Huawei SUN2000-50KTL-ZHM3 User Manual

5.7.1 Communication Modes................................................................................................................................................... 51
5.7.2 (Optional) Connecting the RS485 Communications Cable to the SUN2000............................................... 53
5.7.3 (Optional) Connecting the RS485 Communications Cable to the Power Meter.........................................54
5.7.4 (Optional) Connecting the Power Grid Scheduling Signal Cable..................................................................... 55
5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable................................................................................. 56
6 Commissioning.......................................................................................................................58
6.1 Checking Before Power-On................................................................................................................................................58
6.2 System Power-On................................................................................................................................................................. 59
7 Man-Machine Interaction....................................................................................................61
7.1 Scenario in Which SUN2000s Are Connected to the FusionSolar Smart PV Management System.........62
7.1.1 (Optional) Registering an Installer Account............................................................................................................ 62
7.1.2 Creating a PV Plant and a User.................................................................................................................................... 63
7.1.3 SmartLogger Networking Scenario............................................................................................................................. 63
7.2 Scenario in Which SUN2000s Are Connected to Other Management Systems..............................................64
7.3 Energy Control....................................................................................................................................................................... 64
7.3.1 Grid-tied Point Control.................................................................................................................................................... 64
7.3.2 Apparent Power Control on the Inverter Output Side..........................................................................................69
8 Maintenance...........................................................................................................................70
8.1 System
Power-O.................................................................................................................................................................70
8.2 Routine Maintenance.......................................................................................................................................................... 71
8.3 Troubleshooting..................................................................................................................................................................... 72
8.4 Replacing a Fan..................................................................................................................................................................... 83
9 Handling the Inverter...........................................................................................................86
9.1 Removing the SUN2000..................................................................................................................................................... 86
9.2 Packing the SUN2000..........................................................................................................................................................86
9.3 Disposing of the SUN2000................................................................................................................................................ 86
10 Technical
Specications.....................................................................................................87
A Grid Codes...............................................................................................................................96
B Device Commissioning....................................................................................................... 101
C Built-in PID Recovery......................................................................................................... 104
D Resetting Password............................................................................................................ 105
E Setting Dry Contact Scheduling Parameters................................................................ 106
F AFCI.........................................................................................................................................107
G Rapid Shutdown..................................................................................................................109
H NS Protection...................................................................................................................... 110
I Smart I-V Curve Diagnosis................................................................................................. 111
J Locating Insulation Resistance Faults.............................................................................112
SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual Contents
Issue 05 (2023-02-28) Copyright © Huawei Technologies Co., Ltd. vi

Huawei SUN2000-50KTL-ZHM3 Specifications

General

Brand	Huawei
Model	SUN2000-50KTL-ZHM3
Category	Inverter
Language	English