Dyness Tower ESS User manual

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User Manual
Tower ESS

Tower ESS Unit User Manual
I
Content
Statement of Law ............................................................................................................. 1
Safety handling of lithium batteries Guide .................................................................... 2
1 Introduction ................................................................................................................ 4
1.1 Brief Introduction ............................................................................................................ 4
1.2 Product Properties ........................................................................................................... 4
1.3 Product identity definition .............................................................................................. 4
2 Product Specification ................................................................................................. 6
2.1 System Performance Parameter .................................................................................. 6
2.2 Battery Module ................................................................................................................ 8
2.3 Battery Controller ............................................................................................................. 11
3 Installation and Configuration ................................................................................ 14
3.1 Environmental Requirement ...................................................................................... 14
3.2 Installation clearance requirements ............................................................................ 14
3.3 Tools ............................................................................................................................... 15
3.4 Safety Gear ........................................................................................................................ 16
3.5 Unpacking inspection .................................................................................................... 16
3.6 Equipment installation .................................................................................................. 17
4 Maintenance ............................................................................................................. 23
4.1 Trouble Shooting: .............................................................................................................. 23
4.2 Replacement of main component ................................................................................ 24
4.3 Battery Maintenance ........................................................................................................ 24
5 Storage Recommendations ........................................................................................ 25
6 Shipment ...................................................................................................................... 25

Tower ESS Unit User Manual
1
Statement of Law
Copyright of this document belongs to Daqin New Energy Tech (Taizhou) Co., Ltd.
No part of this documentation maybe excerpted, reproduced, translated,
annotated or duplicated in any form or by any means without the prior
written authorization of Daqin New Energy Tech (Taizhou) Co., Ltd. All Rights Reserved.
This product complies with the design requirements of environmental protection and personal
safety. The storage, use and disposal of the products shall be carried out in accordance with the
product manual, relevant contract or relevant laws and regulations.
Customer can check the related information on the website of Jiangsu Daqin New Energy Tech
(Taizhou) Co., Ltd. when the product or technology is updated.
Web URL：http://www.dyness-tech.com.cn/
Please note that the product can be modified without prior notification.
Revision History
Revision NO.
Revision Date
Revision Reason
1.0
2019.09.11
First Published
2.0
2020.03.03
Structural design changed
3.0
2020.06.28
Parameter changes
3.1
2020.09.28
1.Change the connector of the power cable
2.Change the color of Power wake button
3. Add a negative output point and a module
positive point on composite plug of
module,add a negative output point and a
module negative point on composite socket of
module.
4.Add a positive output point and a negative
output point on the composite socket of BDU.
5.Update battery nameplate and module label
3.2
2021.3.2
1、Update the System Performance Parameter
2、Update Installation clearance requirements
3、Update Installation location precautions
4、Update the Grounding.
修 订 历 史 产 品 版 本

Tower ESS Unit User Manual
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Safety handling of lithium batteries Guide
symbol
Danger
● Battery strings will produce high voltage DC
power and can cause a lethal voltage and
electric shock.
● Only qualified person can perform the wiring
of the battery strings.
Warning
Risk of battery system damage or personal injury
● DO NOT pull out the connectors while the
system is operating!
● De-energize from all multiple power sources
and verify that there is no voltage.
Caution
Risk of battery system failure or life cycle
reduction.
Warning: This product is a high voltage DC system, operated by
authorized person only.
Danger: Before installation or operation you must read <Operation
Menu> carefully.
Caution:
Before Connecting
l Please check product and packing list first after unpacking, if product is damaged or lack of
parts, please contact with the local retailer;
l Before installation, be sure to cut off the grid power and make sure the battery is in the
turned-off mode;
l Do not mistake the positive and negative cables and ensure there are no short circuit
connection to the external device;

Tower ESS Unit User Manual
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l It is prohibited to connect the battery to AC power directly;
l Battery system must be well grounded and the resistance must be less than 1 Ω
l Please ensured the electrical parameters of battery system are compatible to related
equipment;
l Keep the battery away from water and fire.
l Battery is for indoor installation only.
In Using
l If the battery system needs to be moved or repaired, the power must be cut off and ensure
the battery is completely shut down;
l It is prohibited to connect the battery with different type of battery.
l It is prohibited to put the batteries working with faulty or incompatible inverter;
l It is prohibited to disassemble the battery (Warranty tab removed or damaged);
l In case of fire, only dry powder fire extinguisher can be used, liquid fire extinguishers are
prohibited;
l Please do not open, repair or disassemble the battery except staffs from Dyness or authorized
by Dyness. We do not undertake any consequences or related responsibility which because of
violation of safety operation or equipment safety standards.
Caution
l Please read the user manual carefully (in the accessories);
l If the battery is stored for a long time , it is required to charge them every six months, and the
SOC should be no less than 80%;
l Battery needs to be recharged within 12 hours, after fully discharged;
l Do not expose cable outside;
l All the battery terminals must be disconnected for maintenance;
l Please contact the supplier within 24 hours if there is something abnormal.
l The warranty claims are excluded for direct or indirect damage due to items above.

