Installation, assembly and commissioning
for the first time
Version 1.1
Page 87 of 113
4.15.2
Check the number of batteries for which the main relay is closed
o
Connect the notebook to the master battery.
o
The “Devices with closed switch” number shows the number of batteries connected to the master
for which the main relay is closed.
o
These batteries are connected in parallel to the master battery and can thus be used in the
complete system (charging and discharging).
Figure 4-38: check the number of BMZ ESS batteries connected in parallel
Other test criterion:
The LED of a battery in the parallel mode (active) continuously lights up in green.
4.16
Adding new batteries
BMZ allows subsequent extensions of the battery system until six months after the first installation.
1)
Configure a new battery as a slave
2)
Disconnect the NH isolator of the output rail
3)
Disconnect the NH isolator of the battery
4)
Connect the power cable of the slave battery to the output rail.
5)
If the new slave battery is switched on, switch it off by pressing the button for 10 seconds (LEDs
must be off)
6)
Connect the NH isolator of the battery
7)
Connect the NH isolator of the output rail
8)
Switch on the slave battery using the button (press the button for > 1 second, LEDs flash)
After adding a new battery, you may still need to deal with the equalising currents. This may lead to the
adjustment of the capacity even if no current flows from or to the inverter.
