KEHUA TECH SPH3600-BL User manual

PV Energy Storage Converter
SPH3600-BL_SPH5000-BL
User Manual

All rights reserved ©Kehua Data Co., Ltd.
i
Copyright © Kehua Data Co., Ltd. 2021.All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Kehua Data Co., Ltd.
Trademarks and Permissions
and other Kehua trademarks are trademarks of Kehua Data Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Kehua and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specification in the contract, all
statements, information, and recommendations in this document are provided “AS IS”without warranties,
guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
KEHUA DATA CO.,LTD.
Address:
No.457,MalongRoad,TorchHigh-TechIndustrialZone,Xiamen,Fujian,China
Website:
www.kehua.com
E-mail:
[email protected]
Customer Service Telephone:
400-808-9986
Tel:
0592-5160516
Fax:
0592-5162166

Foreword
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
ii
All rights reserved ©Kehua Data Co., Ltd.
Foreword
Summaries
Thank you for choosing PV energy storage converter (hereinafter referred to as the “converter”)
product!
This document provides a description of the converter, including the features, performance,
appearance, structure, working principles, installation, operation and maintenance, etc.
Please save the manual after reading, in order to consult in the future.
Symbol Conventions
The manual quotes the safety symbols, these symbols used to prompt users to comply with safety
matters during installation, operation and maintenance. Safety symbol meaning as follows.
Symbol
Description
Alerts you to a high risk hazard that could, if not avoided, result in
serious injury or death.
Alerts you to a medium or low risk hazard that could, if not avoided,
result in moderate or minor injury.
Alerts you to a potentially hazardous situation that could, if not
avoided, result in equipment damage, data loss, performance
deterioration, or unanticipated results.
Anti-static prompting.
Be care electric shock prompting.
Provides a tip that may help you solve a problem or save time.
Provides additional information to emphasize or supplement
important points in the main text.
Product standard:NB/T 32004-2013

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
Contents
All rights reserved ©Kehua Data Co., Ltd.
iii
Contents
1 Safety Description.........................................................................................................................1
1.1 Safety Announcements.....................................................................................................................................1
1.1.1 Safety Instructions ..................................................................................................................................1
1.1.2 Device Label Illustartion.........................................................................................................................3
1.1.3 PV Array Protection................................................................................................................................4
1.1.4 ESDProtection.........................................................................................................................................5
1.1.5 Grounding Requirements........................................................................................................................5
1.1.6 Moistureproof Protection........................................................................................................................5
1.1.7 Warning Mark Setting.............................................................................................................................6
1.1.8 Electrical Connection..............................................................................................................................6
1.1.9 Measurement Under Operation...............................................................................................................7
1.2 Operation Requirements...................................................................................................................................7
1.3 Operation Environment Requirements.............................................................................................................8
2 Overview.........................................................................................................................................9
2.1 Product Intro.....................................................................................................................................................9
2.1.1 Exterior View..........................................................................................................................................9
2.1.2 Display Panel........................................................................................................................................10
2.2 Operating mode..............................................................................................................................................12
2.3 Application.....................................................................................................................................................16
3 Installation....................................................................................................................................18
3.1 Unpacking and Checking...............................................................................................................................18
3.2 Installation Preparation ..................................................................................................................................19
3.2.1 Installation Environment Requirements................................................................................................19
3.2.2 Installation Clearance............................................................................................................................19

