Huawei SUN2000-M3 User Manual

6.2 System Power-On
Prerequisites
D ANGER
● Wear insulated gloves and use insulated tools to prevent electric shocks or
short circuits.
NO TICE
● Before turning on the AC switch between the SUN2000 and the power grid,
check that the AC voltage is within the specied range using a multimeter.
● If the DC power supply is connected but the AC power supply is disconnected,
the SUN2000 will report a Grid Loss alarm. The SUN2000 can start properly
only after the power grid recovers.
Procedure
Step 1 Turn on the AC switch between the SUN2000 and the power grid.
Step 2 (Optional) Remove the locking screw beside the DC switch.
Figure 6-1 Removing the locking screw beside the DC switch
Step 3 Turn on the DC switch at the bottom of the SUN2000.
Step 4 Observe the LED indicators to check the operating status of the SUN2000.
Table 6-2 Indicator description
Category
Status Description
Running
indicator
LED1 LED2 –
Steady green Steady green The SUN2000 is
operating in grid-
tied mode.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 6 Commissioning
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 61

Huawei SUN2000-M3 Specifications

General

Type	String Inverter
Rated AC Grid Frequency	50 Hz / 60 Hz
DC Connection Type	MC4
Protection Degree	IP65
Cooling Method	Natural convection
Category	Inverter
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	≤ 3 %
Operating Temperature Range	-25°C to 60°C
Communication	RS485
Efficiency	98%
Protection Level	DC reverse polarity protection, AC overcurrent protection, AC short-circuit protection, Overvoltage protection, Insulation monitoring, Residual current monitoring unit, Arc fault detection