Sungrow ST2752UX, Инструкция по эксплуатации и обслуживанию

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3.6 PCS Maintenance
3.6.1 Safety Rules
Only qualified personnel can perform the work described in this chapter.
Do not leave any screws, washers or other metallic parts inside the PCS to avoid
damages to the PCS.
Disconnection of the switches in no way implies that there is no voltage of the
cable connection terminals inside the AC and DC cabinet. To avoid the risk of
electric shock before opening the cabinet door,
• Disconnect the switches;
• Disconnect the upstream and downstream switches of the PCS.
Wait at least 5 minutes after PCS stops before any work on the PCS.
During the operation of the equipment, personnel should wear protective earplugs
when approaching.
3.6.2 Maintenance and Interval
Recommended routine maintenance work and maintenance interval are shown in the
following table.
Operation & Maintenance Instruction 3 Routine Maintenance