Contents
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
iv
All rights reserved ©Kehua Data Co., Ltd.
3.3 Installation Procedures...................................................................................................................................19
4 Electrical Connection..................................................................................................................24
4.1 Operating Principle ........................................................................................................................................24
4.2 Connection Symbol........................................................................................................................................24
4.3 Grounding ......................................................................................................................................................26
4.4 AC Output Wiring ..........................................................................................................................................27
4.5 PV Input Wiring.............................................................................................................................................30
4.6 Battery Wiring................................................................................................................................................33
4.7 COM. Communication Connection................................................................................................................34
4.8 WIFI/GPRS Connection.................................................................................................................................36
5 Operation Instruction.................................................................................................................38
5.1 Opearaion Announcements ............................................................................................................................38
5.2 Turn on the Converter ....................................................................................................................................38
5.3 Turn off the Converter....................................................................................................................................38
5.4 Monitoring Setting .........................................................................................................................................39
5.5 Parameter Setting ...........................................................................................................................................39
5.5.1 Grid Related Setting..............................................................................................................................39
5.5.2 Battery Related Setting .........................................................................................................................39
5.5.3 Basic Parameter Setting........................................................................................................................40
5.5.4 Dispatch Related Setting.......................................................................................................................40
5.5.5 System Setting ......................................................................................................................................45
5.5.6 Charge and Discharge Setting...............................................................................................................45
5.6 Standard Type Query......................................................................................................................................45
5.7 Self Detection Query......................................................................................................................................46
6 Maintenance and Troubleshooting .........................................................................................47
6.1 Maintenance...................................................................................................................................................47
6.2 Troubleshooting..............................................................................................................................................47
7 Package, Transportation, Storage.............................................................................................52
7.1 Package ..........................................................................................................................................................52

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
Contents
All rights reserved ©Kehua Data Co., Ltd.
v
7.2 Transportation ................................................................................................................................................52
7.3 Storage ...........................................................................................................................................................52
A Technical Specifications...........................................................................................................53
B Acronyms and Abbreviations ..................................................................................................58

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
1Safety Description
All rights reserved ©Kehua Data Co., Ltd.
1
1 Safety Description
This chapter mainly describes safety description. Prior to performing any work on device, please read
user manual carefully, follow operation and installation instructions and observe all danger, warning
and safety information, which is to avoid human injury and device damage by irregular operations.
1.1 Safety Announcements
This section mainly describes safety announcements during operation and maintenance. For details,
please refer to safety instructions in the relevant chapters.
Before attempting to operate device, please read safety announcements and operation instructions in
this section carefully to avoid accident.
The promptings in the user manual, such as "Danger", "Warning", "Caution", etc. don't include all
safety announcements. They are just only the supplement of safety announcements during operation.
Any device damage caused by violating the general safety operation requirements or safety standards
of design, production, and usage will be out of Kehua's warranty range.
1.1.1 Safety Instructions
Multi-channel power supplies power for the converter. Be careful of electric shock!

1Safety Description
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
2
All rights reserved ©Kehua Data Co., Ltd.
Don't touch terminals or conductors connected with grid to avoid lethal risk！
There is no operational part inside device. Don't open the crust of device, or it may cause electric
shock. Device damage caused by illegal operation is out of the guarantee range.
Device damage or device failure may cause electric shock or fire!
Before attempting to operate device, check that there is no damage or other potential danger in
the device visually.
Check that other external devices or circuit connection is safe.
Before checking or maintenance, it must switch off each route of switch connected with device and
wait for 5 minutes to ensure that device is completely discharged, and then the operation can be
performed.
In case of fire, please use dry power fire extinguisher. If using liquid fire extinguisher, it may cause
electric shock.

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
1Safety Description
All rights reserved ©Kehua Data Co., Ltd.
3
No liquid or other objects are allowed to enter device.
Danger of High Temperature
The surface temperature of device may reach to 60℃. During running, don't touch the surface to
avoid scald.
1.1.2 Device Label Illustartion
The labels on the device contain important information about safety operation. Don't tear them up or
damage them!
Pay attention to labels on the device. The label illustration is as shown in Table1-1.
Table1-1 The illustration of device label
Label
Illustration
Pass CE authentication.
Pass TUV authentication.
Pass SAA authentication.
Don't dispose with general garbage. Recycle them by special
method.
Read user manual when using device.

