Page 1 CM2 Series Series C&I All-IN-ONE BATTERY ENERGY STORAGE SYSTEM USER MANUAL...
Page 2 CM2 Series Preface Thank you for choosing SAJ products. We are pleased to provide you first-class products and exceptional service. This manual provides information about installation, operation, maintenance, troubleshooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and whole-hearted service.
Page 3: Table Of Contents
CM2 Series TABLE OF CONTENTS 1. SAFETY PRECAUTIONS .............................. 1 1.1. About This Document .................................. 2 1.1.1. Overview ......................................2 1.1.2. Target Audience ..................................... 2 1.2. Safety ......................................... 2 ............................... 3 1.2.1. Safety Levels ............................3 1.2.2. Symbol Explanation .............................. 4 1.2.3.
Page 4 CM2 Series 2.4.3. LED panel ...................................... 19 2.5. Product internal design ................................20 2.5.1. PCS electrical interfaces ................................20 2.5.2. PCS indicator ....................................21 2.5.3. EMS unit (optional) ..................................21 2.5.4. Cabinet interior components ..............................22 2.5.5. Battery cluster ..................................... 23 2.5.6.
Page 5 CM2 Series 5.1.4. Electrostatic Discharge (ESD) Protection .......................... 41 5.2. System connections overview ............................... 42 5.3. Check the battery power cable connections ........................43 5.4. Prepare the cables ..................................43 5.5. Connect the grounding cable ..............................43 5.6. Connect the EMS unit cables ..............................44 5.7.
Page 6 CM2 Series 9.2. Connect the EMS to the computer ............................72 9.3. Log in to the EMS web platform ............................72 9.4. View the device information ..............................74 10. Troubleshooting ..............................77 11. Operation and Maintenance ..........................89 11.1. General safety instructions ..............................90 11.1.1.
Page 7: Safety Precautions
CM2 Series SAFETY PRECAUTIONS...
Page 8: About This Document
1.1.1. Overview This User Manual provides introductions and instructions of installing, operating, maintaining, and troubleshooting of SAJ CM2 series commercial & industrial (C&I) all-in-one battery energy storage system (BESS). Read the user manual carefully before any installation, operation and maintenance and follow the instructions during installation and operation.
Page 9: Safety Levels
CM2 Series 1.2.1. Safety Levels DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not avoided, can result in serious injury or moderate injury. CAUTION Indicates a hazardous condition which, if not avoided, can result in minor or moderate injury.
Page 10: Safety Instructions
CM2 Series Attention: This device shall NOT be disposed of in residential waste. Attention: This battery module shall NOT be disposed of in residential waste. CAUTION: Risk of electric shock from energy stored in capacitor. Do not open the cabinet door until 5 minutes after disconnecting all sources of supply.
Page 11 • Do not approach the energy storage cabinet during severe weather conditions such as storms or thunderstorms. • If the battery packs are defective, broken or damaged, shut down the CM2 system and contact SAJ service for further assistance.
Page 12: Battery Safety Instructions
It is strictly prohibited to disassemble, modify, or damage battery packs (such as inserting foreign objects, immersing in water or other liquids), as this can cause leakage, overheating, fire, or explosion of the battery pack. Any attempts to modify battery without the permission from SAJ will void the limit warranty for the battery.
Page 13: Handling Of Dropped Battery Packs
Under safe conditions, professional personnel should use firefighting equipment to extinguish fires. ⚫ ⚫ Stop using the battery pack immediately after it has fallen, and contact SAJ service engineer for assessment. 1.4. Emergency handling on-site When any of the following dangerous incidents occur on-site, prioritize the safety of all personnel present.
Page 14: Exhaust Valve Being Activated
When the exhaust valve is activated, take the following actions immediately: Ensure that no personnel are positioned directly in front of or facing the exhaust valve. ⚫ After the incident, do not attempt to inspect or handle the equipment yourself. Contact SAJ service ⚫ engineers immediately for professional assessment.
