SAJ R5-3K-T2 User Manual
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SAJ R5-3K-T2 User Manual

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Summary of Contents for SAJ R5-3K-T2

  • Page 1 Series - 1 -...
  • Page 2 Series Preface Thank you for choosing SAJ solar inverter. We are pleased to provide you first-class products and exceptional service. This manual includes information for installation, operation, maintenance, trouble shooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and wholehearted service.

  • Page 3: Table Of Contents

    Series Content PREFACE ..........- 1 - CHAPTER 1 SAFETY PRECAUTIONS ....- 4 - ........- 4 - 1.1 S COPE OF PPLICATION ........- 4 - 1.2 S AFETY NSTRUCTIONS ........... - 4 - 1.3 T ARGET ROUP CHAPTER 2 PREPARATION ......
  • Page 4 NVERTER LEANING ........- 52 - LEANING CHAPTER 9 RECYCLING AND DISPOSAL ..... - 53 - CHAPTER 10 CONTACT SAJ ......- 53 - SAJ WARRANTY POLICY ......- 54 - WARRANTY CARD ........- 58 - - 3 -...

  • Page 5: Chapter 1 Safety Precautions

    1.1 Scope of Application This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ on-grid inverters: R5-3K-T2; R5-4K-T2; R5-5K-T2; R5-6K-T2; R5-8K-T2; R5-9K-T2; R5-10K-T2; R5 - 1 2 K -T 2； R5- 1 3 K-T 2;...

  • Page 6: Chapter 2 Preparation

    · Do not stay close to the inverter while there are severe weather conditions including storm, lighting, etc. · Before opening the housing, the SAJ inverter must be disconnected from the grid and PV generator; you must wait for at least five minutes to let the energy storage capacitors completely discharged after disconnecting from power source.
  • Page 7 Series NOTICE · Public utility only. · The solar inverter is designed to feed AC power directly to the public utility power grid; do not connect AC output of the inverter to any private AC equipment. - 6 -...

  • Page 8: Explanations Of Symbols

    The inverter complies with the safety instructions from China's Quality Center. No unauthorized operations or modifications Any unauthorized operations or modifications are strictly forbidden, if any defect or damage (device/person) occurs, SAJ shall not take any responsibility for it. - 7 -...

  • Page 9: Chapter 3 Product Information

    Series Chapter 3 Product Information 3.1 Application Scope of Products R5-XK-TX products are grid-tied three phase inverters without transformers, and the inverters are important components of grid-tied solar power systems. The R5 inverter converts the DC generated by solar panels into AC which is in accordance with the requirements of public grid and send the AC into the grid, Figure 3.1 shows the structural diagram of the typical application system of R5 inverter.

  • Page 10: Specification For Product Model

    Series 3.2 Specification for Product Model R5 – XK – T2 ① ② ③ ① R5 represents for product name. ② XK represents rated power XkW of inverter, for example 4K means 4kW. ③ T means three phase; 2 represents the inverter has the function of dual MPPT. 3.3 Overview of products The dimensions of R5 series products is shown in Figure 3.2 , Figure 3.3 &...
  • Page 11 Series Figure 3.3 Dimensions of R5-13K/15K-T2 Figure 3.4 Dimensions of R5-17K/20K-T2 - 10 -...