1Safety Description
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
4
All rights reserved ©Kehua Data Co., Ltd.
Label
Illustration
Wait for 5 minutes to discharge completely after powering
device off.
Hot surface. Don't touch!
High leakage current, earth connection essential before
connecting supply.
Multi-channel power supplies power for the converter. Be
careful of electric shock.
External grounding label.
Serial number barcode. The meaning(e.g. S/N:
500012000065D7400054) is as shown in Figure1-1.
500120100065D7400054
Device number
Year
Serial umber
Item
Month
Production team
S/N:
Figure1-1 The meaning of serial number barcode
1.1.3 PV Array Protection
When installing PV array in daytime, it necessary to cover PV array by light-proof material, or the
PV array will generate high voltage under sunshine. If touching PV array accidently, it may cause
electric shock or human injury!

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
1Safety Description
All rights reserved ©Kehua Data Co., Ltd.
5
There exists dangerous voltage between the positive and negative of PV array!
When installing device, it must disconnect the converter with PV array completely. Set warning mark
here to avoid reconnecting.
1.1.4 ESDProtection
To prevent human electrostatic damaging sensitive components (such as circuit board), make sure
that you wear a anti-static wrist strap before touching sensitive components, and the other end is well
grounded.
1.1.5 Grounding Requirements
High leakage risk! Device must be grounded before performing electrical connection. The grounding
terminal must be connected to ground.
When installing device, it must be grounded first. When dismantling device, the grounding wire
must be removed at last;
Don't damage the grounding conductor;
Device should be connected to the protection earth permanently. Before operation, it should
check the electrical connection to ensure the device is grounded reliably.
1.1.6 Moistureproof Protection
Moisture invasion may cause device damage!

1Safety Description
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
6
All rights reserved ©Kehua Data Co., Ltd.
Observe the following items to ensure that device works normally.
When the air humidity is more than 95%, don't open the door of the converter.
In the wet or damp weather, don't open device perform maintenance or repair.
1.1.7 Warning Mark Setting
In order to avoid accident for unwanted person gets close to the converter or makes improper
operation, it should observe the following requirements when performing installation, daily
maintenance or repair.
Set warning marks where the switches are to avoid turning them on improperly.
Set warning signs or safety warning belt in the operation area, which is to avoid human injury or
device damage.
1.1.8 Electrical Connection
Electrical connection must be performed according to description in the user manual and the
electrical circuit schematic.
When the converter is working, don't dismantle electrical connection.
The configuration of PV array, grid level, grid frequency, etc. must meet the technical requirements
of device.
Grid-tied generation should be allowed by the local power supply department and the related
operation should be performed by professionals.
All electrical connection must meet the related country and district standard.
Don't touch or replace components except terminals.

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
1Safety Description
All rights reserved ©Kehua Data Co., Ltd.
7
1.1.9 Measurement Under Operation
There exists high voltage in the device. If touching device accidently, it may cause electric shock. So,
when performing measurement under operation, it must take protection measure(such as wear
insulated gloves, etc.)
The measuring device must meet the following requirements:
The range and operation requirements of measuring device meets the site requirements;
The connections for measuring device should be correct and standard to avoid arcing.
1.2 Operation Requirements
The operation and wiring for device should be performed by qualified person, which is to ensure that
the electrical connection meets the related standards.
Don't perform maintenance until disconnecting AC gird, AC load, DC input and battery input with
the converter and wait for 5 minutes to discharge completely.
Before attempting to install, operate and maintain device, the operator must understand the safety
announcements, know correct operations and be trained strictly.
Operator should know the structure and working principle of PV grid-tied generation system
well.
Operator must be familiar with the related country and district standard.

1Safety Description
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
8
All rights reserved ©Kehua Data Co., Ltd.
1.3 Operation Environment Requirements
The operation environment may influence the life span and reliability of device. So, please avoid to
use device in following environment:
The place where temperature and humidity beyond the technical specifications.
The place with vibration or impact.

