MultiPlus-II GX Table of Contents 1. Introduction ........................................................................................................................... 1 2. Safety Instructions ................................................................................................................... 2 2.1. Transport and storage ...................................................................................................... 2 3. Safe Installation ...................................................................................................................... 3 4.
Product Description ................................................................................................................. 4 4.1. Features applying to all applications ...................................................................................... 4 4.1.1. GX LCD display ................................................................................................... 4 4.1.2. BMS-Can Connections ........................................................................................... 4 4.1.3. Ethernet and Wifi .................................................................................................. 4 4.1.4.
Automatic and uninterruptible switching ........................................................................ 4 4.1.5. Two AC outputs .................................................................................................... 4 4.1.6. Three phase capability ............................................................................................ 4 4.1.7. PowerControl - maximum use of limited AC power ........................................................... 4 4.1.8. PowerAssist - extended use of AC input current .............................................................. 4 4.1.9.
Programmable ..................................................................................................... 4 4.1.10. Programmable relay ............................................................................................. 4 4.1.11. External current transformer (option) .......................................................................... 4 4.1.12. Programmable analog/digital input/output ports .............................................................. 5 4.2. Features specific on-grid and off-grid systems combined with PV ..................................................... 5 4.2.1.
External current transformer (optional) ......................................................................... 5 4.2.2. Frequency shift .................................................................................................... 5 4.2.3. Built-in Battery Monitor ........................................................................................... 5 4.2.4. Autonomous operation when the grid fails ..................................................................... 5 4.3. Battery charger .............................................................................................................. 5 4.3.1.
Lead-acid batteries ................................................................................................ 5 4.3.2. Li-ion batteries ..................................................................................................... 6 4.3.3. Other Li-ion batteries ............................................................................................. 6 4.3.4. More on batteries and battery charging ......................................................................... 6 4.4. ESS - Energy Storage Systems: feeding energy back into the grid ................................................... 6 5.
Operation .............................................................................................................................. 8 5.1. On/Off/Charger only Switch ................................................................................................ 8 5.2. Shut down procedure ....................................................................................................... 8 6. GX LCD Interface ..................................................................................................................... 9 6.1. On/Off behaviour ............................................................................................................ 9 6.2.
Push button behaviour ...................................................................................................... 9 6.3. Information displayed ....................................................................................................... 9 6.4. Error Code Display .......................................................................................................... 9 7. Accessing Connection Points: see appendix A .............................................................................. 10 8. Installation ........................................................................................................................... 11 8.1.
Location .................................................................................................................... 11 8.2. Connection of battery cables ............................................................................................. 11 8.3. Battery Connection procedure ........................................................................................... 11 8.4. Connection of the AC cabling ............................................................................................ 12 8.5. Optional Connections ..................................................................................................... 13 8.5.1.
Remote Control .................................................................................................. 13 8.5.2. Programmable relay ............................................................................................ 13 8.5.3. Programmable analog/digital input/output ports ............................................................. 13 8.5.4. Voltage sense (connection terminal J, see Appendix A) .................................................... 14 8.5.5. Temperature sensor (connection terminal J. see Appendix A) ............................................. 14 8.5.6.
Parallel Connection ............................................................................................. 14 8.5.7. Three-phase operation ......................................................................................... 14 8.5.8. Connection to the VRM Portal ................................................................................. 15