SMA SC 500CP-10-JP Maintenance Manual - Manual (Page 46)

7 Maintenance of Accessories SMA Solar Technology AG
46 SCCP-JP-WA-A4-en-12 Maintenance Manual
7.3.2 Maintenance Interval
• Service the Sunny Main Box every 24 months.
7.3.3 Overview of the Main Components
Figure 15: Main components in the interior of the Sunny Main Box Cabinet
7.3.4 Checking the Mounting Location and Installation
• Ensure that the mounting location is accessible.
• Ensure that the Sunny Main Box Cabinet is securely in place.
• Remove all inflammable materials.
• Ensure that the Sunny Main Box Cabinet is not exposed to direct solar irradiation.
7.3.5 Checking the Enclosure
• Check whether the enclosure is damaged.
If the enclosure is damaged, contact the SMA Service Line.
• Check the tightness of the enclosure.
Position Designation
A DC busbar +terminal or ‒terminal depending on PV system
B DC fuses or disconnection blades
C DC inputs positive terminal or negative terminal depending on PV system
D Grounding terminal