GMDE GBESS 2.4 4.8KWH User manual

–GBESS 2.4_4.8KWH
Next generation battery inverter and system solution
User Manual
Version 1.1

GBESS 2.4_4.8KWH system user manual
Global Mainstream Dynamic Energy Technology Ltd.
Content
1. Safety.................................................................................................................... 1
1.1 How to Use This Manual.................................................................................................. 1
1.2 Safety Rules ..................................................................................................................... 1
1.3 Warning Notices Affixed to the Device ........................................................................... 2
1.4 Important Safety Information ......................................................................................... 2
1.5 Disposal ........................................................................................................................... 4
1.6 Exclusion of Liability ........................................................................................................ 4
2．Description.......................................................................................................... 5
2.1 General System Description ............................................................................................ 5
2.2 System Connection.......................................................................................................... 6
3. System installation ................................................................................................ 7
3.1 Unpacking the Device...................................................................................................... 7
3.1.1 Before Unpacking ..................................................................................................... 7
3.1.2 Mounting .................................................................................................................. 8
3.1.3 Packing List ............................................................................................................. 10
3.2 Mounting ....................................................................................................................... 13
3.2.1 SolDate 3100 / 3700TL and BM024 Installation..................................................... 13
3.2.2 Mounting Battery Cabinet...................................................................................... 14
3.2.3 Mounting Energy Meter ......................................................................................... 18
3.3 System Connection........................................................................................................ 20
3.3.1 How to Make Power Connecting Line .................................................................... 21
3.3.2 RS485 Communication Line.................................................................................... 22
3.3.3 System Connection................................................................................................. 22
3.3.4 9.6kWhSystem Connection .................................................................................... 24
4. System Settings ................................................................................................... 26
4.1 LCD................................................................................................................................. 26
4.1.1 LCD Interface .......................................................................................................... 26
4.1.2 LCD Indication Lights .............................................................................................. 26

GBESS 2.4_4.8KWH system user manual
Global Mainstream Dynamic Energy Technology Ltd.
4.1.3 LCD Display Definition ............................................................................................ 27
4.1.4 LCD Display Menu Definition.................................................................................. 27
4.1.5 LCD Setting Menu................................................................................................... 28
4.2 Wi-Fi............................................................................................................................... 40
4.2.1 Wi-Fi Function......................................................................................................... 40
4.2.2 Wi-Fi Configuration ................................................................................................ 40
5 System Operation................................................................................................. 44
5.1 System Settings ............................................................................................................. 44
5.2 System Starting.............................................................................................................. 44
5.3 System Operating Instructions ...................................................................................... 45
5.3.1 On-grid Operation .................................................................................................. 45
5.3.2 Off-grid Operation .................................................................................................. 45
5.4 System Maintenance..................................................................................................... 45
6 Troubleshooting ................................................................................................... 46
6.1 Safety during Troubleshooting ...................................................................................... 46
6.2 Faults ............................................................................................................................. 46
6.3 Fault Messages and Actions List.................................................................................... 46
6.4 Fault Acknowledgement................................................................................................ 49
6.5 Technical Service ........................................................................................................... 49

GBESS 2.4_4.8KWH system user manual
Global Mainstream Dynamic Energy Technology Ltd.
Prelude
Published by
Legal Disclaimer
Copyright
Global Mainstream Dynamic Energy Technology Ltd. (GMDE)
Room 604-605, Tongpu Road No.1220, Putuo District, Shanghai,
P.R.China.
Tel: [phone] Fax: [phone]
www.global-mde.com
All information in this documentation has been compiled and checked
with most care. Despite of this, faults or deviations cannot be
completely excluded. We assume no liability and are hereby
acknowledged.
The relevant up-to-date version can be obtained from
www.global-mde.com
The details of this documentation are the property of GMDE.
Using and publicizing this documentation, even if only in parts require
the written consent of GMDE.

GBESS 2.4_4.8KWH system user manual
Read this user manual before you start
Thank you for purchasing our products, this hybrid solution is highly reliable and efficient. This GBESS
2.4_4.8KWH system device is IP20 which is rated for dusty or humid environments and is only suitable
for indoor installation.
If you are reading the electronic version of the manual, please note that you can click the content to
find information you want quickly. All the characters with underline are clickable. A phrase named
‘Back to Top’at the bottom of each chapter can help you go back to the first page quickly.
Before using this device, please ensure that you have read this manual including installation and safety
operation carefully.
If you have any difficulties during installation or operation, please refer to this manual or send email to
[e-mail],we will help to solve your problems as soon as possible.

