Samsung U6A4 SPECIFICATION

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PRODUCT SPECIFICATION
Lithium Ion Battery System for UPS – U6A4
(34.6kWh, 32.6kWh, 28.5kWh, 26.5kWh, 20.4kWh)
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Revision
Date
Description
Pages Changed
0.0
2019.06.22
First draft
0.1
2019.09.24
SMU Auxiliary switch and SMPS Status auxiliary contact electrical ratings added (Table 10, Table 17)
22, 28
0.2
2019.11.14
Dimensions corrected
14
0.3
2019.12.05
Maximum operating altitude spec added
14
0.4
2020.08.11
Product model numbers updated Updated Table 4: Battery System General Specification (Changed Storage Humidity to Humidity)
8,19,21,24,29 14
0.41
2020.08.11
Edited for end customer Removed “confidential” in the document header
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Table of Contents

Revision History ................................................................................................................................. 2
Table of Contents ............................................................................................................................... 3
Tables ................................................................................................................................................ 4
Figures ............................................................................................................................................... 5
Acronyms and Abbreviations .............................................................................................................. 6
1. Product Overview .......................................................................................................................... 7
1.1 Scope ............................................................................................................................................. 7
2. Product Description ........................................................................................................................ 8
3. Safety Information and Handling .................................................................................................... 9
3.1 Safety Symbols .............................................................................................................................. 9
3.2 General Safety Information ........................................................................................................ 10
3.2.1 Protective Equipment .................................................................................................................10
3.2.2 Organic Solvent Electrolyte ........................................................................................................10
3.2.3 Electrolyte Vent Product ............................................................................................................10
3.2.4 High Voltage Sources ..................................................................................................................11
3.2.5 Unloading and Unpacking ..........................................................................................................11
3.2.6 Storage ........................................................................................................................................11
3.3 General Handling Information .................................................................................................... 12
4. Specification and Characteristics ................................................................................................... 13
5. Block Diagram and Configuration .................................................................................................. 17
6. Detail Product Description ............................................................................................................ 18
6.1 Battery Module ........................................................................................................................... 18
6.2 SMU ............................................................................................................................................. 19
6.3 SMPS Assembly ........................................................................................................................... 20
6.4 Rack Frame .................................................................................................................................. 21
7. LED Indication .............................................................................................................................. 22
7.1 Battery Status Display ................................................................................................................. 22
8. Evaluation .................................................................................................................................... 23
9. Packaging and Shipment ............................................................................................................... 24
10. Service, Maintenance and Warranty ........................................................................................... 25
10.1 Service ....................................................................................................................................... 25
10.2 Maintenance ............................................................................................................................. 25
10.3 Warranty ................................................................................................................................... 25
Contact Information ......................................................................................................................... 26
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Tables

Table 1: Acronyms and Abbreviations ................................................................................................. 6
Table 2: Component Information ........................................................................................................ 7
Table 3: Safety Symbols ....................................................................................................................... 9
Table 4: Battery System General Specification .................................................................................. 13
Table 5: 136S Battery System Specification ....................................................................................... 14
Table 6: 128S Battery System Specification ....................................................................................... 14
Table 7: 112S Battery System General Specification ......................................................................... 15
Table 8: 104S Battery System General Specification ......................................................................... 15
Table 9: 80S Battery System General Specification ........................................................................... 16
Table 10: LED Indicator ...................................................................................................................... 22
Table 11: Indicated Codes .................................................................................................................. 22
Table 12: List of Standards and Regulations ...................................................................................... 23
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Figures

Figure 1: 34.6kWh Lithium Ion Energy Storage System ....................................................................... 8
Figure 2: Storage Guide ..................................................................................................................... 12
Figure 3: General System Block Diagram ........................................................................................... 17
Figure 4 : Battery Module Type A ...................................................................................................... 18
Figure 5 : Battery Module Type B ...................................................................................................... 18
Figure 6: SMU .................................................................................................................................... 19
Figure 7: SMPS Assembly ................................................................................................................... 20
Figure 8: Rack Frame ......................................................................................................................... 21
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Acronyms and Abbreviations

The following acronyms and abbreviations are used in this manual.
Table 1: Acronyms and Abbreviations
Abbreviations
Full Name
BMS
Battery Management System
ESS
Energy Storage System
OCP
Over Current Protection
OTP
Over Temperature Protection
OVP
Over Voltage Protection
SMPS
Switching Mode Power Supply
SMU
String Management Unit
SOC
State Of Charge
SOH
State Of Health
UTP
Under Temperature Protection
UVP
Under Voltage Protection
UPS
Uninterruptible Power Supply
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1. Product Overview

Customer:
Model Number: PHR3462-001A (136S), PHR3262-001A (128S), PHR2852-001A (112S), PHR2652-001A (104S), PHR2042-001A (80S)
Product Name: Lithium Ion Battery System for UPS Supplier: Samsung SDI Co., Ltd.

