Huawei SUN2000-4KTL-M1 User Manual

8 Maintenance
Prerequisites
D ANGER
● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
WARNING
● Before performing maintenance, power o the equipment, follow the
instructions on the delayed discharge label, and wait for a period of time as
specied to ensure that the equipment is not energized.
8.1 SUN2000 Power-O
Important Notes
WARNING
● After the system is powered o, the inverter is still energized and hot, which
may cause electric shocks or burns. Therefore, wait for 5 minutes after power-
o and then put on insulated gloves to operate the inverter.
● Before maintaining the optimizer and PV string, turn o the AC switch and DC
switch. Otherwise, electric shocks may occur as the PV string is energized.
Procedure
Step 1 Turn o the AC switch between the SUN2000 and the power grid.
SUN2000-(3KTL-10KTL)-M1 Series
User Manual 8 Maintenance
Issue 17 (2024-01-12) Copyright © Huawei Technologies Co., Ltd. 102

Huawei SUN2000-4KTL-M1 Specifications

General

Max. efficiency	98.4%
European efficiency	97.8%
AC nominal power	4000 W
Operating temperature range	-25°C to +60°C
Max. DC Voltage	600 V
Start Voltage	200 V
Max. Short-Circuit Current per MPPT	18 A
Number of MPPT Trackers	2
Cooling	Natural Convection
Protection Degree	IP65
Output Frequency	50 Hz / 60 Hz
Nominal AC voltage	220 V / 230 V / 240 V
Max. DC Power	6000 W
Rated AC Voltage	230 V