Huawei SUN2000 User Manual

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
8 System Maintenance
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
135
Check Item
Acceptance Criteria
Maintenance
Interval
Electrical
connections

Cables are securely connected.

Cables are intact, Pay particular attention
to the cable jackets touching the metallic
surface, ensuring that they are not
scratched.

Unused DC input terminals, battery
terminals, and COM ports are sealed by
waterproofing bolts. Unused ANT ports
are sealed by watertight caps.
The first maintenance
should be conducted 6
months after the initial
commissioning. From
then on, perform the
maintenance once every
6 to 12 months.
Grounding
reliability
Ground cables are securely connected.
The first maintenance
should be conducted 6
months after the initial
commissioning. From
then on, perform the
maintenance once every
6 to 12 months.
8.2 Parts Replacement
8.2.1 Replacing the Power Compartment
Prerequisites

Before replacing the power compartment, perform the power-off operation. For details,
see 6.3 Powering Off the System.

Before replacing the power compartment, ensure that the screw assemblies between the
maintenance compartment and mounting bracket have been tightened.
The power compartment of SUN2000-3.8KTL/5KTL/7.6KTL-USL0 and
SUN2000-9KTL/10KTL/11.4KTL-USL0 can be replaced in the same way. The following describes the
installation of the SUN2000-3.8KTL/5KTL/7.6KTL-USL0.
Procedure
Step 1 Remove the maintenance compartment cover.

Huawei SUN2000 Specifications

General

Model	SUN2000
Efficiency	Up to 98.6%
MPPT	Yes
Max Input Voltage	1100V
Number of MPPTs	2
Operating Temperature	-25°C to +60°C
Protection Level	IP65
Communication	RS485
Nominal Output Voltage	230V/400V