1.1 Scope

This document details the safety and handling information, characteristics, requirements, installation instructions, operating guidelines, service, maintenance and warranty of Lithium Ion Battery System manufactured by Samsung SDI Co., Ltd. It is intended to provide certified personnel and users with information on safe handling, installation and usage of the specified product. Consult with Samsung SDI if some usages not described are expected.
This product is comprised of the following components.
Table 2: Component Information
Component
Model No.
Note
67Ah Cell
CM0630R0002A
67Ah 8S1P Battery Module Type A
EM2031AE003A
67Ah 8S1P Battery Module Type B
EM2031AE004A
String Management Unit (SMU)
V049-0011AA
UL
SMPS Assembly 3 Phase Type A
V044-0006AA
3 Phase AC input, System BMS
SMPS Assembly 3 Phase Type B
SJ94-00238B
3 Phase AC input, no System BMS
SMPS Assembly 1 Phase Type A
V044-0004AA
1 Phase AC input, System BMS
SMPS Assembly 1 Phase Type B
V044-0005AA
1 Phase AC input, no System BMS
Rack Frame
V808-00068A
Black
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2. Product Description

The Battery system consists of four major components: 67Ah 8S1P Battery Module (“Battery Module hereinafter), String Management Unit (SMU) and SMPS Assembly. A single rack configuration of 34.6kWh Battery System is comprised of one SMU and one SMPS Assembly and 17 Battery Modules.
Battery Module is the most basic component of the Battery System and it contains the energy storing battery cells. There is a Module BMS inside each Battery Module. Module BMS checks the status of a Battery Module by measuring its voltage and temperature. It also communicates with the SMU to send all measured voltage and temperature data, and to receive commands to control cell balancing.
SMU collects all information about the battery system and controls the battery system by switching the main power line and controls each Battery Module by cell balancing. SMU calculates the state-of-charge (SOC) and state-of-health (SOH) of the battery system. Key components in the SMU are Rack BMS, MCCB, and shunt resistor. Rack BMS is the main controller that takes all data from the Module BMS, measures the string voltage and current, determines the state of the battery and controls the MCCB accordingly.
SMPS Assembly Type A is comprised of System BMS and switching mode power supply (SMPS). SMPS Assembly Type A supplies power to the BMS and communicates with Uninterruptible Power Supply (UPS). SMPS Assembly Type B is comprised of only SMPS which supplies power to the BMS.
Figure 1: 34.6kWh Lithium Ion Energy Storage System
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3. Safety Information and Handling

This Part details the safety information that personnel must fully understand and follow while transporting, storing, installing, operating or servicing the Battery System. Before proceeding with unloading, unpacking, handling, installation and operation, read the following details.

3.1 Safety Symbols

Table 3: Safety Symbols
DANGER
‘DANGER’ indicates a hazardous situation which will result in death
or serious injury if not avoided.
WARNING
‘WARNING’ indicates a hazardous situation which could result in death or serious injury if not avoided.
CAUTION
‘CAUTION’ indicates a hazardous situation which could result in
minor or moderate injury if not avoided.
NOTICE
‘NOTICE’ indicates a hazardous situation which could result in property damage if not avoided.
Energy Storage Device
To help avoid burns or electric shock :
- Service by qualified personnel only
- Disconnect main power before maintenance
- Turn off the Battery System before maintenance
Electric shock hazard
Do not remove cover or disassemble.
Explosive gas
Do not expose to flame, incinerate, puncture, or impact
Shield eyes
Wear safety goggles at ALL times. (Installation, maintenance, etc.)
Electrolyte hazard
Do not contact eyes, skin or clothing. If it happens, Flush with water and seek medical aid immediately.
Do not dispose in trash
Transport legally. Follow manufacturer’s instructions for disposal. Please recycle Lithium ion battery. Do not discard.
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Qualified technicians use this manual for service and replacement.
This symbol is attached to the position near the DC+, DC- and communication port. If the user wants to access to the points near this symbol, he has to be fully aware of the contents in this manual.
This symbol is near to the point for grounding. Wire for grounding has to be connected to the point with this symbol.

