SMA AUTOMATIC SWITCH BOX XL - Manual (Page 44)

Opening and Closing SMA Solar Technology AG
44 AS-BOX-XL-IEN094410 Installation Guide
7 Opening and Closing
7.1 Opening the Automatic Switch Box
1. Shut down the Sunny Backup-System as described in the Sunny Backup 5000 manual.
2. Switch off the external line circuit breaker and secure against reconnection.
3. Disconnect the Automatic Switch Box from all voltage sources.
4. Open the enclosure with the switch cabinet key.
5. Measure voltage to ensure there is no residual voltage present.
☑ The Automatic Switch Box is now open.
7.2 Closing the Automatic Switch Box
1. Lock the enclosure of the Automatic Switch Box with the switch cabinet key.
2. Start the Automatic Switch Box as described in Section 6 ”Commissioning the Automatic Switch
Box” (page 43).
☑ The Automatic Switch Box is now closed and in operation.
ATTENTION!
Electrostatic discharges can damage the Automatic Switch Box.
• Make sure you are grounded before touching any component.