SMA Solar Technology AG
Opening and Closing
Technical Description
SBU2200-TEN083320
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6 Opening and Closing
Do not remove the housing cover of the Sunny Backup 2200, or open the door of the Automatic
Switch Box S, unless during installation of the device, or maintenance or repair work.
1. Switch off the Sunny Backup 2200.
2. Disconnect the Sunny Backup 2200 and the Automatic Switch Box S from all voltage sources
(battery, grid) (see sections 11.2 „Stopping“ (93) and 11.3 „Deactivation“ (95)).
3. Wait 15 minutes (discharge time of the capacitors).
4. Secure the backup system against being inadvertently switched back on.
6.1 Sunny Backup 2200
Opening the Sunny Backup 2200
1. Loosen the six non-removable hexagon socket
screws of the lower cover.
2. Carefully remove the cover.
3. Remove the display cable from the cover. (No
cable is installed if the device is new.)
Now remove the cover from the housing.
4. Store the cover in a safe place.
DANGER!
Risk of lethal electric shock.
High voltages are present in the device!
• Only qualified electricians are permitted to open the devices!
• Follow the instructions!
NOTICE!
Potential damages to the internal components of the Sunny Backup 2200
(e.g., communication interface) due to electrostatic discharge.
• When working on the Sunny Backup 2200 or handling the module assemblies, be
sure to observe all ESD safety regulations.
• Discharge any static electricity by touching the grounded metal housing.
• Work can begin once all static electricity has been discharged.
Information
The cover screws are non-removable screws that can be loosened, but not removed.
