· Power off the battery system before connecting the power cable to avoid high voltage danger
· The electrical connection of high voltage battery systems must be operated by qualified technicians in accordance with
local and national power grid standards and regulations.
Step 1: Connect the power cable from B- port of inverter to B- port of the battery 4 (the battery number can
be varied, it should be depended on the number of battery modules in the system).
Step 2: Connect power cable from B+ port of battery 4 to B- port of battery 3.
Step 3: Repeat step 2 to connect the rest of the battery modules.
Step 4: Connect the B+ of inverter to B+ of battery 1.
Note: Please follow the following diagrams to connect cables.
Figure 5.15
Connecting battery power cables
5.7 System Connection
HS2 Series
The system connection in Germany, Australia and New Zealand is as below, the neutral cable of AC and
backup side must be connected together for the safety reason.
Note: DO NOT connect the PE terminal of BACKUP side.
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