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1 Introduction
1.1 Brief Introduction
Tower is a high voltage battery storage system based on lithium iron phosphate battery, and it’s
one of the new energy storage products developed and produced by Dyness. it can be used to
support reliable power for various types of equipments and systems. Tower is especially suitable
for application scene of high power, limited installation space, restricted load-bearing and long
cycle life.
1.2 Product Properties
l The whole module is non-toxic, non-polluting and environmentally friendly;
l Anode material is made from LiFePO4 with safety performance and long cycle life;
l Battery management system (BMS)has protection functions including over-discharge,
over-charge, over-current and high/low temperature;
l The system can automatically manage charge and discharge state and balance current and
voltage of each cell;
l Flexible configuration, multiple battery modules can be in serial for expanding voltage and
Capacity.
l Adopted self-cooling mode rapidly reduced system entire noise;
l The module has less self-consumption, up to 6 months without charging; no memory effect,
excellent performance of shallow charge and discharge;
l Working temperature range is from 0 to 50℃ , with excellent discharge performance and
cycle life;
l Small size and light weight, standard module is comfortable for installation and maintenance;
1.3 Product identity definition
Figure 1-1 Battery Energy Storage System nameplate

Tower ESS Unit User Manual
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Battery voltage is higher than safe voltage, direct contact
with electric shock hazard.
Be careful with your actions and be aware of the dangers.
Read the user manual before using.
The scrapped battery cannot be put into the garbage can
and must be recycled by professional personnel or
institutes.
After the battery life is terminated, the battery can
continue to be used after it recycled by the professional
recycling organization and do not discard it at will.
This battery product meets European directive
requirements.
This battery product passed the TUV certification test.
Figure 1-2 Battery module label
The definition of
SN:1121112200923001
1
Tower
1
Cell manufacturer
2
Module No.:Module2
1
BMS manufacturer
1
Hardware version
1
Firmware version
2
Shift of production place
20
Year of production
09
Month of production
23
Day of production
001
Batch number of production

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2 Product Specification
2.1 System Performance Parameter
Table 2-1 The parameter of Tower system
System List
T21
T17
T14
T10
T7
Module Type
LFP
LFP
LFP
LFP
LFP
Total Storing Energy [kWh]
21.31
17.76
14.21
10.66
7.10
Usable Capacity [kWh]
21.31
17.76
14.21
10.66
7.10
Recommend Depth of Discharge
80%
80%
80%
80%
80%
Max Depth of Discharge
100%
100%
100%
100%
100%
Module configuration
6 Series
5 Series
4 Series
3 Series
2 Series
Voltage Range[Vdc]
504~657
420~547
336~438
252~328
168~219
Battery System Voltage (Vdc)
576
480
384
288
192
Battery System Capacity (Ah)
37
37
37
37
37
Battery System Charge Voltage
(Vdc)
657
547.5
438
328.5
219
Battery System Charge Current [A]
(Standard)
7.4
7.4
7.4
7.4
7.4
Battery System Charge Current [A]
(Normal)
18.5
18.5
18.5
18.5
18.5
Battery System Charge Current [A]
(Max)
37
37
37
37
37
Battery System Discharge
lower-Voltage (Vdc)
504
420
336
252
168
Battery System Discharge Current
[A] (Standard)
7.4
7.4
7.4
7.4
7.4
Battery System Discharge Current
[A] (Normal)
18.5
18.5
18.5
18.5
18.5
Battery System Discharge Current
[A] (Max)
37
37
37
37
37
Battery System Max. Charge&
Discharge Current [A]
(when used in communication with
the inverter)
22.5
22.5
22.5
22.5
22.5
Discharge condition
0℃~50℃
0℃~50℃
0℃~50℃
0℃~50℃
0℃~50℃
Charge condition
0℃~50℃
0℃~50℃
0℃~50℃
0℃~50℃
0℃~50℃
Max. Discharge Power [kW]
21.31
17.76
14.21
10.66
7.1
Max.Charge& Discharge Power [kW]
(when used in communication with
the inverter)
12.78
10.65
8.52
6.39
4.2
Short Circuit Current [kA]
1.5
1.5
1.5
1.5
1.5
Enclosure Protection (IP)
IP54
IP54
IP54
IP54
IP54
Size [mm]
1500
*504*380
1300
*504*380
1100
*504*380
900
*504*380
700
*504*380
Weight [kg]
269
228
187
146
105
Battery Module Name
HV9637
HV9637
HV9637
HV9637
HV9637
Battery Module Quantity(pcs)
6
5
4
3
2

Tower ESS Unit User Manual
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T14

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2.2 Battery Module
Table 2-2 Product parameters
Module Name
HV9637
Cell Technology
Li-ion(LFP)
Battery Module Capacity (kWh)
3.552
Battery Module Voltage (Vdc)
96
Battery Module Capacity (Ah)
37
Battery Module Cell Quantity (pcs)
30
Battery Cell Capacity (Wh)
118.4
Battery Cell Voltage (Vdc)
3.2
Battery Cell Capacity (Ah)
37
Battery Module Cell Quantity in Series (pcs)
30
Battery Module Charge Voltage (Vdc)
109.5
Battery Module Charge Current (Standard) [A]
7.4
Battery Module Charge Current (Normal) [A]
18.5
Battery Module Charge Current (Max.) [A]
37
Battery Module Discharge lower-Voltage (Vdc)
84
Battery System Discharge Current (Standard) [A]
7.4
Battery Module Charge Current (Normal) [A]
18.5
Battery Module Charge Current (Max.) [A]
37
Dimension(W*D*H, mm)
504*380*240
Communication mode
CAN
Pollution Degree (PD)
II
Ambient Temperature(℃)
0~50
IP Grade
IP54
Weight(kg)
41