3.2 General Safety Information

The Battery System provides a safe source of electrical energy when operated as intended and as designed. Potentially hazardous circumstances such as excessive heat or electrolyte mist may occur under improper operating conditions, damage, misuse and/or abuse. The following safety precautions and the warning messages described in this Part must be observed.
If any of the following precautions are not fully understood, or if you have any questions, contact Customer Support for guidance. The Safety Part may not include all regulations for your locale; personnel working with the Battery System must review applicable federal, state and local regulations as well as the industry standards regarding this product.

3.2.1 Protective Equipment

When working with the Battery System, the following personal protective equipment must be worn:
- High voltage rated rubber gloves
- Safety goggles or other eye protection

3.2.2 Organic Solvent Electrolyte

Cell components of the Battery System contain organic solvent-based electrolyte. Breach of individual cells may allow some electrolyte to be released from the cell. Direct contact with the liquid electrolyte can cause skin irritation.
If contact with the liquid electrolyte occurs, follow the suggestions below to minimize the chance of injury:
- Flush eyes immediately with cold running water for at least 15 minutes.
- Rinse skin immediately with water for at least 15 minutes.
- Remove clothing if soiled.
- Seek immediate medical attention.

3.2.3 Electrolyte Vent Product

The Lithium-Ion chemistry used in the Battery System contains an organic solvent-based electrolyte. If the Battery System is misused, damaged or abused, internal cell pressure may increase to excessive levels. Each
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cell within the Battery System is equipped with a non-resettable vent so that if internal cell pressure
increases, the cell’s vent will activate releasing the electrolyte vent products. When operated as intended and
designed, internal cell pressure remains stable and no electrolyte product venting occurs. Other structure (rack, enclosure e.g.) must not interfere gas vent.
Organic solvent electrolyte vent products are flammable. To avoid serious injury from the release and ignition of flammable products, the following guidelines must be observed:
- Operate the Battery System under conditions only as specified in this manual.
- Keep sparks, flames and smoking materials away from the Battery System.
- Do not incinerate, puncture or impact the Battery System.
- Do not solder or weld to the Battery System.

3.2.4 High Voltage Sources

DANGER: HIGH VOLTAGE ELECTRIC SHOCK HAZARD. The Battery System contains high voltage electric shock sources. Do NOT open any cover of Battery Module, SMU and SMPS Assembly.
Exposure to high voltage can cause serious electrical burns, shock or death. To avoid high voltage
electrical shock, follow the guidelines below:
- Do not work with high voltages unless you are qualified personnel.
- Personnel must fully understand the safety precautions associated with working on high voltage circuits.
- Personnel must fully understand the risk of working with batteries, and be prepared and equipped to
take the necessary safety precautions.
- Necessary equipment, including but not limited to insulated tools, high voltage rated rubber gloves,
rubber aprons, safety goggles, and face protection must be used.
- Ensure that the system is powered off and disconnected from outside circuits before servicing the unit.

3.2.5 Unloading and Unpacking

Carefully remove the plastic cover from the pallet. The packages are situated on a pallet on which it can be transported via forklift from location to location.
A damaged box or rattles during transport may indicate rough handling. Make a descriptive notation on the delivery receipt before signing. If damage is found, request an inspection by the carrier and file a damage claim. Pay particular attention to a damaged crate or staining from electrolyte or other fluids. Delay in notifying carrier may result in the loss of reimbursement for damages.

3.2.6 Storage

Follow the guidelines below when storing the Battery Modules.
- The battery module box should be upright as in Fig. 1 below. Do not stack or place upside down when
storing the battery module box.
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Figure 2: Storage Guide
- Do not stack more than five Battery Module boxes.
- Storage temperature must be in the range of 0 to 40°C.
- Storage humidity is recommended to be less than 60% RH under noncondensing.
- Capacity degradation will occur depending on storage time.
To minimize capacity degradation, storage temperature of less than 10°C and 3.630V per cell is recommended.