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
2Overview
All rights reserved ©Kehua Data Co., Ltd.
9
2 Overview
This chapter introduces the converter intro and its operating mode.
2.1 Product Intro
SPH-BL(3600-5000) series converter is PV energy storage converter, which mainly applies for
household energy storage system, as shown in Figure2-1.
The household energy storage and management system consists of the converter, PV array, batteries,
grid, and smart meter (optional), which allows customers to reduce their dependence on grid and
even become energy self-sufficient. The system can achieve an optimal match between the PV
generation, loads and grid and at the same time guarantee the stability of the grid. Moreover, the
system can provide back-up power for important household appliances in case of a power outage.
Figure2-1 PV energy storage system
2.1.1 Exterior View
The exterior view of SPH-BL (3600-5000) series converter is as shown in Figure2-2.

2Overview
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
10
All rights reserved ©Kehua Data Co., Ltd.
Figure2-2 Exterior view
2.1.2 Display Panel
The display panel of SPH-BL(3600-5000) series converter is as shown in Figure2-3.
Figure2-3 Display panel
Table2-1 The illustration of display panel
No.
Mark
Meaning
Illustration
○
1
BATT.
Battery status
Green indicator is on, which means battery is
discharging.
Green indicator is cycle on 1s off 1s, which means
battery is charging.
Green indicator is off, which means battery stops
charging and discharging.

PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
2Overview
All rights reserved ©Kehua Data Co., Ltd.
11
No.
Mark
Meaning
Illustration
○
2
PV
PV status
Green indicator is on, which means two routes of PV
work normally.
Green indicator is cycle on 0.5s off 0.5s, which means
one route of PV works normally.
Green indicator is off, which means PV stops
working.
○
3
GRID
Grid-tied status
Green indicator is on, which means the converter
performs grid-tied generation.
Green indicator is cycle on 0.5s off 0.5s, which means
the converter performs off-grid generation.
Green indicator is off, which means the converter
doesn't perform grid-tied or off-grid generation.
○
4
COM.
Communication
status
Green indicator is cycle on 0.5s off 0.5s, which means
the converter communicates with PC or WIFI/GPRS.
Green indicator is off, which means the converter
doesn't communicate with PC or WIFI/GPRS.
○
5
RUN
Running status
Green indicator is on, which means the converter
works normally.
Green indicator is cycle on 0.2s off 0.2s, which means
the converter is on the prestart status.
Green indicator is cycle 0.2s off 1.8s, which means
the converter is on the standby status.
Green indicator is off, which means the converter
doesn't power on or has been turned off.
○
6
FAULT
Fault status
Red indicator is on, which means the converter
failure.
Red indicator is cycle on 1s off 1s, which means the
converter has an alarm.
Red indicator is off, which means the converter works
normally.

2Overview
PV Energy Storage Converter SPH3600-BL_SPH5000-BL
User Manual
12
All rights reserved ©Kehua Data Co., Ltd.
2.2 Operating mode
The converter status can transfer automatically between grid-tied and off-grid mode according to grid
status. In the grid-tied status, there are four operating modes: self-consumption priority, battery
storage priority, peak shaving and energy shift scheduling. When grid is abnormal or failure, the
converter will work in the off-gird emergency mode.
Self-consumption priority
When the energy generated by PV array is sufficient, PV array will supply power for load in advance,
the remaining energy will charge battery. If there still has remaining energy, it will be supplied for
grid-connection generation. When the energy generated by PV array is insufficient, PV array and
battery will supply power for load in advance, as shown in Figure2-4.
Figure2-4 Self-consumption priority
Battery storage priority
If battery doesn't charge fully, PV array and grid will charge battery fully in advance to meet the
emergency power requirements of key loads. When the energy generated by PV array is sufficient
(more than charging energy), it will charge battery in advance, the remaining energy will be supplied
for load. If there still has remaining energy, it will be supplied for grid-connection generation, as
shown in Figure2-5.