14. Appendix
14.1. Appendix A: Connection Overview

Reference | Description | Connection |
---|---|---|
A | Load connection. AC-OUT-1 Left to right: | N (neutral), PE (earth/ground), L (phase) |
B | Load connection. AC-OUT-2 Left to right: | N (neutral), PE (earth/ground), L (phase) |
C | AC input. AC-IN Left to right: | N (neutral), PE (earth/ground), L (phase) |
D | Programmable (AUX) relay; left to right | NO, NC, COM. |
E | To start without Assistants | Press and hold this button when starting |
F | Primary ground connection | M6 (PE) |
G | battery positive connection. | M8 |
H | battery minus connection. | M8 |
I | switch | -:On, 0:Off, =:charger only |
J | Terminals top to bottom: | |
1. Auxiliary power supply 12 V 100 mA | ||
2. Programmable open collector ooutput (K1) 70V 100mA | ||
3. External ground relay + | ||
4. External ground relay – | ||
5. Analog/digital (AUX) input 1 + | ||
6. Analog/digital (AUX) input 1 – | ||
7. Analog/digital (AUX) input 2 + | ||
8. Analog/digital (AUX) input 2 – | ||
9. Temperature sense + | ||
10 .Temperature sense – | ||
11. Battery voltage sense + | ||
12. Battery voltage sense - | ||
K | External current sensor | |
L | 2x RJ45 VE-BUS connector | for remote control and/or parallel / three-phase operation |
M | Connector for remote switch | Short connection to switch “on”. |
N | Dedicated BMS-Can port (VE.Can not supported) | |
O | USB port | |
P | Reset Button | Reboots the GX card component only |
Q | Ethernet Port | |
R | VE.Direct Port |
14.2. Appendix B : Block Diagram
14.3. Appendix C: Parallel Connections

Additional conditions are required for parallel systems - please read further specific documentation here - https://www.victronenergy.com/live/ve.bus:manual_parallel_and_three_phase_systems
14.4. Appendix D: Three Phase Connections

Additional conditions are required for three phase systems - please read further specific documentation here - https://www.victronenergy.com/live/ve.bus:manual_parallel_and_three_phase_systems
14.5. Appendix E: Charge Characteristic


14.5.1. 4-stage charging:
Bulk Entered when charger is started. Constant current is applied until nominal battery voltage is reached, depending on temperature and input voltage, after which constant power is applied up to the point where excessive gassing is starting (28.8 V resp. 57.6 V, temperature compensated).
14.6. Appendix F: Temperature Compensation

Default output voltages for Float and Absorption are at 25 °C. Reduced Float voltage follows Float voltage and Raised Absorption voltage follows Absorption voltage. In adjust mode temperature compensation does not apply.
14.7. Appendix G: Dimensions

Dimension Drawing - MultiPlus-II 24/3000/70-32 (GX) and 48/3000/35-32 (GX)

Dimension Drawing - MultiPlus-II 48/5000/70-50 GX