Page 15 Follow local regulations and have qualified personnel handle any further actions. ⚫ Do not attempt to open the cabinet door without authorization. ⚫ Contact SAJ service engineers for an assessment of the affected equipment. Recommendations for professional firefighters: ⚫ Use the information provided by the maintenance staff, which includes:...
Page 16 CM2 Series...
Page 17: Product Information
CM2 Series ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ PRODUCT INFORMATION...
Page 18: System Overview
The EMS can manage the storage and release of the electrical energy to fulfil the requirement of industrial and commercial application scenarios. The following figure shows the scenario where CM2 BESS works with SAJ C6 string inverter to provide maximum PV self-consumption and peak shaving at the grid connection point:...
Page 19 CM2 Series The following figure shows the scenario where CM2 BESS works with third-party string inverter. In this case, an extra smart meter is required between the inverter and CM2: Figure 2.2. System overview of PV-BESS with third-party inverter The following figure shows the scenario where CM2 BESS works as a storage system to provide peak shaving at the grid connection point through customized charging and discharging schedules: Figure 2.3.
Page 20: Product Model Description
CM2 Series 2.2. Product model description CM2- K- 261 ① ② ③ ① CM2 represents the product name. ② K stands for the rated power of the CM2 system in kW. For example, 125K means 125 kW. ③ 261 means that the rated energy of the battery system is 261 kWh.
Page 21 CM2 Series Export Limit Control • Application scenario 1: For users with PV systems or other generation systems, the export limit control devices should be configured. The EMS monitors real-time power at the user-side grid connection point, prioritizing power distribution to loads and using excess power to charge the storage system.
Page 22: Product Appearance
CM2 Series 2.4. Product appearance 2.4.1. Dimensions 1030 mm 1400 mm 1541 mm Figure 2.4. Dimensions of CM2 cabinet...
Page 23: Cabinet
CM2 Series 2.4.2. Cabinet 1. Exhaust valve 2. LED indicator For LED status descriptions, see Table 2.1 "LED indicator description" on page 19. 3. Audio-visual fire alarm 4. Emergency stop of the CM2 system 5. Cabinet lock 6. Warning label 7.
Page 24 CM2 Series 1. Pre-served port for external fire hose coupling connection 2. Equipment nameplate 3. Air outlet vent 4. Cabinet grounding connection ports Figure 2.6. Rear view...
Page 25: Led Panel
CM2 Series 1. Floor drains 2. Threaded cable gland for AC power cables 3. Threaded cable gland for communication cables Figure 2.7. Bottom view 2.4.3. LED panel LED Panel Status Description Solid The cabinet is working on-grid. Breathing The cabinet is under initialization or at the standby mode.
Page 26: Product Internal Design
CM2 Series 2.5. Product internal design 2.5.1. PCS electrical interfaces Figure 2.8. PCS electrical interfaces Callout Silkscreen Description The positive port connecting with the fifth (the last) battery module. The negative port connecting with the first battery module. DC SWITCH The direct current isolator switch of the battery packs.
Page 27: Pcs Indicator
CM2 Series 2.5.2. PCS indicator Display Status Description Solid on The BMS system is working. Slow flashing The BMS system is at the initializing, waiting, or upgrading status. Fast flashing The BMS system has an error. The BMS system is powered off.
Page 28: Cabinet Interior Components
CM2 Series 2.5.4. Cabinet interior components 1. Exhaust valve 2. Compound fire detector 3. LED indicator 4. Aerosol device 5. Audio-visual fire alarm 6. DIP switch 7. Dehumidifier 8. Air inlet vent equipped with dust filter 9. Limit switch 10. Battery modules 11.
Page 29: Battery Cluster
CM2 Series 2.5.5. Battery cluster CM2 employs a lithium-iron phosphate battery system architecture. Each high-voltage battery cluster consists of standardized and modular battery packs connected in series. The battery cluster is connected to a power conversion system (PCS) to manage the storage and release of the electrical energy.
