Removing The Panels; Cleaning The Ventilation Plate - SMA SUNNY CENTRAL 500CP-US/CA Maintenance Manual

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7.2 Removing the Panels

Grounding straps at the kick plates
The panels are connected to the inverter via grounding straps.
Procedure:
1.
Danger to life due to electric shock or electric arc by touching live components
• Disconnect the inverter and wait 15 minutes until the capacitors have discharged completely (see Section 6).
2. Remove the screws of the front panels using a Torx screwdriver.
3. Pull the panels toward the front.
4. Disconnect the grounding cable between the panels and the
interface cabinet.
5. Remove the panels.

7.3 Cleaning the Ventilation Plate

Damage to the inverter due to impaired air circulation
Impaired air circulation can increase the internal temperature, reduce the electrical endurance of the components and
result in operational faults.
• Clean the ventilation plate more frequently in cases where there is high sand or dust content in the air
(see maintenance report).
Maintenance Manual
7 Maintenance in Disconnected State
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