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5.5.4 Connecting the PV array
1. Ensure that the individual miniature circuit-breaker is switched off and
ensure that it cannot be accidentally reconnected.
2. Ensure that the DC switch is switched off and ensure that it cannot be
accidentally reconnected.
3. Ensure that there is no ground fault in the PV array.
4. Check whether the DC connector has the correct polarity.
If the DC connector is equipped with a DC cable having the wrong polarity,
the DC connector must be reassembled. The DC cable must always have
the same polarity as the DC connector.
5. Ensure that the open-circuit voltage of the PV array does not exceed the
maximum DC input voltage of the inverter.
6. Connect the assembled DC connectors to the inverter until they audibly
snap into place.
7. Ensure that all DC connectors are securely in place.
The inverter can be destroyed by overvoltage
If the voltage of the strings exceeds the maximum DC input voltage of
the inverter, it can be destroyed due to overvoltage. All warranty claims
become void.
• Do not connect strings with an open-circuit voltage greater than the
maximum DC input voltage of the inverter.
• Check the design of the PV system.
Summary of Contents for ASW S-A Series
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