Huawei SUN2000 M5 Series User Manual

Step 4 (Optional) Install the locking screw next to DC SWITCH.
Step 5 Turn o the DC switch between the inverter and PV strings.
----End
8.2 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.
CA UTION
Before cleaning the system, connecting cables, and ensuring the grounding
reliability, power o the system.
Table 8-1 Maintenance checklist
Check Item Check Method Maintenance
Interval
System
cleanliness
Check periodically that the heat sinks
are free from obstacles and dust.
Once every 6 to 12
months
System
operating
status
● Check that the SUN2000 is not
damaged or deformed.
● Check that the SUN2000 operates
with no abnormal sound.
● Check that all SUN2000 parameters
are correctly set during operation.
Once every 6
months
Electrical
connection
● Check that cables are secured.
● Check that cables are intact, and
that in particular, the parts touching
the metallic surface are not
scratched.
The rst inspection is
6 months after the
initial
commissioning.
From then on, the
interval can be 6 to
12 months.
Grounding
reliability
Check that ground cables are securely
connected.
The rst inspection is
6 months after the
initial
commissioning.
From then on, the
interval can be 6 to
12 months.
Air tightness Check that all terminals and ports are
properly sealed.
Once a year
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 8 Maintenance
Issue 03 (2023-02-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 66

Huawei SUN2000 M5 Series Specifications

General

Max Efficiency	98.6%
Max Input Voltage	1100 V
MPPT Operating Voltage Range	200 V - 1000 V
Operating Temperature Range	-25°C to +60°C
Communication	RS485, 4G (optional)