  • Page 12: Datasheet

    Series 3.4 Datasheet R5-3K/4K/5K/6K-T2 R5-3K-T2 R5-4K-T2 R5-5K-T2 R5-6K-T2 Type Input (DC) Max. PV Array Power [Wp] @STC 4500 6000 7500 9000 Max. DC Voltage [V] 1100 MPPT Voltage range [V] 160-950 Nominal DC Voltage [V] Start Voltage [V] Min. DC Voltage [V] Max.
  • Page 13 Series Protection Internal Over-voltage Protection Integrated DC Insulation Monitoring Integrated DCI Monitoring Integrated GFCI Monitoring Integrated Grid Monitoring Integrated AC Short Circuit Current Protection Integrated AC Grounding Detection Integrated DC Surge Protection Integrated AC Surge Protection Integrated Thermal Protection Integrated String Current Detection Integrated Anti-island Protection Monitoring...
  • Page 14 Series CQC NB/T 32004,EN 62109-1/2,EN 61000-6-1/2/3/4 Applicable Standard EN50438,EN50549,C10/C11,IEC 62116,IEC 61727,RD 1699,UNE 206006,UNE 206007-1,CEI 0-21,G98 Manufacturing country China - 13 -...
  • Page 15 Series R5-8K/9K/10K/12K-T2 Type R5-8K-T2 R5-9K-T2 R5-10K-T2 R5-12K-T2 Input (DC) Max. PV Array Power [Wp] @STC 12000 13500 15000 15600 Max. DC Voltage [V] 1100 MPPT Voltage Range [V] 160-950 Nominal DC Voltage [V] Start Voltage [V] Min. DC Voltage [V] Max.
  • Page 16 Series DCI Monitoring Integrated GFCI Monitoring Integrated Grid Monitoring Integrated AC Short Circuit Current Protection Integrated AC Grounding Detection Integrated DC Surge Protection Integrated AC Surge Protection Integrated Thermal Protection Integrated String Current Detection Integrated Anti-island Protection Monitoring Interface AC Connection Plug-in connector DC Connection Human Machine Interface...
  • Page 17 Series R5-13K/15K/17K/20K-T2 Type R5-13K-T2 R5-15K-T2 R5-17K-T2 R5-20K-T2 Input (DC) Max. PV Array Power [Wp]@STC 19500 22500 25500 30000 Max. DC Voltage [V] 1100 MPPT Voltage Range [V] 160-950 180-950 Nominal DC Voltage [V] Start Voltage [V] Min. DC Voltage [V] Max.
  • Page 18 Series Grid Monitoring Integrated AC Short Circuit Current Protection Integrated AC Grounding Detection Integrated DC Surge Protection Integrated AC Surge Protection Integrated Thermal Protection Integrated String Current Detection Integrated Anti-island Protection Monitoring Interface AC Connection Terminal Block DC Connection Human Machine Interface LED+(Bluetooth/Wi-Fi+APP) Communication Port RS232(USB)+RS485(RJ45)

  • Page 19: Chapter 4 Instructions For Installation

    4.2 Pre-installation Check 4.2.1 Check the Package Although SAJ’s inverters have surpassed stringent testing and are checked before they leave the factory, it is uncertain that the inverters may suffer damages during transportation. Please check the package for any obvious signs of damage, and if...

  • Page 20: The Determination Of The Installation Method And Position

    Series 4.3 The Determination of the Installation Method and Position 4.3.1 Mounting Method Figure 4.1 Mounting method ① The equipment employs natural convection cooling, and it can be installed indoor or outdoor. ② Please install the equipment under the guidance of Figure 4.1. Vertical installation on floor level is recommended.

  • Page 21: Mounting Procedure

    +60° C(-40° F ～ 140° F) to ensure optimum operation. Choose locations with sufficient air exchange. Ensure additional ventilation, when necessary. To make sure the installation spot is suitably ventilated, if multiple SAJ on-grid solar inverters are installed together, the following safety clearance in Figure 4.2 shall be followed for proper ventilation conditions.
  • Page 22 Series Figure 4.3 Dimensions of rear panel of R5-3K/4K/5K/6K/8K/9K/10K/12K-T2 17.6 3-16*8 Figure 4.4 Dimensions of rear panel of R5-13K/15K-T2 17.6 3-16*8 Figure 4.5 Dimensions of rear panel of R5-17K/20K-T2 - 21 -...
  • Page 23 Series 4.4.2 Drill Holes and Place the Expansion Tubes Follow the given guides, drill 3 holes in the wall (in conformity with position marked in Figure 4.6, Figure 4.7 & Figure 4.8), and then place expansion tubes in the holes using a rubber mallet. Figure 4.6 Drill holes’...
  • Page 24 Series 比例 Figure 4.8 Drill holes’ dimensions of R5-17K/20K-T2 4.4.3 Mount the Screws and the Rear Panel The panels should be mounted in the mounting position by screws as shown in Figure 4.9. Figure 4.9 Mount the rear panel 4.4.4 Mount the Inverter Carefully mount the inverter to the rear panel as shown in Figure 4.10 and 4.11, Make sure that the rear part of the equipment is closely mounted to the rear panel.
  • Page 25 Series Figure 4.10 Mount inverter Fig. 4.11 Fasten the inverter and hanging panel with screws - 24 -...
  • Page 26 Series 4.4.5 Install Anti-theft Lock As shown in figure 4.12 & figure 4.13, anti-theft lock could be added to the inverter and hanging panel. Diameter of the lock hole is φ6.0mm and anti-theft lock of which the diameter of lock hook is φ5.0mm is recommended. Users should prepare anti-theft lock by themselves.

