Chapter Viii Maintenane And Preservation; Operation Environment Requirements; Electrical And Fixed Connection Inspection; Clearing And Cleaning - Alpha ESS PWG2-50K User Manual

34 第八章维护与保养 Chapter VIII Maintenance and Preservation

Chapter VIII Maintenane and Preservation

8.1Operation environment requirements

Device operation environment must comply with the operation environment required for the device:
Allowable environment temperature: -20~55℃
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Allowable relative humidity: 0~95% (non-condensing)
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Allowable maximum elevation: 3,000m
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Note: When exceeding the maximum elevation, the Bi-directional Hybrid Storage Inverter will have de-rating output.
Please consult customer service center for specific de-rating coefficient.

8.2Electrical and fixed connection inspection

After being put into operation, conduct regular inspection on device's electrical and fixed part connection. Such
inspection is advisably conducted every three months. Record for each inspection should be made.
Cabinet grounding connection;
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Module grounding connection;
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Electrical connection for DC input;
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Electrical connection for AC input;
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Electrical connection for auxiliary power supply;
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Electrical connection for communication cables.
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AC/DC switch, SPD and fan.
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Access monitored fault information.
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8.3Clearing and cleaning

Before the device is put into operation, the dust and sundries in its cooper bars, terminals and mesh openings
should be cleaned.
After the device is put into operation, the dust in machine room should be cleaned regularly. Check whether the
ventilating and air exhaust facilities in machine room are normal. They are advisably cleaned once every three
months.