Page 30: Liquid Temperature Control System
CM2 Series 2.6. Liquid temperature control system CM2 BESS employs an advanced variable-frequency liquid cooling unit combined with SAJ intelligent temperature control, offering outstanding energy-saving performance. Figure 2.11. Front panel of the liquid temperature control system Callout Description The switch of the liquid temperature control system.
Page 31: Fire Detection And Suppression Systems
CM2 Series 2.7. Fire detection and suppression systems The fire safety design of the CM2 energy storage system integrates advanced detection, suppression, and material technologies to ensure rapid response and effective control of potential fire incidents. This comprehensive approach aims to protect personnel, minimize damage, and maintain operational integrity.
Page 32 CM2 Series...
Page 33: Transportation And Storage
CM2 Series TRANSPORTATION AND STORAGE...
Page 34: Transportation
CM2 Series 3.1. Transportation Warning • The transportation equipment must be fully prepared and inspected by professional organizations to ensure qualification. • Ensure that the transportation equipment is not overloaded. • Do not drill any holes on the product for transportation purpose. Drilling operations on the equipment housings can lead to several critical issues that may affect the integrity and functionality of the device.
Page 35: Transportation Without Package
CM2 Series 3.1.2. Transportation without package NOTICE • Always use wooden pallets under the cabinet when moving to protect the cabinet from damage. • Always keep the cabinet in a horizontal position during transport. The cabinet should not be laid on its side, inverted, or placed in any orientation other than flat.
Page 36 CM2 Series NOTICE • The distance between the lifting hook and the top of the cabinet must be at least 1 meter to ensure sufficient clearance to prevent any accidental contact or damage during lifting operations. • The tilt angle of the cabinet should be less than 10° .
Page 37: Storage Before Installation
CM2 Series 3.2. Storage before installation Store the cabinet after unpacking according to the following guidelines if the installation will be performed after certain period: • Store the cabinet indoors, such as in a large warehouse or workshop, to prevent condensation inside the cabinet or water immersion at the base during rainy seasons.
Page 38 CM2 Series...
Page 39: Installation Preparation
CM2 Series INSTALLATION PREPARATION...
Page 40: Precautions
When selecting the installation location, follow the guidelines below: • Consult the dealer or SAJ technical support when the distance from the installation location to the coast is between 500 and 2000 meters. Do not install the cabinet within 500 meters from the coast.
Page 41: Installation Foundation Requirement
CM2 Series 4.2.2. Installation foundation requirement Follow the guidelines below to construct the foundation for installing the CM2 cabinets: • Install the CM2 cabinet on a concrete or non-flammable surface. Ensure that the installation surface is level, solid, flat, and has sufficient load-bearing capacity, with no depressions or inclinations.
Page 42 CM2 Series • Reserve enough space around the CM2 cabinet to ensure proper ventilation. Poor ventilation will affect the working efficiency of the internal electrical components and shorten the lifespan of the product. Figure 4.2. Installation space of a single cabinet >...
Page 43: Preparing Installation Tools
CM2 Series Figure 4.3. Installation space of multiple cabinets 4.3. Preparing installation tools The tools illustrations are for your reference. Installation tools include but are not limited to the following recommended ones. Use other auxiliary tools based on site requirements.
Page 44: Unpacking
CM2 Series 4.4. Unpacking 4.4.1. Check the outer packing Although SAJ’s products have thoroughly tested and checked before delivery, the products may suffer damages during transportation. Check the outer packing package for any damage, such as holes and cracks. Check the equipment model.
Page 45: Electrical Connection
CM2 Series ELECTRICAL CONNECTION...
Page 46: Safety Instructions
CM2 Series 5.1. Safety Instructions Electrical connection must only be operated by professional technicians. Before the operation, the technicians must wear necessary personal protective equipment (PPE) including insulating gloves, insulating shoes, and safety helmet. DANGER • Danger to life due to potential fire or electricity shock.