3.3 General Handling Information

Follow the guidelines below when handling the Battery System.
- Do not short circuit the positive (+) and negative (-) terminals with metallic object intentionally.
- Do not remove insulation cap on the terminals. If insulation cap is removed, avoid contacting between
the metals and the battery terminals. Do not damage the screw thread.
- Do not use seriously scarred or deformed battery. Dispose them immediately according to proper
regulations.
- Do not damage sheath of cable and connectors.
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4. Specification and Characteristics

Table 4: Battery System General Specification
No.
Item
Specification
Remarks
1
Dimension [mm, (inch)]
SMU
583 x 359.6 x 235.6,
(22.95 x 14.16 x 9.28)
Battery Module
403.5 x 214 x163,
(15.89 x 8.43 x 6.42)
Type A and Type B
SMPS Assembly 3 phase
397.4 x 355.6 x 85.5, (15.64 x 14 x 3.37)
Type A and Type B
SMPS Assembly 1 phase
397.4 x 355.6 x 85.5, (15.64 x 14 x 3.37)
Type A and Type B
Rack Frame
650 x 530 x 2055
(25.59 x 20.87 x 80.91)
2
Weight [kg,(lb)]
SMU
About 18, (40)
Battery Module
About 16.5, (36)
Type A and Type B
SMPS Assembly
About 5, (11)
Type A and Type B
Rack Frame
About 163.4, (360)
136S Battery System
About 510, (1124)
128S Battery System
About 493, (1087)
112S Battery System
About 459, (1012)
104S Battery System
About 442, (974)
80S Battery System
About 391, (862)
3
Minimum Capacity
67Ah
1/3C (22A) charge and
discharge @25oC
4
Recommended Operation Temperature
23±5°C
5
Maximum Operating Altitude
2,000m above sea level
6
Storage Temperature
0 ~ 40°C
7
Storage Humidity
Less than 90 % RH
Noncondensing
8
Recommended Storage Humidity
Less than 60 % RH
Noncondensing
9
Storage Period1
Less than 6 months
10
Communication (Internal)
Differential UART,
2 Mbps
SMU – Battery Module
11
Communication (External)1
RS485
UPS – SMPS Assembly
Communication (External)2
TCP/IP
UPS – SMPS Assembly
Communication (External)3
Dry contact
UPS – SMPS Assembly
1
The Capacity degradation will occur depending on storage time.
- To minimize capacity degradation, storage temperature of less than 10°C and 3.630V per cell is recommended.
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Table 5: 136S Battery System Specification
No.
Item
Specification
Remarks
1
Number of Module
17
8 Type A 9 Type B
2
Nominal Capacity
34.6kWh
1/3C @25oC
3
Nominal Voltage1
516.8V DC
3.8V/cell
4
Maximum Voltage1
571.2V DC
4.2V/cell
5
Discharging Method
Constant Power
End of Discharge Voltage1
408V DC
3.0V/cell
Recommended End of Discharge Voltage1
435.2V DC
3.2V/cell
Standard Discharging Current1
22.3A
1/3C @25oC
Maximum Continuous Discharge Power1
183.6kW
Peak 450A @ EODV
6
Charging Method
CC-CV, Floating
Floating Charging Voltage1
571.2V DC
4.2V/cell
Standard Charging Current1
22.3A
1/3C
Maximum Peak Charging Current1
250A
2 second pulse
Maximum Continuous Charging Current1
67A
1C
1
Specified voltage and current must be satisfied in all load and charging conditions.
Notice: After a full discharge at maximum continuous discharge power, cool the battery for at least
12 hours before another discharge in order to avoid over-temperature protection. Immediate
recharging is allowed with standard charging current. For optimal performance, wait until the
battery temperature returns to at least ±3°C within the room temperature.
Table 6: 128S Battery System Specification
No.
Item
Specification
Remarks
1
Number of Module
16
8 Type A 8 Type B
2
Nominal Capacity
32.6kWh
1/3C@R.T
3
Nominal Voltage1
486.4V DC
3.8V/cell
4
Maximum Voltage1
537.6V DC
4.2V/cell
5
Discharging Method
Constant Power
End of Discharge Voltage1
384V DC
3.0V/cell
Recommended End of Discharge Voltage1
409.6V DC
3.2V/cell
Standard Discharging Current1
22.3A
1/3C@R.T
Maximum Continuous Discharge Power1
173kW
Peak 450A @ EODV
6
Charging Method
CC-CV, Floating
Floating Charging Voltage1
537.6V DC
4.2V/cell
Standard Charging Current1
22.3A
1/3C
Maximum Peak Charging Current1
250A
2 second pulse
Maximum Continuous Charging Current1
67A
1C
1
