SMA SB 2500 Installation - Manual (Page 10)

Safety SMA Solar Technology AG
10 SB25-30-IA-en-51 Installation Manual
2.2 Safety Precautions
DANGER!
Danger to life due to high voltages in the inverter
• All work on the inverter may only be carried out by an electrically qualified person.
CAUTION!
Risk of burns due to hot enclosure parts
• Do not touch the enclosure during operation.
• Only touch the lid during operation.
WARNING!
Risk of electric shock when pulling out the DC connectors under load
If you disconnect the DC connectors from the inverter under load, an electric arc may
occur, leading to electric shock and burns.
• If the inverter is not equipped with an Electronic Solar Switch and the regulations
valid at the installation site require an external DC switch-disconnector, install an
external DC switch-disconnector.
• Switch off the AC miniature circuit-breaker and disconnect the inverter on the DC side
before pulling out the DC connectors.
NOTICE!
Dust and water intrusion can damage the inverter.
If the inverter is equipped with an Electronic Solar Switch, it will only provide IP21 degree
of protection once the Electronic Solar Switch has been pulled out. The inverter is therefore
no longer protected against water and dust intrusion. In order to also maintain degree of
protection IP65 during temporary decommissioning, proceed as follows:
• Unlock and disconnect all DC connectors.
• Open all DC connectors and remove the cables.
• Close all DC inputs with the corresponding DC connectors and the supplied sealing
plugs.
• If an Electronic Solar Switch is installed, reattach the Electronic Solar Switch firmly.