2 maintenance interval, 3 overview of the main components, 4 checking the mounting location and installation – SMA SC 500CP-10-JP Maintenance Manual User Manual
Page 46: 5 checking the enclosure
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