Page 47: Ground Protection
CM2 Series 5.1.2. Ground protection Follow the grounding guidelines below for the equipment which is critical to ensure electrical safety and compliance with local standards: • The impedance of the equipment's grounding system must meet the requirements specified by local electrical standards.
Page 48: System Connections Overview
CM2 Series 5.2. System connections overview The following figure shows the cable connections of a single CM2 cabinet: Figure 5.1. Single cabinet connections The following figure shows the cable connections of multiple CM2 cabinets in parallel. The primary CM2 is equipped with the EMS unit, and the standard CM2 cabinets all connect to the EMS unit on the primary CM2 for system communication.
Page 49: Check The Battery Power Cable Connections
CM2 Series 5.3. Check the battery power cable connections The battery power cables and manual service disconnect (MSD) switches are installed before delivery. Before any electrical connections on site, check that the battery power cables and the MSD switches on each battery pack are securely installed.
Page 50: Connect The Ems Unit Cables
CM2 Series Step 2. Secure the grounding cable to one of the grounding ports at the back bottom of the cabinet. Figure 5.2. Connecting the grounding cable Step 3. Connect the other cable end to the external earthing bar. 5.6. Connect the EMS unit cables The EMS unit needs to be ordered and installed at the bottom of the CM2 cabinet for both single-cabinet deployment and parallel deployment of multiple CM2 cabinets.
Page 51 CM2 Series • Determine whether to install the antenna on the left or right side of the cabinet depending on the actual installation environment. Point the antenna to an open area to ensure smooth signal reception. Avoid pointing the antenna to the other CM2 cabinets in parallel.
Page 52: Connect The Ac Cables
CM2 Series d. Inside the cabinet, fix the cable along the interior surface of the cabinet. e. Fasten the 2.4G cable to the WiFi port; fasten the 4G cable to the 4G port. (8 mm wrench; 1.2 N· m) Step 7. Connect the grid meter and the export limit control meter (if available) to the RS485 ports on the EMS unit.
Page 53: Connect The Dehumidifier Drainpipe
CM2 Series 5.8. Connect the dehumidifier drainpipe Connect the dehumidifier drainpipe to an external liquid drainage channel if needed. Avoid draining excessive liquid under the cabinet bottom. 5.9. Secure the cabinet to the ground Before you start Make sure that enough space is reserved at the front or back end of the cabinet bottom for the cables and wires passing through.
Page 54 CM2 Series Figure 5.4. Mounting the cabinet...
Page 55: Startup And Shutdown
CM2 Series STARTUP AND SHUTDOWN...
Page 56: System Check Before Startup
CM2 Series 6.1. System check before startup Before starting up the CM2 cabinet, check that the following items meet the corresponding acceptance criteria: Item Acceptance Criteria • The equipment appearance is intact with no damage, rust, or Equipment appearance paint peeling. Any areas of paint peeling should be repainted.
Page 57: Start Up The System
CM2 Series 6.2. Start up the system Before you start • Confirm that all auxiliary power and main circuit wiring is completed. • Measure the voltage and frequency to ensure they meet system requirements. • Check that the emergency stop switch on the cabinet door is not activated.
Page 58: Stop The System
CM2 Series Step 5. Push forward the air switch on the liquid temperature control system. Step 6. Continue with the commissioning procedure on the elekeeper App or web platform. For details, see section 7 "Commissioning" on page 54. Step 7. After the CM2 BESS is powered on for 30 minutes, test the temperature of the following terminals with a thermal detector to ensure that the temperature is within proper range: •...
Page 59: Commissioning On App
CM2 Series COMMISSIONING ON...
Page 60: About The Elekeeper App
CM2 Series 7.1. About the elekeeper App The elekeeper App can be used for both nearby and remote monitoring. 7.2. Download the App On your mobile phone, search for “elekeeper” in the App store and download the App. Alternatively, you can scan the below QR code to download the App.
Page 61: Complete Initialization Settings
CM2 Series If you do not have an account, register first. Tap Register. Choose whether you are an owner, installer, or distributor. Follow the instructions on the screen to complete the registration. Use the account and password to log in to the App.
