Installing Dc Input Power Cables - Huawei LUNA2000-NHS0 Quick Manual

Installing DC Input Power Cables

4.4
1. You are advised to connect the battery terminals (BAT+ and BAT–) on the switch side to the
inverter and connect the other side to the cascaded battery.
2. The battery terminals use the Staubli MC4 positive and negative metal terminals and DC
connectors supplied with the solar inverter. Using incompatible positive and negative metal
terminals and DC connectors may result in serious consequences. The caused device damage is
not covered under warranty.
Assembling DC Connectors
Positive metal
terminal
Negative metal
terminal
Installing DC Input Power Cables
Use dedicated insulated tools to connect cables. Ensure that battery cables are connected to
correct polarities. If the battery cables are reversely connected, the battery may be damaged.
Recommended ：
PV-CZM-19100
Ensure that the cable
cannot be pulled out after
being crimped.
Ensure that cable
polarities are
correct.
Use the wrench
shown in the figure
to tighten the
locking nut. When
the wrench slips
during the
tightening, the
locking nut has
been tightened.
12
Positive connector
Negative
Click
connector
PV-MS-HZ
Open-end
wrench