Sungrow SG20RT User Manual

12
Symbol Explanation
Danger to life due to high voltages!
Do not touch live parts for 10 minutes after disconnection from
the power sources.
Only qualified personnel can open and maintain the inverter.
External protective grounding terminal.
* The table shown here is for reference only. The actual product received may differ.
2.4 LED Indicator
The LED indicator on the front of the inverter indicates the working state of the inverter.
table 2-1 LED Indicator State Description
LED Color State Definition
Blue
On
The inverter is operating normally.
Blink
The inverter is at standby or startup state (not
feeding power into the grid).
Red
On
A system fault has occured.
Gray
Off
Both the AC and DC sides are powered down.
Voltage may still be present in AC side circuits after the indicator is off. Pay atten-
tion to the electricity safety when operating.
2.5 Circuit Diagram
The following figure shows the main circuit of the inverter.
2 Product Description User Manual

Sungrow SG20RT Specifications

General

Model	SG20RT
Category	Inverter
Max. DC Voltage	1100 V
Rated AC Power Output	20 kW
Max. Efficiency	98.6%
Max. DC Input Power	30 kW
Max. Input Voltage	1100 V
Start Voltage	200 V
Number of MPPTs	2
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	22 kVA
Rated Grid Frequency	50 Hz / 60 Hz
Max. Output Current	32 A
Power Factor at Rated Power	>0.99
THDi	<3%
DC Switch	Yes
Protection Class	IP65
Cooling Method	Natural Convection
Protection Degree	IP65
Protection Level	IP65
MPPT Voltage Range	200 V - 1000 V
Operating Temperature Range	-25°C to +60°C
Input Voltage Range	200 V - 1000 V
MPPT Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V