Axpert MLV-5KW-48V, User Manual

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6
Battery Connection
CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over-current
protector or disconnect the device between battery and inverter. It may not be necessary to disconnect the
device for some applications, however, it’s requested to have over-current protection installed. Please refer to
the typical amperage in the table below as required fuse or size of the breaker.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! It's very important for system safety and efficient operation to use
appropriate cable for battery connection. To reduce risk of injury, please use proper
cables and suitable size of terminal recommended below.
Recommended battery cables and size of terminal:
Model Typical
Amperage
Battery
Capacity
Wire Size Ring Terminal Torque
Value
Cable
mm
2
Dimensions
D (mm) L (mm)
5KW 220A 200AH
1*1/0AWG 60 8.4 49.7
5~6 Nm
2*4AWG 44 8.4 49.7
Please follow the steps below to implement the battery connection:
1.
Assemble battery ring terminal based on recommended battery cable and terminal size.
2. Connect all battery packs as units requires. It’s suggested to connect at least 200Ah capacity battery for
5KW model.
3. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are
tightened with torque of
5-6 Nm . Make sure polarity at both the battery and the inverter is correctly
connected and ring terminals are tightly screwed to the battery terminals.
4. Connect all battery packs as below chart.
Ring terminal: