SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Sunny Central

10.2.3.4 Sunny Central
Required maintenance materials and tools:
☐ A suitable water-free, heat-resistant lubricant
☐ A testing device approved by the manufacturer of the AC disconnection unit, e.g. TT1 by ABB
☐ Talcum, petroleum jelly or wax for maintaining the seals
☐ Use touch-up sticks, paint brushes, cans of spray paint or 2K-PUR acrylic paint in the appropriate RAL color to
repair small-area surface damage.
☐ Use touch-up paint or 2K-PUR acrylic paint in the appropriate RAL color to repair large-area surface damage.
☐ Abrasive cloth
☐ Degreaser
☐ A surge arrester testing device approved by the manufacturer of the surge arrester such as the PM20 by
DEHN+SÖHNEGmbH+Co.KG
Maintenance work depending on the condition of the inverter
Maintenance with DC voltage present
Task See
Reading off error messages and warnings Section9.3.2, page119
Checking the AC disconnection unit Section10.5.11, page154
Maintenance under voltage-free conditions
Task See
Performing an optical inspection Section10.4.1, page140
Cleaning the ventilation plate Section10.5.3, page146
Cleaning the air duct and ventilation grids Section10.5.2, page146
Checking the interior Section10.4.2, page141
Checking the fuses/disconnection blades Section10.5.4, page147
Checking the bolted connections Section10.5.5, page147
Checking the surge arrester Section10.5.6, page148
Checking the labels Section10.5.8, page150
Checking the inverter surface Section10.4.5, page143
Maintenance work with supply voltage present
Task See
Checking the fans Section10.5.7, page149
Checking the heating element and the hygrostat Section10.5.9, page152
Checking the Function of the UPS Section10.5.10, page153
10 Maintenance
SMA Solar Technology AG
System Manual 137MVPS22JP-SH-en-11