Page 62 CM2 Series Follow the screen to complete the initialization settings. • For details about Policy configuration, see section 7.8 "Configure the working mode" on page 60. • For Safety setting, set the following safety parameters according to the regional regulations.
Page 63: Create A Plant
CM2 Series 7.5. Create a plant Log in to the App and connect to the EMS unit through Bluetooth connection. On the Management page, tap the icon on the upper right corner, and select Create Plant for Owner. Register the owner’s account or select an existing owner.
Page 64: Configure The 4G Service
CM2 Series 7.6. Configure the 4G service When the 4G service is required for the EMS to connect to the cloud platform, configure the 4G network service on the EMS. Before you start Make sure that the 4G SIM card has been installed to the EMS. For detailed instructions, see section 5.6 "Connect the EMS unit cables"...
Page 65: Configure Meter Connection
CM2 Series 7.7. Configure meter connection When the PV or grid meters are installed, configure the meter connection with the EMS. Log in to the App and connect to the EMS unit through Bluetooth connection. On the EMS page, select Wiring Method.
Page 66: Configure The Working Mode
CM2 Series 7.8. Configure the working mode Configure the working mode of the CM2 system according to the actual requirement of the users. Customized policy template can be configured and applied on the App. Log in to the App and connect to the EMS unit through Bluetooth connection.
Page 67 CM2 Series For TOU (Multi-Use) mode, tap Template to create customized working mode for different time- slots. For example, configure the working policy for time periods 00:00-08:00, 08:00-17:00, 17:00- 20:00, and 20:00-24:00; and apply the policy for all days on weekly basis:...
Page 68 CM2 Series...
Page 69: Commissioning On Web
CM2 Series COMMISSIONING ON...
Page 70: The Elekeeper Web Platform
CM2 Series 8.1. The elekeeper web platform The elekeeper web platform is a smart energy management system that monitors the power production and consumption statistics of the CM2 BESS. Most of the BESS configurations can be either completed on the elekeeper App or the elekeeper web platform;...
Page 71: Create A Plant
CM2 Series 8.3. Create a plant On the Home page, select Plants on the left navigation pane. Then, select Add a plant on the upper right corner.
Page 72 CM2 Series On the Create Plant page, follow the instructions on the screen. On the Add a device page, enter the device SN and click Add. When the EMS module is displayed, confirm the bonding with the CM2 BESS and enter the inverter name.
Page 73 CM2 Series On the Installer Info page, enter the installation code. The installation code is only available for the installer role. The code can be found under the Personal center. For example: 98I6Z2. Click on Complete station creation to finish the creation.
Page 74: View The Plant Statistics
CM2 Series 8.4. View the plant statistics On the Home page, choose Plants on the left navigation pane. Search or filter out the target plant. Click on the listed plant name to view the plant statistics. For example, CM2 BESS-01.
Page 75 CM2 Series ⚫ On the Overview page, you can view data like system power production, consumption, battery charging and discharging, and revenue statistics. Energy overview: It provides a dynamic connection diagram between PV arrays, grid, loads, and batteries. Plant Info: It lists plant address, owner name, capacity, and creation time.
Page 76 CM2 Series Liquid cooling: ⚫ On the Alarm page, you can view the details of the open and closed alarms.
Page 77: Communication By Lan
CM2 Series COMMUNICATION BY...
Page 78: Ems Web Platform
CM2 Series 9.1. EMS web platform The eSAJ All-In-One Smart EMS is a local web platform that allows the users to view the device, alarm, and strategy of the product. In comparison to the elekeeper web platform, the real-time device data are updated every two seconds.
Page 79 CM2 Series Configure the manual IP address and subnet mask as follows: ⚫ IP address: 192.168.1.110 ⚫ Subnet mask: 255.255.255.0 Open the IP addresses 192.168.1.136 on the web browser. Use the account sajComm and password 080808 to log in. To change the password, enter the account name sajComm on the upper right corner and...
