10. Creating systems with multiple units
The AC Master 2500/3500 allows you to create the following systems with multiple units:
Parallel configuration with 2 to 15 units to create more output power.
3 phase configuration with 3 units.
Installation guidelines
When creating a system with multiple units always
make sure that:
you only use identical AC Masters with the same
article numbers;
keep at least 10 cm / 4 inch of free space
between the units;
do not position units in the air flow of one
another, see picture;
the main switch is OFF before you start
configuring each unit;
DIP switch 7 and 8 are set to ‘1’ for each unit;
each unit in the system is set to the same AC output voltage
and frequency with DIP switches 1 and 3;
you always have one Master in your system;
the CAN-bus is always terminated by placing the jumpers in the
the first and the last unit, see picture.
DC wiring
High currents will pass through the wiring. For safe installation:
All wiring must be correctly sized and fused according to the locally applicable standards.
The cables between the DC-distribution and the AC-Masters must be of equal length and cross-
section.
Keep the cable lengths as short as possible.
Use only one battery bank.
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