Sungrow SG33CX User Manual

VI
5.9.3 Connection Procedure ............................................................. 46
5.10 Dry Contact Connection .......................................................... 50
5.10.1 Dry Contact Function ............................................................. 50
5.10.2 Wiring Procedure ................................................................... 53
5.11 Communication Module Connection (optional) ........................ 53
6 Commission .......................................................................54
6.1 Inspection before Commissioning ........................................... 54
6.2 Commissioning Procedure ...................................................... 54
7 iSolarCloud APP ................................................................55
7.1 Brief Introduction ..................................................................... 55
7.2 Download and Install ............................................................... 55
7.3 Menu ....................................................................................... 56
7.4 Login ....................................................................................... 56
7.4.1 Requirements .......................................................................... 56
7.4.2 Login Steps ............................................................................. 57
7.5 Home page .............................................................................. 58
7.6 Running Information ................................................................ 60
7.7 History Record......................................................................... 62
7.7.1 Fault Alarm Records ................................................................ 62
7.7.2 Power Yields Records ............................................................. 63
7.7.3 Event Records ......................................................................... 64
7.8 More ........................................................................................ 64
7.8.1 Parameter Setting ................................................................... 65
7.8.2 Password Changing ................................................................ 65
8 System Decommissioning ...............................................66
8.1 Disconnecting the Inverter ....................................................... 66
8.2 Dismantling the Inverter .......................................................... 66
8.3 Disposal of the Inverter ........................................................... 67
9 Troubleshooting and Maintenance ..................................68
9.1 Troubleshooting ....................................................................... 68
9.2 Maintenance ............................................................................ 77
9.2.1 Routine Maintenance .............................................................. 78

Sungrow SG33CX Specifications

General

Model	SG33CX
Manufacturer	Sungrow
Rated Power	33 kW
Max DC Voltage	1100 V
Max Efficiency	98.7%
Start Voltage	200 V
Total Harmonic Distortion	< 3%
Power Factor at Rated Power	1
DC Connection Type	MC4
Allowable Relative Humidity Range	0 - 100%
Operating Altitude	4000 m
MPPT Voltage Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V
Rated Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Operating Ambient Temperature Range	-25 °C ... +60 °C
Communication	RS485