SMA SC 500HE-US Maintenance Manual - Manual (Page 23)

SMA America, LLC 4 Maintenance
Maintenance Manual SC500HEUS-eng-WH-IUS120411 23
4.3.3 Disassembling the Panels
Requirement:
☐ The inverter must be disconnected (see 4.3.1 "Disconnecting the Inverter", page 19).
1. Undo the screws on the two front panels.
2. Pull the panels toward the front.
3. Detach the equipment grounding connection between the panel and the connection cabinet.
4. Remove the panels.
4.3.4 Cleaning the Air Baffle
Requirement:
☐ The inverter must be disconnected (see 4.3.1 "Disconnecting the Inverter", page 19).
Grounding cables on the kick plates
Grounding cables connect the panels with the inverter.
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Impaired air circulation increases the internal temperature and can reduce the electrical
endurance of temperature-sensitive components.
The cleaning interval for the air baffle is dependent on the ambient conditions.
• Clean the air baffle more frequently in cases where there is high sand or dust content in the
air (see maintenance report).