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. !!!!!!!!!!!!!!!!! ATTENTION: !!!!!!!!!!!!!!!!!!!! New Installation REQUIRES: 1 of 31-00-00317110 or 31-0000317200 or 31-0000317300 kit.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. Prevents dead batteries by disconnecting the battery before it is completely drained. Replaces 00-00317-000 Includes relay, wiring, and hardware needed to install. New Installations Requires 1 of the following: Includes relay, wiring, and hardware needed to install. Disconnect Bypass – A terminal on the Controller provides constant battery power to the radio or phone memory, or as a solar panel connection.System Test Switch – There is a “Test” switch on the Controller that allows testing of the completed installation.Ignition Override – When the ignition switch is turned on, the unit will not disconnect the battery, regardless of the voltage level.Automatic Re-connect – When the voltage rises above 13.0 volts, as with a “jump start” or connection of a charger, the battery will automatically be re-connected.Disconnect Indicator – The Switch LED will blink to indicate that the battery has been disconnected.Dash Mount Reset Switch – When the battery has been disconnected, it can be reconnected by pressing the Battery Guard Reset Switch.When the voltage is less than 12.0 volts for four minutes, the battery will be disconnected.
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