SMA SUNNY CENTRAL Maintenance manual - Manual (Page 53)

SMA Solar Technology AG Additional notes for Sunny Central 100
Maintenance Manual SCWAR-WEN094020 53
3. Visually inspect the individual components and make sure there is no corrosion. Grease the
contacts of the transformers and the sinusoidal filter connections, if necessary.
7.2 Checking the cable feed of the SC 100 outdoor
1. Check the space between the inverter cabinet and the roof as well as the exhaust air area in
the cabinet's plinth for contamination or damage. An optimal ventilation of the inverter must be
ensured at all times.
2. Loosen the screws at the left rear panel and remove
the rear panel. The transformer can now be
accessed.
One-piece rear panel
Switch cabinets of the new construction type have a one-piece rear panel.
DANGER!
Death resulting from electric shock and burning upon touching the medium-
voltage grid's live components.
• Only work on the device when it is switched off and voltage-free.