Specified voltage and current must be satisfied in all load and charging conditions.
Notice: After a full discharge at maximum continuous discharge power, cool the battery for at
least 12 hours before another discharge in order to avoid over-temperature protection.
Immediate recharging is allowed with standard charging current. For optimal performance, wait
until the battery temperature returns to at least ±3°C within the room temperature.
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Table 7: 112S Battery System General Specification
No.
Item
Specification
Remarks
1
Number of Module
14
6 Type A 8 Type B
2
Nominal Capacity
28.5kWh
1/3C@R.T
3
Nominal Voltage1
425.6V DC
3.8V/cell
4
Maximum Voltage1
470.4V DC
4.2V/cell
5
Discharging Method
Constant Power
End of Discharge Voltage1
336V DC
3.0V/cell
Recommended End of Discharge Voltage1
358.4V DC
3.2V/cell
Standard Discharging Current1
22.3A
1/3C@R.T
Maximum Continuous Discharge Power1
151kW
Peak 450A @ EODV
6
Charging Method
CC-CV, Floating
Floating Charging Voltage1
470.4V DC
4.2V/cell
Standard Charging Current1
22.3A
1/3C
Maximum Peak Charging Current1
250A
2 second pulse
Maximum Continuous Charging Current1
67A
1C
1
Specified voltage and current must be satisfied in all load and charging conditions.
Notice: After a full discharge at maximum continuous discharge power, cool the battery for at
least 12 hours before another discharge in order to avoid over-temperature protection.
Immediate recharging is allowed with standard charging current. For optimal performance, wait
until the battery temperature returns to at least ±3°C within the room temperature.
Table 8: 104S Battery System General Specification
No.
Item
Specification
Remarks
1
Number of Module
13
6 Type A 7 Type B
2
Nominal Capacity
26.5kWh
1/3C@R.T
3
Nominal Voltage1
395.2V DC
3.8V/cell
4
Maximum Voltage1
436.8V DC
4.2V/cell
5
Discharging Method
Constant Power
End of Discharge Voltage1
312V DC
3.0V/cell
Recommended End of Discharge Voltage1
332.8V DC
3.2V/cell
Standard Discharging Current1
22.3A
1/3C@R.T
Maximum Continuous Discharge Power1
140kW
Peak 450A @ EODV
6
Charging Method
CC-CV, Floating
Floating Charging Voltage1
436.8V DC
4.2V/cell
Standard Charging Current1
22.3A
1/3C
Maximum Peak Charging Current1
250A
2 second pulse
Maximum Continuous Charging Current1
67A
1C
1
Specified voltage and current must be satisfied in all load and charging conditions.
Notice: After a full discharge at maximum continuous discharge power, cool the battery for at
least 12 hours before another discharge in order to avoid over-temperature protection.
Immediate recharging is allowed with standard charging current. For optimal performance, wait
until the battery temperature returns to at least ±3°C within the room temperature.
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Table 9: 80S Battery System General Specification
No.
Item
Specification
Remarks
1
Number of Module
10
4 Type A 6 Type B
2
Nominal Capacity
20.4kWh
1/3C@R.T
3
Nominal Voltage1
304V DC
3.8V/cell
4
Maximum Voltage1
336V DC
4.2V/cell
5
Discharging Method
Constant Power
End of Discharge Voltage1
240V DC
3.0V/cell
Recommended End of Discharge Voltage1
256V DC
3.2V/cell
Standard Discharging Current1
22.3A
1/3C@R.T
Maximum Continuous Discharge Power1
108kW
Peak 450A @ EODV
6
Charging Method
CC-CV, Floating
Floating Charging Voltage1
336V DC
4.2V/cell
Standard Charging Current1
22.3A
1/3C
Maximum Peak Charging Current1
250A
2 second pulse
Maximum Continuous Charging Current1
67A
1C
1
Specified voltage and current must be satisfied in all load and charging conditions.
Notice: After a full discharge at maximum continuous discharge power, cool the battery for at
least 12 hours before another discharge in order to avoid over-temperature protection.
Immediate recharging is allowed with standard charging current. For optimal performance, wait
until the battery temperature returns to at least ±3°C within the room temperature.
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5. Block Diagram and Configuration

