Symbol Name Meaning
Indicators Indicates the inverter
operating information.
Serial number (SN) Indicates the product
SN.
QR code for inverter
WiFi connection
Scan the QR code to
connect to the Huawei
inverter WiFi.
2.4 Working Principles
2.4.1 Circuit Diagram
A SUN2000 can connect to a maximum of eight PV strings and has four MPPT
circuits inside. Each MPPT circuit tracks the maximum power point of two PV
strings. The SUN2000 converts DC power into single-phase AC power through an
inverter circuit. Surge protection is supported on both the DC and AC sides.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 2 Overview
Issue 18 (2024-03-10) Copyright © Huawei Technologies Co., Ltd. 19