wanted to shut off the entire electrical system
to the boat, I would simply throw the switch for the negative bank. All this is standard I'd imagine for many boats.
Here's where I'm a bit confused. On the negative switch, all of my battery cables
seem to be crimped together onto a single lug which is then then attached to the negative switch. I'd imagine Beneteau
did this to save some bucks of having to crimp seperate connectors for everything that needs to attach to the the negative switch and keep things cleaner. See this picture for the visual (sorry for quality...cameraphone):
As I would like to install and monitor
only the house bank, I am wondering if I can simply take that common, crimped cable and attach it to one end of the shunt of the monitor. Then have another battery cable fabricated and take it from the other side of the shunt and attach it to the common negative switch. OR, since I only want to monitor the house, would I be required to uncrimp the cables
and separate the house bank negative cable and ONLY attach the house bank negative cable to the shunt and place all the rest directly on the negative switch?
I want to desperately to get this project
done this weekend and cant wait for Victron support to be back online on Monday. Please help!