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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their 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 SUN2000) and ensure that the two DC switches on the inverter are OFF.
  • If you need to open the maintenance compartment door in 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 in rainy or snowy days.
Table 8-1  Maintenance list

Item

Check Method

Maintenance Interval

System cleanliness

Check periodically that the heat sinks are free from obstacles or dust.

Once six months to a year

System running status

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

Once six months

Cable connections

  • Check that cables are securely connected.
  • Check that cables are intact, in particular, the parts touching the metallic surface are not scratched.
  • Check that the idle COM, USB, and AC OUTPUT ports are locked by waterproof caps.

The first inspection is half a year after the initial commissioning. From then on, perform the inspection once six months to a year.

Grounding reliability

Check that ground cables are securely connected.

The first inspection is half a year after the initial commissioning. From then on, perform the inspection once six months to a year.

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Updated: 2019-08-02

Document ID: EDOC1100019925

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