The two problems I have been experiencing are:ġ) The biggest issue is this: When connected to a 240v 50a shore power receptacle, if I set the input AC current on either inverter to MORE than 20a, I start running into major issues when any significant load is applied (Air Con, Electric FP, etc) - the inverter will give me overload errors, will bounce between Pass-Thru, Assisting, Inverting modes, and will sometimes actually show a NEGATIVE AC input, as though it is trying to back-feed the grid, though have never actually put a clamp meter to this to verify if it is actually happening. As I have learned, this will lead to some issues since the Neutral wire is shared between the units, but they have no way of knowing what the other unit is doing. After learning some basics myself, it appears that my system was wired to be used as a split-phase setup (see PDF single line drawing attached as provided to me by the installer), but the two Multiplus inverters were never connected via an RJ45/Ethernet communication cable, and so have basically been operating as two separate standalone units, each serving one side of my RV's AC breaker panel. As such, the initial configuration and details of Parallel vs Split-Phase wiring and setup were never fully understood by or explained to me, and within a short time issues started to appear. My system was installed a year ago by a licensed electrician familiar with solar and larger off grid systems, but who had never worked with RV's or Victron equipment & the mix of (relatively) small-scale 12V DC and 120V AC. The Battery Guard 3000 is available in both 12V & 24V and in 100A & 200A versions, see data sheet for part numbers and specifications.I am a new member to the forum and was directed here by a friend who suggested this community may be able to help with sorting out some diagnostics and setup issues I am having with my DUAL Victron Multiplus 12/3000/50 120v installation. With new battery technology in the marketplace now, this is a very useful feature indeed as the chemistries are very different within this new technology.īattery Guard 3000 is now installed to 100% of the UK Fire & Rescue Fleet, as well as Ryder PLC, National Blood, Many Australian Fire & Defence fleets, UK Ambulance Fleets besides many many more. As well as providing programmable low voltage disconnect to prevent a dead battery, the system also acts as a manual isolator and Programmable split charging across chassis and auxiliary batteries. The programmability allows an almost infinite amount of functionality in the one system, the Graphical User Interface ( GUI ) is extremely simple to use and has many very useful features designed in. We decided to make all the parameters of operation programmable by either the installer or the OE. Using all the feedback we have been provided from our customer base, we began the design of the Battery Guard 3000. The sales of Battery Guard 2000 over ten years provided Intellitec with very significant feedback with regards to the development of the next addition to the range of Battery Guard systems.
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