Huawei SUN2000-17KTL User Manual

SUN2000 (8KTL-28KTL)
User Manual
8 Maintenance
Issue 12 (2019-06-30)
Copyright © Huawei Technologies Co., Ltd.
109
8 Maintenance
This chapter describes routine maintenance and troubleshooting practices that ensure optimal
performance of the SUN2000.
8.1 Powering Off the SUN2000
Comply with the safety precautions and operation procedures specified in this section when
powering off the SUN2000 for maintenance or replacement.
Context
After the SUN2000 has shut down, residual electricity and heat may still cause electrical
shock and body burns. Therefore, only begin servicing the SUN2000 five minutes later after
shutting down.
Procedure

To maintain the SUN2000, perform a to c. To replace the SUN2000, perform a to g.
a. Enter the shutdown command on the LCD.
For details, see 7.2.12 Manually Starting and Shutting down the SUN2000.
A shutdown command can also be run from the element management system (EMS).
For details, see the NetEco 1000S V100R002C00 User Manual.
b. Switch off the circuit breaker between the SUN2000 and the power grid.
c. Set the DC SWITCH to OFF.
d. Disconnect the RS485 communications cables.
e. Disconnect the DC input power cables.
For details, see Follow-up Procedure in 5.3 Connecting DC Input Power Cables.
f. Disconnect the AC output power cables.
For details, see Follow-up Procedure in 5.2 Connecting AC Output Power Cables.
g. Disconnect the PGND cables.

Huawei SUN2000-17KTL Specifications

General

Max. efficiency	98.6%
European efficiency	98.3%
Max. DC voltage	1100 V
MPPT voltage range	200 V - 1000 V
Max. input current per MPPT	26 A
Number of MPPTs	2
AC nominal power	17000 W
Operating temperature range	-25°C to +60°C
Cooling	Natural Convection
Protection rating	IP65
Max. AC power	18700 VA
Rated AC voltage	220 V / 380 V, 230 V / 400 V