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SUN2000-(50KTL, 60KTL, 65KTL)-M0 User Manual

This document describes the SUN2000-50KTL-M0, SUN2000-60KTL-M0 and SUN2000-65KTL-M0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Routine Maintenance

Routine Maintenance

To ensure that the SUN2000 can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter.

  • Before cleaning the system and maintaining the cable connections and grounding reliability, power off the system (see Powering Off the System for details) and ensure that the two DC switches on the SUN2000 are OFF.
  • If you need to open the maintenance compartment door on rainy or snowy days, take protective measures to prevent rain and snow entering the maintenance compartment. If it is impossible to take protective measures, do not open the maintenance compartment door on rainy or snowy days.
Table 8-1 Maintenance checklist

Item

Check Method

Maintenance Frequency

System cleanliness

Periodically check that the heat sinks are free from obstacles or dust.

Once every six to twelve months

System running status

  • Check that the SUN2000 is not damaged or deformed.
  • Check that the running sound of the SUN2000 is normal.
  • When the SUN2000 is running, check that all SUN2000 parameters are correctly set.

Once every six months

Electrical connections

  • Check that cables are securely connected.
  • If clamps are used for AC cable connections, check that they are secured with a torque of 35 N·m.
  • Check that cables are intact, in particular, the parts touching the metallic surface are not scratched.
  • Check that the unused COM, USB, and RESERVE ports are covered by watertight caps.

The first inspection is six months after the initial commissioning. From then on, the interval can be six or twelve months.

Grounding reliability

Check that ground cables are securely connected.

The first inspection is six months after the initial commissioning. From then on, the interval can be six or twelve months.

Updated: 2019-10-12

Document ID: EDOC1100016052

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