Huawei SUN2000-20KTL User Manual

SUN2000 (8KTL-28KTL)
User Manual
8 Maintenance
Issue 07 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
115
Alarm
ID
Alarm
Name
Alarm
Severit
y
Causes
Measures
502
Internal
Commu
nication
Fault
Minor

The communication
circuit of the inverter
is disturbed.

The communication
circuit is damaged.

The establishment
internal
communication
address is error.
1. If the fault is caused by
short circuit of the
communications circuit
inside the SUN2000, the
SUN2000 automatically
recovers to the normal
operating status after the
fault is rectified.
2. If the fault cannot be
rectified for a long time,
contact Huawei technical
support.
504
Version
Mismatc
h
Minor
During software upgrade
of the SUN2000, the
version of the software
loaded is incorrect.
Check whether you have
performed a software upgrade
recently. If yes, upgrade the
software to the correct
version again.
505
Firmwar
e
Upgrade
Failed
Major
Upgrade is not
completed normally.
Upgrade again.
61440
Flash
Fault
Minor

Lack of Flash space.

Bad blocks is in
Flash. There is a
problem in device.
1. Replace monitor board.
2. If the monitor board and
equipment are one,
replace the entire monitor
equipment.
If you cannot rectify faults with the measures listed in Table 8-2, contact Huawei technical support.

Huawei SUN2000-20KTL Specifications

General

Max. efficiency	98.6%
Rated AC output power	20, 000 W
Max. apparent power	22, 000 VA
No. of MPP trackers	2
Max. input voltage	1100 V
Protection degree	IP65
Max. DC Power	30, 000 W
Start Voltage	200 V
Nominal DC Voltage	600 V
Max. Input Current per MPPT	26 A
Nominal AC Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Total Harmonic Distortion (THD)	<3%
DC Reverse-Polarity Protection	Yes
AC Overcurrent Protection	Yes
AC Short-Circuit Protection	Yes
DC Insulation Resistance Detection	Yes
Residual Current Monitoring	Yes
AC Overvoltage Protection	Yes
DC Switch	Yes
Cooling Method	Natural Convection
AC output voltage	220 V / 380 V, 230 V / 400 V
MPPT operating voltage range	200 V - 1000 V
Operating temperature range	-25°C to +60°C
Relative Humidity	0% - 100%
Operating Altitude	Up to 4000 m
Surge Protection	Type II DC & AC