  • Page 27: Chapter 5 Electrical Connection

    Series Chapter 5 Electrical Connection 5.1 Safety Instruction for Hot-line Job Electrical connection must only be operated on by professional technicians. Please keep in mind that the inverter is a bi-power supply equipment. Before connection, necessary protective equipment must be employed by technicians, including insulating gloves, insulating shoes and safety helmet.

  • Page 28: Specifications For Electrical Interface

    Series 5.2 Specifications for Electrical Interface Figure 5.1 Electrical interface of R5-3K/4K/5K/6K/8K/9K/10K/12K-T2 Code Name DC Switch Decompression Valves DC Input RS232 Communication (GPRS/ Wi-Fi /4G) Ground Connection RS485 Communication AC Output Table 5.1 Specifications for interface - 27 -...
  • Page 29 Series Figure 5.2 Electrical interface of R5-13K/15K-T2 Figure 5.3 Electrical interface of R5-17K/20K-T2 - 28 -...

  • Page 30: Ac Connection

    Series Code Name DC Switch Decompression Valves DC Input RS232 Communication(GPRS/ Wi-Fi /4G) RS485 Communication Ground Connection AC Output Table 5.2 Specifications for interface 5.3 AC Connection Cross-sectional area of cables（mm² ） External diameter（mm） Scope Recommended value 6.0-10.0 5.3~6.7 Table 5.3 Recommended power grid connecting cable specification If the grid-connection distance is too far, please select an AC cable with larger diameter as per the actual condition.
  • Page 31 Series 5.4 Inverter ground protection This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an Earth Fault Alarm occurs, the second LED indicator will be lit up and error code <31 Insulation Error Master> will be displayed on the screen of inverter Wi-Fi communication module until the error being solved and inverter functioning properly.
  • Page 32 Series connected directly. Then the connection of AC cable is completed. Figure 5.8 Connect the inverter 5.3.2 R5-13K~20K-T2 AC side electrical connection of the inverter. After penetrating the external hex head screw through OT Ground terminal of the grounding line, screw in the grounding port of inverter enclosure in clockwise direction and make sure it is screwed up tightly.
  • Page 33 Series Fig. 5.10 Connecting the cable 3. After fixing the cover at the AC output wire terminal with screws, tighten up the AC waterproof nut. Fig. 5.11 Tighten up AC interface protective cover and the locker 5.3.3 External AC Circuit Breaker and Residual Current Device Please install a 4P circuit breaker to ensure the inverter is able to disconnect from grid safely.

  • Page 34: Dc Side Connection

    Series needed to protect the system from tripping, either type A or type AB RCD are compatible with the inverter. The integrated leakage current detector of inverter is able to detect the real time external current leakage. When a leakage current detected exceeds the limitation the inverter will be disconnected from grid quickly, if an external leakage current device is connected, the action current should be 300mA or higher.
  • Page 35 Series 1. Insulated enclosure 2. Lock screw 3. Positive connector Figure 5.13 Negative connector 1. Insulated enclosure 2. Lock screw 3. Negative connector NOTICE · Please place the connector separately after unpacking in order to avoid confusion for connection of cables. ·...
  • Page 36 Series Figure 5.14 Connecting cables 3. Feed the positive and negative cables into corresponding lock screws. 4. Insert the positive and negative connectors into positive cable and negative cable whose insulated enclosure has been stripped off, and crimp them tightly with a wire crimper.