Page 80: View The Device Information
CM2 Series 9.4. View the device information To view the device information, open the Device tab and select the required device from the list on the left-side.
Page 81 CM2 Series To check the reported alarms, open the Alarm page to view alarms in different status. ⚫ Open: Active alarm ⚫ Closed: History alarms To view the current strategy, open the Strategy page.
Page 82 CM2 Series To modify the current strategy, click on Configure strategy, and select the proper strategy.
Page 83: Troubleshooting
CM2 Series TROUBLESHOOTING...
Page 84 CM2 Series For the errors reported as below, take the suggested troubleshooting actions in the listed order first. If the error is still present after taking the suggested actions or no specific action is suggested, contact the service support for further assistance.
Page 85 CM2 Series Error Error message Cause Troubleshooting actions code Ground Leakage Current Fault Ground leakage current is detected in the 1. Disconnect the AC/DC switches for 5 minutes. power station system. 2. Check if the AC output ground wiring and the AC wiring is correct.
Page 86 CM2 Series Error Error message Cause Troubleshooting actions code 4. Verify if the inverter's grid compliance is correctly set. Inverter Overvoltage Inverter output voltage exceeds the inverter 1. Check if the inverter output voltage is too high. limit. 2. Inspect if the inverter's AC output cables are securely connected.
Page 87 CM2 Series Error Error message Cause Troubleshooting actions code Abnormal Bus Voltage Difference The difference between bus voltage and 1. Disconnect the AC/DC switches for 5 minutes. battery voltage exceeds the threshold. 2. Check if battery cables are securely connected.
Page 88 CM2 Series Error Error message Cause Troubleshooting actions code Low Host Temperature IGBT/cabinet/balance bridge temperature 1. Check if the ambient temperature is too low. too low. 2. If not, disconnect the AC/DC switches for 5 minutes. 3. Restart the inverter.
Page 89 CM2 Series Error Error message Cause Troubleshooting actions code Charge Overcurrent Protection The battery charge current exceeds the set threshold. The battery total voltage falls below the set Force charging the battery. Battery Undervoltage Protection threshold. The battery total voltage exceeds the set Wait for the fault to clear or restart the system.
Page 90 CM2 Series Error Error message Cause Troubleshooting actions code • High ambient temperature; Cell Over-temperature Protection 1. Check if the battery's ambient temperature is too high. • Battery overload. 2. If the temperature is normal, let the battery rest for 30 minutes.
Page 91 CM2 Series Error Error message Cause Troubleshooting actions code Discharge Pressure Sensor Fault Exhaust pressure sensor malfunction. Compressor Converter Communication Communication error of the compressor Error converter. Liquid Temperature Probe Fault Liquid temperature probe failure. Liquid Return Probe Fault Liquid return probe failure.
Page 92 CM2 Series Error Error message Cause Troubleshooting actions code Overcurrent of Compressor D-axis Overcurrent of compressor D-axis. Overcurrent of Compressor Q-axis Overcurrent of compressor Q-axis. Compressor Parameter Storage Failure Compressor parameter storage failure. Compressor Communication Error Compressor communication error. Compressor Current Detection Fault Compressor current detection fault.
Page 93 CM2 Series Error Error message Cause Troubleshooting actions code Fan Overload Fan overload. External Fault Fault of external systems or components. Motor Overload Motor overload. Converter Underload Converter underload. Fan Failure Fan failure. Motor Expiration Date The motor has reached its expiration date.
Page 94 CM2 Series Error Error message Cause Troubleshooting actions code Aerosol Triggered Alarm Cabinet combustion triggered the aerosol. Exhaust Valve Activated Alarm High concentration of combustible gases in Contact the installer. the cabinet. Exhaust Fan Activated Alarm High concentration of combustible gases in the cabinet.
Page 95: Operation And Maintenance
CM2 Series OPERATION AND MAINTENANCE...
Page 96: General Safety Instructions
CM2 Series 11.1. General safety instructions WARNING • Danger of high voltage! • After the system is shut down, wait for at least five minutes to let the energy storage capacitors discharge completely before you open the cabinet door for any maintenance operations.
