Sungrow SH5K-20 Owner's manual

SH5K-20-QUEN-Ver19-202007 Version：1.9
Quick User Manual
SH5K-20
Grid-Connected Hybrid Inverter

I
All Rights Reserved
No part of this document can be reproduced in any form or by any means
without the prior written permission of Sungrow Power Supply Co., Ltd
(hereinafter “SUNGROW”).
Trademarks
and other Sungrow trademarks used in this manual are
owned by Sungrow Power Supply Co., Ltd.
All other trademarks or registered trademarks mentioned in this document are
owned by their respective owners.
Software Licenses
It is prohibited to use data contained in firmware or software developed by
SUNGROW, in part or in full, for commercial purposes by any means.
It is prohibited to perform reverse engineering, cracking, or any other operations
that compromise the original program design of the software developed by
SUNGROW.
Sungrow Power Supply Co., Ltd.
Address: No.1699 Xiyou Rd., New & High Tech Zone, Hefei, 230088, China.
Email: [e-mail]
Tel: [phone]
Website: www.sungrowpower.com

II
System Overview
Sungrow/LG/GCL/Pylon (US2000B)/BlueSun/BYD Li-ion Battery
Fuse (optional)
L
A
PV1 PV2
B
LN
N PE
PE bar Neutral bar Home appliance
Main Switch Solar
switch
SUNGROW meter
Utility Grid
Copper A2 B2
1-phase sensor
Li-ion
battery
SH5K-20
CANH CANL
BAT_Com.
E-N link
※The E-N link connection only applies to Australia and New Zealand. Installation of the copper is required in case of parallel PV input.

III
Copper
Emergency Power Supply (EPS)
Fuse (optional)
BAT_Com.
SH5K-20
L
A
PV1 PV2
B
LN
N PE
PE bar Neutral bar Home appliance
Main Switch
Utility Grid
A2 B2
1-phase sensor
Li-ion
battery
Emergency loads STB5K-20
DI cable
Control cable
VDD
DI3
DI2
DI1
C1 C2
E-N link
※The E-N link connection only applies to Australia and New Zealand. Installation of the copper is required in case of parallel PV input.
The neutral lines for the grid, the EPS and the inverter AC terminals are all inter-connected inside the STB5K-20. And it is the same for the PE lines.

IV
Copper
Fuse (optional)
BAT_Com.
SH5K-20
L
PV1 PV2
LN
N PE
PE bar Neutral bar Home appliance
Main Switch
Utility Grid
A2 B2
1-phase sensor
Li-ion
battery
Emergency loads
STB5K-20
DI cable
Control cable
A B
PV
inverter
Retrofitting the existing PV system
VDD
DI3
DI2
DI1
C1 C2
E-N link
※The E-N link connection only applies to Australia and New Zealand. Installation of the copper is required in case of parallel PV input.
The neutral lines for the grid, the EPS and the inverter AC terminals are all inter-connected inside the STB5K-20. And it is the same for the PE lines.

V
Contents
System Overview.......................................................................II
1Safety....................................................................................1
1.1 PV Panels .................................................................................1
1.2 Utility Grid..................................................................................1
1.3 Inverter......................................................................................2
1.4 Battery.......................................................................................4
2Installation............................................................................5
2.1 Location Requirements .............................................................5
2.2 Installing the Inverter.................................................................6
2.3 Installing the Energy Meter........................................................8
3Electrical Connection .........................................................9
3.1 Terminal Description..................................................................9
3.2 Additional Grounding Connection............................................ 11
3.3 AC Cable Connection..............................................................12
3.4 DC Cable Connection..............................................................13
3.5 Communication Connection ....................................................14
3.6 Energy Meter Connection........................................................16
3.7 Battery Connection..................................................................20
3.8 STB5K-20 Connection (EPS)..................................................22
3.9 DO Connection........................................................................24
3.10 DRED Connection...................................................................25
3.11 Retrofitting the Existing PV System.........................................26
4Commissioning .................................................................28
4.1 Button Function.......................................................................28
4.2 Powering on the System .........................................................29
4.3 LCD Initial Settings..................................................................29
4.4 Result Verification....................................................................34

VI
5LCD Operation...................................................................38
5.1 Main Screen.............................................................................38
5.2 Viewing the Error Codes..........................................................39
5.3 LCD Menu................................................................................40
5.4 Setting the Country..................................................................41
5.5 Setting the Protective Parameters ...........................................43
5.6 Setting the Communication Parameters ..................................44
5.7 Setting the Battery Type...........................................................44
6Troubleshooting................................................................46
6.1 Troubleshooting of LED Indicators...........................................46
6.2 Troubleshooting of the Errors...................................................46
7Appendices........................................................................55
7.1 Inverter Technical Data............................................................55
7.2 STB5K-20 (backup box) Technical Data ..................................57
7.3 Meter Technical Data...............................................................57
7.4 Quality Assurance....................................................................58

1
1 Safety
The inverter has been designed and tested strictly according to international
safety regulations. Read all safety instructions carefully prior to any work and
observe them at all times when working on or with the inverter.
Incorrect operation or work may cause:
injury or death to the operator or a third party; or
damage to the inverter and other properties.
All detailed work-related safety warnings and notes will be specified at critical
points in this manual.
The safety instructions in this manual cannot cover all the
precautions that should be followed. Perform operations
considering actual onsite conditions.
SUNGROW shall not be held liable for any damage caused by
violation of the safety instructions in this manual.
1.1 PV Panels
PV strings will produce electrical power when exposed to sunlight and can
cause a lethal voltage and an electric shock.
Always keep in mind that the inverter is multiple power supplied.
Electrical operators must wear proper personal protective
equipment: helmet, insulated footwear, gloves, etc.
Before touching the DC cables, operator must use a measuring device to
ensure that the cable is voltage-free.
The operator must follow all warnings on the PV strings and in its manual.
1.2 Utility Grid
Follow the regulations related to the utility grid.

1 Safety Quick User Manual
2
All electrical connections must be in accordance with local and
national standards.
Only with the permission of the local utility grid company, the inverter
can be connected to the utility grid.
1.3 Inverter
Danger to life from electric shocks due to live voltage
Do not open the enclosure at any time. Unauthorized opening will void
warranty and warranty claims and in most cases terminate the
operating license.
Risk of inverter damage or personal injury
Do not disconnecting PV connectors, AC connector or battery
connectors while the inverter is running.
De-energize from all power sources. Wait at least 10 minutes for the
internal capacitors to discharge.
Ensure that there is no voltage or current before disconnecting any
connectors.
All safety instructions, warning labels, and nameplate on the inverter:
Must be clearly legible.
Should not be removed or covered.
Risk of burns due to hot components
Do not touch any hot parts (such as the heat sinks) during operation.
Only the LCD panel and the DC switch can safely be touched at any
time.