  • Page 37: Communication Connection

    Series 5.5 Communication Connection R5 inverter is standardly equipped with a RS485 interface and a RS232 interface. Figure5.16 DRM/RS485 pin Pin Number Description Function White-orange Orange GND_W White-green +7V_W Blue White-blue Green White-brown RS485-A Brown RS485-B Table 5.6 RS485 pin port definition To comply with Australian and New Zealand safety requirements, the DRMs terminals should be connected.
  • Page 38 Series REF GEN COM LOAD Table 5.7 Demand Response Modes (DRM) Mode Corresponding pins Requirement DRM0 5 & 6 The inverter is on standby mode Figure 5.16 DRM0 mode Figure5.17 RS232 pin Pin Number Description Function Power supply RS-232 TX Send data RS-232 RX Receive data...

  • Page 39: Start Up And Shut Down

    Series 1. USB interface could be externally connected with eSolar GPRS/4G module, for operation in details please refer to eSolar GPRS/4G module Quick Installation https://www.saj-electric.com/ Guide in 2. USB interface could be externally connected with eSolar WiFi module, for operation in details please refer to eSolar WiFi module Quick Installation Guide in https://www.saj-electric.com/.

  • Page 40: Chapter 6 Debugging Instructions

    Series Chapter 6 Debugging Instructions 6.1 Introduction of Human-computer Interface Figure 6.1 Human-computer interface A-Power indicator light B-System status light C-Communication lamp Indicator Description LED lamps state lamp Yellow Always light on The inverter is just on power. Flicker: 1 s/time The inverter is in the initialization or waiting state. Green Always light on The inverter is in normal on-grid state.

  • Page 41: Monitoring Operation

    Account---Please use the installer account to login. Note: For the end user, please download and install the “eSolar Air” APP and log in to the APP or SAJ official website to register your account. 6.2.2 Nearby monitoring Connecting way 1 — Bluetooth connection After installing the eSolar GPRS/4G module (with built-in Bluetooth) the mobile phone could be directly connected with the inverter via Bluetooth.
  • Page 42 Series Connection setting iOS system operation steps 1. Choose “setting” →choose “Bluetooth””→ open 2. Log in APP → choose “My” interface → choose “Bluetooth” “Remote control” → choose connection way as “Bluetooth ” 3.Choose “next step” → search for equipment → 4.
  • Page 43 Series Connection setting Android system operation steps 1. Choose “setting” → choose “Bluetooth”→ open 2. Log in APP → choose “My” interface → choose “Bluetooth” “Remote control” → choose connection way as “Bluetooth ” 3.Choose “next step” → search for equipment → 4.
  • Page 44 Series Equipment information Connection way, running state, basic information, running information, Power information and events information of the communication of the inverter could be checked. 1. Click “Basic info” Inverter model, Module SN code, Module firmware version, Communication board firmware version, Main board firmware version, Slave board firmware version could be checked.
  • Page 45 Series Fig. 6.4 Running information 3. Click “Power info” Current power, today energy, monthly energy, yearly energy, total energy could be checked. Device info Bluetooth：R5-4K-T2:00001 R5T2043G1815E00001 Basic info Event info Running info Power info Read More Current power Today Energy Monthly Energy Yearly Energy Total Energy...
  • Page 46 Series 4. Click “Event info” Time of the events, events sequence number (referring to fault codes details in Chapter 7 Fault Codes and Common Troubleshooting) and events content of the faults of the inverter could be checked. Fig. 6.6 Events information Connecting way 2 —...
  • Page 47 Series Connection setting Please refer to the eSolar WiFi module operating manual for more details in operation. Equipment information Connection way, running state, basic information, running information, Power information and events information of the communication of the inverter could be checked.

