Steca PR 2020 IP65, Руководство по эксплуатации

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2.2. Connecting the Regulator
Connect the individual components to the symbols provided.
Observe the following connection sequence during commissioning:
1. Connect the battery to the charge regulator - plus and minus
2. Connect the photovoltaic module to the charge regulator - plus and minus
3. Connect the consumer to the charge regulator - plus and minus
The reverse order applies when deinstalling!
Please observe that the automatic adjustment to 12 V / 24 V systems does not
function properly, if this sequence order is not followed. An improper sequence
order can damage the battery!
2.3. Grounding
Grounding the regulator is not technically required when installing a stand-alone solar
system.
Observe, however, the corresponding applicable national regulations. Common ground
connection is possible for all positive connections; however, only a single connection is
possible for a negative ground.
Observe that there is no common connection, e.g. across a ground connection, the
minus module connections, battery minus and load minus. Non-observance can damage
the regulator!
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