Disconnecting The Inverter From Voltage Sources - SMA Solar Technology 1D1-410-000-001 Instrucciones Para La Sustitución

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5 Disconnecting the Inverter from Voltage Sources

5
Disconnecting the Inverter from Voltage Sources
Prior to performing any work on the inverter, always disconnect it from all voltage sources as
described in this section. Always adhere to the prescribed sequence.
Danger to life due to electric shock from destruction of the measuring device
due to overvoltage
Overvoltage can damage a measuring device and result in voltage being present in the
enclosure of the measuring device. Touching the live enclosure of the measuring device results in
death or lethal injuries due to electric shock.
• Only use measuring devices with a DC input voltage range of 1000 V or higher.
Procedure:
1. Disconnect the miniature circuit breaker from all 3 line conductors and secure against
reconnection.
2. If the multifunction relay is used, switch off any supply voltage to the load.
3. Remove the ESS.
12
STPTL-20-Display-RM-de-10
WARNING
SMA Solar Technology AG
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