A single rack system consists of 1 SMU, 1 SMPS Assembly and Battery Modules ranging from 10 modules (20.4kWh) to 17 modules (34.6kWh).
Refer to Figure 3: General System Block Diagram.
Figure 3: General System Block Diagram
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6. Detail Product Description

6.1 Battery Module

Type A: EM2031AE003A Type B: EM2031AE004A
There are two types of 8S1P Battery Module depending on the position of terminal’s polarity. Type A’s plus(+) terminal is on the right side. Type B is on the left.
Nominal capacity: 67 Ah Nominal voltage: 30.40 V
Battery Module Type A (Isometric)
Battery Module Type A
(Front. Front cover removed)
Figure 4 : Battery Module Type A
Battery Module Type B (Isometric)
Battery Module Type B
(Front. Front cover removed)
Figure 5 : Battery Module Type B
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6.2 SMU

UL: V049-0011AA
The SMU consists of protection devices and a rack BMS. The key component of protection devices are as follows
Fuse: 500A rating MCCB UL/CE: 600A rating
Figure 6: SMU
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6.3 SMPS Assembly

3 Phase Type A (with System BMS): V044-0006AA 3 Phase Type B (without System BMS): SJ94-00238B 1 Phase Type A (with System BMS): V044-0004AA 1 Phase Type B (without System BMS): V044-0005AA
SMPS Assembly houses the System BMS and SMPS, which provides power to the System BMS and SMU. Two options are available for the SMPS depending on the AC input range and cabling: 3 phase and 1 phase. The System BMS assembly provides data to the external systems (i.e. building management system, UPS, etc.) while controlling and monitoring all connected Rack BMS.
There are two types of SMPS Assembly: Type A is with System BMS and Type B is without System BMS.
SMPS Assembly with 3 Phase AC Input
SMPS Assembly with 1 Phase AC Input
Type A (with System BMS)
Type B (without System BMS)
Figure 7: SMPS Assembly
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6.4 Rack Frame

Black: V808-00068A
The Rack Frame is used to mount the modules, SMU and SMPS Assembly and provides ground connections for SMU and SMPS Assembly. (Grounding cable/bus bar for the rack frame is necessary for the SMU and SMPS assembly as they are grounded to the rack frame when installed.)
Figure 8: Rack Frame
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7. LED Indication

LED indicator in front of the SMU shows the status of the battery.

7.1 Battery Status Display The LED shows several battery conditions.

Table 10: LED Indicator
Items
POWER(Green)
FAULT(Red)
ALARM(Yellow)
CURRENT(Green)
Location
Status
On : MCCB Off Off : Power Off Blink : MCCB On
On : N/A Off : Power Off Blink : Major Protection
On : N/A Off : Power Off Blink : Minor Protection
On : Discharge Off : Idle Blink : Charge
Table 11: Indicated Codes
LED Status
Battery Status
Remarks
POWER steady
Normal status
MCCB Off
POWER blinking
Normal status
MCCB On
POWER blinking
CURRENT steady
Normal Status
Discharge
POWER blinking
CURRENT blinking
Normal Status
Charge
POWER steady
FAULT blinking
Major Protection MCCB tripped
POWER blinking
ALARM blinking
Minor Protection MCCB on
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8. Evaluation

This part lists all regulation and safety tests conducted by Samsung SDI or a third-party organization. Refer to additional report for more information on test specification.
Table 12: List of Standards and Regulations
No.
Regulation
Tested Product
Result
1
UL1642
Cell
OK 2 UN38.3
Cell, 8S1P Module
OK 3 UL1973, UL991, UL1998
8S1P Module, System
OK 4 CE (IEC 62477-1, EN 61000), IEC 62619
8S1P Module, System
OK
Other evaluations are based on customer requirements or Samsung SDI’s standards.
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9. Packaging and Shipment

The Battery System is packaged in groups of each component. Refer to additional specification document on packaging and shipment details.
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10. Service, Maintenance and Warranty

10.1 Service

There are no user serviceable parts in the Battery Module, SMU and SMPS Assembly. Written authorization from Samsung SDI is required to open the Battery Module, SMU and SMPS assembly or perform any maintenance thereon. For service inquiries and questions please contact Samsung SDI.

10.2 Maintenance

The Battery System is designed to be free of maintenance when the recommended operating parameters are followed.

10.3 Warranty

Do not disassemble the Battery Modules, SMU and SMPS Assembly as doing so presents a safety hazard and will void the warranty. Contact Samsung SDI for more information. Refer to the purchase agreement for
warranty details.
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Contact Information

Corporate Headquarters
Samsung SDI, Co. Ltd. 150-20, Gongse-ro, Giheung-gu, Yongin-si, Gyeonggi-do Republic of Korea Telephone: 82-31-8006-3336 Homepage: www.samsungsdi.com
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