Page 97: Battery Safety Instructions
CM2 Series 11.1.1. Battery safety instructions DANGER A short circuit in a battery pack can generate an instantaneous large current and release a significant amount of energy, which poses serious risks including personal injury and property damage. When performing maintenance operations on the battery packs: Use high-quality electrical (insulating) tape to wrap any exposed cable terminals on the battery ⚫...
Page 98: Maintenance Items Every Three Months
CM2 Series 11.2.1. Maintenance items every three months Take the following maintenance operations at least once every three months: Item Method • Safety functions Press the emergency shutdown button to confirm that the system immediately stops all operations and cuts off power.
Page 99: Maintenance Items Every Six Months
CM2 Series 11.2.2. Maintenance items every six months Take the following maintenance operations at least once every six months: Item Method Cabinet exterior Inspect the cabinet for the following situations. If found, take necessary actions or contact the service engineers: •...
Page 100: Maintenance Items Once A Year
CM2 Series • Observe if the fans are operating normally, checking for any blockages. • Listening for abnormal noises while the fans are running. Liquid cooling system After the system runs for five years, check the pH level of the coolant. Replace the coolant if the pH level is high.
Page 101: Dust Filter Maintenance
CM2 Series ⚫ When the grid connection is not available, turn the PCS DC switch to the OFF position. It allows the system to stay at the low-power state to avoid battery over-discharge. 11.4. Dust filter maintenance Clean or change the dust filter inside the cabinet every six months.
Page 102: Repainting
CM2 Series 11.6. Repainting NOTICE • Regularly inspect the protective paint on the storage cabinet for obvious peeling or cracking. Follow the instructions to repaint the cabinet in different conditions. • Respray the exterior of the whole storage cabinet with special protective paint every five years.
Page 103 CM2 Series Condition 3: The primer damage has exposed the substrate of the cabinet. Illustration Maintenance Procedure Use sandpaper to polish the areas of the surface where the paint is rough or scratched, ensuring the surface becomes smooth. Use a wet cloth dampened with water or 97% alcohol to clean the surface.
Page 104 CM2 Series...
Page 105: Product Specification
CM2 Series PRODUCT SPECIFICATION...
Page 106 CM2 Series System parameters Model CM2-99.9K-261 CM2-125K-261 Parameter Battery Parameters Cell Type LFP 3.2V/314Ah System Configuration 260S1P Rated Energy [kWh] Rated Battery Voltage [V] Voltage Range [V] 728-936 Number of Battery Packs Depth of Discharge [%] 0-100 Charge/Discharge Rate [C]...
Page 107 CM2 Series Model CM2-99.9K-261 CM2-125K-261 Parameter Grid Code CEI-021, CEI-016, EN50549-1, EN50549-2 Safety Standard and EMC IEC 62619, IEC 62477-1, IEC 61000-6-2, IEC 61000-6-4, UN 38.3 Battery pack parameters Model Y52 2.0 Parameter Round Trip Efficiency [%] >90@0.25C, >88@0.5C Key Components...
Page 108 CM2 Series...
Page 109: Appendix
CM2 Series APPENDIX...
Page 110: Recycling And Disposal
Call for assistance: For SAJ support telephone numbers, see https://www.saj-electric.com/locations your region support details. Head Quarter: Guangzhou Sanjing Electric Co., LTD. Address: SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. Tel: +86 20 6660 8588 E-mail: service@saj-electric.com Website: https://www.saj-electric.com/...
Page 111 CM2 Series GUANGZHOU SANJING ELECTRIC CO.,LTD Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com Add: SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China V0.0...

This manual is also suitable for:

Cm2-99.9k-261 Cm2-125k-261

SAJ CM2 Series User Manual

Quick Links

Need help?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for SAJ CM2 Series

Summary of Contents for SAJ CM2 Series

This manual is also suitable for:

Table of Contents