15 commissioning, 1 sequence of commissioning – SMA SC 500CP-10-JP Installation Manual User Manual
Page 72
15 Commissioning
SMA Solar Technology AG
72
SCCP-JP-IA-A4-en-12
Installation Manual
15 Commissioning
15.1 Sequence of Commissioning
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Danger to life from electric shock due to live voltage
High voltages are present in the live components of the Sunny Central. Touching live components results in death or
serious injury due to electric shock.
• When working in a high contact-risk environment, wear personal protective equipment.
• Do not touch any live components.
• Follow the instructions precisely.
• Observe all warning messages on the product and in the documentation.
• Observe all safety precautions of the module manufacturer.
• Provided live voltage is not absolutely necessary, always disconnect the following components from voltage
sources before performing any work on the inverter:
– Grid voltage for grid feed-in
– Internal power supply
– DC voltage from the PV array
– Additional external voltages, e.g. control signals from a control room
• Ensure that no disconnected components can be reconnected.
• Wait 15 minutes after switching off the inverter before opening it. This will ensure that the capacitors are
discharged.
• Before working on the Sunny Central, check that all devices are completely voltage-free.
• Ground and short-circuit.
• Cover or isolate any adjacent live components.
Warranty claims
Warranty claims can only be made valid if commissioning was carried out by SMA Solar Technology AG or if the
fully completed and signed "Commissioning Report for Sunny Central Systems" is available at SMA Solar
Technology AG.
Connecting and disconnecting the AC voltage of the MV transformer
Only a duly authorized person trained in electrical safety is allowed to connect and disconnect the AC voltage of
the MV transformer.
Procedure
See Section
1.
Check the Sunny Central cabling
2.
Insert fuses or disconnection blades
3.
Mount the protective covers
4.
Commission the DC sub-distribution, e.g. Sunny String-Monitor
DC sub-distribution
documentation
5.
If applicable, commission the DC main distribution, e.g. Sunny Main Box.
DC main distribution
documentation
6.
Check the DC voltages