Connecting The Pv Array - SMA SUNNY TRIPOWER CORE1-US Instrucciones De Instalación

6 Electrical Connection
6.4.3

Connecting the PV Array

Damage to the DC connectors due the use of contact cleaner of other cleaning
agents
Some contact cleaners or other cleaning agents may contain substances that decompose the
plastic of the DC connectors.
• Do not use contact cleaners or other cleaning agents for cleaning the DC connectors.
Destruction of the inverter due to overvoltage
If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter,
the inverter can be destroyed due to overvoltage.
• If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the
inverter, do not connect any strings to the inverter and check the design of the PV system.
Destruction of the measuring device due to overvoltage
• Only use measuring devices with a DC input voltage range of 1000 V or higher.
Procedure:
1. Ensure that the circuit breaker is switched off and that it cannot be reconnected.
2. Ensure that the AC load-break switch and the DC
load-break switch are in the O position and are
secured against reconnection.
3. Secure the DC load-break switch against
reconnection using a padlock.
4. Connect each equipment grounding conductor of the PV array to an equipment grounding
terminal:
30 STP50-US-40-IA-en_es-11
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