GBESS 2.4_4.8KWH system user manual
1
1. Safety
1.1 How to Use This Manual
Please read the safety instructions in this manual first. Throughout the manual it is assumed that the
reader is familiar with AC and DC installations and knows the rules and regulations for electrical
equipment and for connecting it to the utility AC grid. It is especially important to be familiar with the
general safety rules for working with electrical equipment.
This manual is intended for qualified electricians.
1.2 Safety Rules
General introduction
These safety-related guidelines use the following warning notices to describe the various levels of
danger:
Death or severe personal injury will occur.
DANGER
Death or severe personal injury may occur.
WARNING
Personal injury or material damage may occur.
CAUTION
Explanations
Electric Shock!
Do not open the device! Dangerous voltage may still be applied inside the
device even after it has been switched off.
ELECTRIC SHOCK!

GBESS 2.4_4.8KWH system user manual
2
High leakage current!
Make absolutely sure you establish connection to ground before connecting
the device to the supply circuit!
WARNING
Health risk!
Health risk for persons with cardiac pacemakers, metallic implants or hearing
aids in the immediate vicinity of electrical equipment!
WARNING
Risk of improper handling!
Personal injury by crushing, shearing, cutting or striking.
CAUTION
Cancellation of the operating license!
If the GMDE inverter is operated with a wrong country code, the electric
supply company may cancel the operating license.
CAUTION
Hot surface!
Surfaces of the housing can be hot! Risk of injury! Risk of burns.
The housing top and the heat sinks may have a surface temperature of 70°C .
HOT SURFACE!
1.3 Warning Notices Affixed to the Device
1.4 Important Safety Information
The following operating and maintenance instructions must be read before installing, operating or
maintaining the inverter.
Before installation:

GBESS 2.4_4.8KWH system user manual
3
Check for damage on the device and package. If you are in doubt, please contact us or the distributor
before installing the device.
Before connecting the solar modules or battery packs with the product, please check the voltages and
make sure they are within the limits of the GMDE inverter specifications. Failure to observe these
specifications could void your warranty.
Installation:
Only trained and qualified personnel familiar with local electrical codes may work with the electrical
installations. For optimum safety, please follow the steps described in this manual.
Disconnecting the product:
Please refer to “Disconnecting for maintenance” in Section 5.4 System Maintenance. Note that, after
disconnecting the inverter from AC grid and battery packs, wait at least 15 minutes before proceeding.
Operating the product:
Do not commission the device until the whole system complies with the application-specific national
rules and safety regulations.
The ambient conditions given in the product documentation must be observed.
The device manufacturer or installer is responsible for compliance with the limit values as prescribed
in the national regulations.
Only persons who are trained and qualified for the use and operation of this device may work on the
device.
Maintenance and modification:
Only authorized personnel are allowed to repair or modify the inverter. To ensure optimum safety for
user and environment, only the original spare parts available from your supplier should be used.
Functional safety parameters:
Unauthorized changes of functional safety parameters may cause injury or accidents to people or
inverter. Additionally it will lead to the cancellation of all inverter operating approval certificates.

GBESS 2.4_4.8KWH system user manual
4
1.5 Disposal
Please dispose the package and replaced parts according to the rules applicable
in the country where the device is installed. Do not dispose the GMDE inverter
with normal domestic waste.
1.6 Exclusion of Liability
GMDE Technology Ltd. will not be liable for any direct, indirect or consequential damages, losses,
costs or losses including without restriction any economic losses of any kind, any loss or damage to
property, any personal injury, any damage or injury arising from or as a result of misuse or abuse, or
the incorrect installation, integration or operation of the product. We disclaim any liability for direct or
indirect damages due to:
1. Improper installation or commissioning,
2. Modifications, alterations or repair attempts,
3. Inappropriate use or operation,
4. Insufficient ventilation of the device,
5. Non-compliance with relevant safety standards or regulations,
6. Flood, lightning, overvoltage, storm, fire (acts of nature).
We do not assume any liability for an incorrectly set country code.
We reserve the right to make alterations that will improve the function of the device.
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GBESS 2.4_4.8KWH system user manual
5
2．Description
2.1 General System Description
GBESS 2.4_4.8KWH system is designed for the existing solar system to have storage function.
Battery
Pack
S
E
T
SingleEnergy Meter
LN
L
’
N
’
5 6 7
8
S
E
T
SingleEnergy Meter
LN
L
’
N
’
5 6 7
8
Figure 1 GBESS 2.4_4.8KWH System
The system includes four modules: Soldate 3100/3700 TL, BM024 battery manager, lithium battery
packs and energy meter.
A
B
C
D
Figure 2 Main System Components
1) SolDate3100/3700TL inverter
The inverter converts the DC power from BM024 into AC power. The electricity from battery is used by
the household loads or fed into the grid.
2) BM024 battery manager
In connection with the SolDate3100/3700TL via DC bus line, BM024 battery manager charges /
discharges the battery packs according to commands from integrated energy management unit.
3) Battery packs