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SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual

This document describes the SUN2000-175KTL-H0,SUN2000-185KTL-INH0, and SUN2000-185KTL-H1 in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074671, 01074684, 01074687
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Routine Maintenance

Routine Maintenance

Maintenance Item

To ensure that the inverter 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, connecting cables, and maintaining the grounding reliability, power off the system and ensure that the three 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 or snow entering the maintenance compartment. If unavoidable, do not open the maintenance compartment door.

Maintenance list


Check Method

Maintenance Interval

  • Cleanness of air intake and exhaust vents

  • Fans

  • Check whether there is dust on the air intake and exhaust vents. If necessary, remove the baffle of the air intake vent.
  • Check whether the fans produce abnormal sounds during operation.

Once every 6 to 12 months

System running status

  • The inverter is not damaged or deformed.
  • The inverter operates with no abnormal sound.
  • When the inverter is running, check whether all inverter parameters are correctly set.

Once every 6 months

Electrical connections

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

The first inspection is 6 months after the initial commissioning. From then on, the interval can be 6 or 12 months.

Grounding reliability

Ground cables are securely connected.

The first inspection is 6 months after the initial commissioning. From then on, the interval can be 6 or 12 months.

Removing the baffle of the air intake vent

Figure 8-1 Removing the baffle
Updated: 2019-09-21

Document ID: EDOC1100083285

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