SMA SC 500HE-US Maintenance Manual - Manual (Page 24)

4 Maintenance SMA America, LLC
24 SC500HEUS-eng-WH-IUS120411 Maintenance Manual
1. Remove the air baffle from the inverter cabinet. To do
this, grasp under the air baffle and press upward in
the middle when removing.
2. Clean the air baffle with a brush and vacuum.
3. Push the air baffle into the inverter cabinet. Here, the
ventilation grid in the filter frame has to face the back
panel.
☑ The ventilation grid is flush with the inverter
enclosure.
✖ What if the air baffle does not go all the way in?
• Grasp the air baffle from underneath and
press upward in the middle while pushing it in.
4.3.5 Cleaning the Air Duct and Insect Screen
Requirement:
☐ The inverter must be disconnected (see 4.3.1 "Disconnecting the Inverter", page 19).
The insect screen is located on the front side of the inverter's roof (see 3.1 "Design of the
Inverter", page 15).
/05*$&
Impaired air circulation increases the internal temperature and can reduce the electrical
endurance of temperature-sensitive components.
The cleaning interval for the air duct and insect screen is dependent on the ambient conditions.
• Clean the air duct and insect screen more frequently in cases where there is high sand or dust
content in the air (see maintenance report).