  • Page 48: Setting Reactive Power Control

    Series 6.2.3 Remote monitoring 1. Connect the internet via the eSolar GPRS/4G module, and upload the inverter data onto the server and customers could monitor running information of the inverter remotely via the eSolar Web Portal or their mobile customer terminals. 2.
  • Page 49 Series Figure 6.9 Curve for a Volt-Var control mode (AS4777 Series) Setting procedure： 1.AS4777 grid compliance has been set during production, please select corresponding grid compliance according to state regulation during installation. You can choose a state regulation compliance with your local grid via eSolar WiFi-D module or eSolar O&M APP.

  • Page 50: Chapter 7 Fault Code And Troubleshooting

    Series Chapter 7 Fault Code and Troubleshooting Error Code Explanation Relay Error Master Storer Error Master High Temperature Master Low Temperature Master Interior Communication Error Master GFCI Devices Error Master DCI Devices Error Master Current Sensor Error Master L1/L2/L3 Over Voltage Master 09/11/13 L1/L2L3 Low Voltage Master 10/12/14...
  • Page 51 Check whether the radiator is blocked, whether the inverter is High Temperature in too high or too low temperature, if the above mentioned is Error in normal, please contact your distributor or call SAJ technical support. If this error occurs frequently, please contact your distributor GFCI Device Error or call SAJ technical support.
  • Page 52 Grid Lost Error inverter and the grid, if the above mentioned are in normal, please contact your distributor or call SAJ technical support. Check the insulation resistance of the positive side and negative side of the solar panel; check whether the inverter is GFCI Error in wet environment;...

  • Page 53: Chapter 8 Routine Maintenance

    Series Fault Information Troubleshooting Check the settings of the solar panel. SAJ designer can help Over Bus Voltage you. If the above mentioned are in normal, please contact your distributor or call SAJ technical support. If this error always exists, please contact your distributor or Overcurrent call SAJ technical support.

  • Page 54: Chapter 9 Recycling And Disposal

    Chapter 10 Contact SAJ Guangzhou Sanjing Electric Co., Ltd. SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. Web: http: //www.saj-electric.com Technical Support & Service...

  • Page 55: Saj Warranty Policy

    Fax: +20 6660 8589 SAJ Warranty Policy 1.1 Standard Warranty Period Starting from the date of shipment from SAJ factory or 60 months (5 years) starting from the date of purchased invoice marked (whichever is longer). 1.2 Extension of Warranty...
  • Page 56 During the Warranty Period, SAJ covers all costs for replacing any product or parts of the product proved to be defective in design or manufacture. To claim the warranty under the warranty policy of SAJ, you need to supply us with the following information and documentation regarding the faulty inverter: 1.
  • Page 57 (hardware or software) and debugging the faulty product. ■ Logistic fee: Cost of delivery, tariff and other derived expense when defective products are sent from user to SAJ or/and repaired products are sent from SAJ to user. 1.6 Exclusion of Liability Any defect caused by the following circumstances will not be covered by the manufacturer’s warranty (the Dealers or Distributors are responsible and authorized...
  • Page 58 Series ◆ Transport damage (including scratch caused movement inside packaging during shipping).A Claim should be made directly to shipping company/insurance Company as soon as the container/packaging is unloaded and such damage is identified; ◆ Failure to follow any / all of the user manual, the installation guide and the maintenance regulations;...

  • Page 59: Warranty Card

    Series Warranty Card The installer should fill in the second form while installing the inverter. For warranty claim, please complete the below forms and send this page to SAJ attached with the Customer’s invoice. For customer to fill in Name:...
  • Page 60 Series For installer to fill in Modules used: Modules per string: No. of string: Installation company: Contractor license number: Company: City: Country: Zip: Tel: Fax: E-mail: Signature: Date: - 59 -...
  • Page 61 Series - 60 -...

This manual is also suitable for:

R5-4k-t2R5-5k-t2R5-6k-t2R5-8k-t2R5-9k-t2R5-10k-t2 ... Show all

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