SAJ Suntrio Plus Series User Manual
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SAJ Suntrio Plus Series User Manual

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Suntrio Plus Series
User Manual
SAJ Solar Inverter
Suntrio Plus Series
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Summary of Contents for SAJ Suntrio Plus Series

  • Page 1 Suntrio Plus Series User Manual SAJ Solar Inverter Suntrio Plus Series www.saj-electric.com - 0 -...
  • Page 2 Suntrio Plus Series Preface Thank you for choosing a SAJ solar inverter. We are pleased to provide you with 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

    Suntrio Plus Series Content Preface ..................- 1 - Chapter 1 Safety Precautions ........... - 4 - 1.1 Scope of Application ..............- 4 - 1.2 Safety Instructions ..............- 4 - 1.3 Target Group ................- 5 - Chapter 2 Preparation ............... - 6 - 2.1 Safety Instructions ..............
  • Page 4 Chapter 7 Fault Code and Troubleshooting ......- 42 - Chapter 8 Recycling and Disposal .......... - 45 - Chapter 9 Guarantee Service ..........- 46 - Chapter 10 Contact SAJ ............- 47 - SAJ Warranty Policy ..............- 48 - Warranty Card ................- 52 -...

  • Page 5: Chapter 1 Safety Precautions

    Suntrio Plus Series 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 grid-tied inverters: Suntrio Plus 4K; Suntrio Plus 5K; Suntrio Plus 6K;...

  • Page 6: Target Group

    Suntrio Plus Series 1.3 Target Group Only qualified electricians who have read and fully understood all safety regulations contained in this manual can install, maintain and repair the inverter. Operators must be aware of the high-voltage device. - 5 -...

  • Page 7: Chapter 2 Preparation

    SAJ is not responsible for the loss and these warranty claims. · The SAJ inverter must only be operated with PV generator. Do not connect any other source of energy to the SAJ inverter.
  • Page 8 Suntrio Plus Series · Risk of damage due to improper modifications. NOTICE · Public utility only · The PV 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.

  • Page 9: 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. - 8 -...

  • Page 10: Chapter 3 Product Information

    Suntrio Plus Series Chapter 3 Product Information 3.1 Application Scope of Products Suntrio Plus series product is grid-tied single phase inverter without transformer, and the inverter is the important component of grid-tied solar power system. The Suntrio Plus inverter converts the DC power generated by solar panels into AC power which is in accordance with the requirements of public grid, and send the AC power into grid, Table 3.1 shows the structural diagram of...

  • Page 11: Specification For Product Model

    Suntrio Plus Series 3.2 Specification for Product Model Suntrio Plus XK ① ② ① Suntrio Plus represents for product name. ② XK represents rated power of inverter, for example 5K means 5kW. 3.3 Overview and Dimensions of products The dimensions of Sununo Plus series products is shown in Figure 3.2.

  • Page 12: Datasheet

    Suntrio Plus Series 3.4 Datasheet Suntrio Plus 4K/5K/6K/8K/10K Suntrio Suntrio Suntrio Suntrio Suntrio Type Plus 4K Plus 5K Plus 6K Plus 8K Plus 10K Input (DC) Recommended accessed DC 4840 6050 7260 9680 12000 power Max. DC Voltage [V] 1000...
  • Page 13 Suntrio Plus Series Efficiency Max. Efficiency 97.8% 97.8% 97.8% 98.0% 98.0% Euro Efficiency (at 600Vdc) 97.0% 97.2% 97.4% 97.5% 97.6% MPPT Accuracy >99.5% Protection Internal Over-voltage Integrated Protection DC Insulation Monitoring Integrated DCI Monitoring Integrated GFCI Monitoring Integrated Grid Monitoring...

  • Page 14: Chapter 4 Instructions For Installation

    · The installation site must have good ventilation condition. 4.2 Pre-installation Check 4.2.1 Check the Package Although SAJ’s inverters have surpassed stringent testing and are checked before leaving factory, it is still possible that the inverters may suffer damages during transportation. Please check the package for any obvious signs of damage, and if such evidence is present, do not open the package and contact your dealer as soon as possible.

  • Page 15: The Determination Of The Installation Method And Position

    Suntrio Plus Series 4.2.2 Check the Assembly Parts Please refer to the Packing List inside the package container. 4.3 The Determination of the Installation Method and Position 4.3.1 Mounting Method Please mount the inverter correctly as shown in Figure4.1 below.
  • Page 16 （-13° F ～ 140° F） to ensure optimum operation. Choose locations with sufficient air exchange. Ensure additional ventilation, if necessary. To make sure the installation spot is suitably ventilated, if multiple SAJ grid-tied solar inverters are installed in the same area, the following safety clearance in Figure4.2 shall be followed for appropriate ventilation conditions.

  • Page 17: Mounting Procedure

    Suntrio Plus Series 4.4 Mounting Procedure 4.4.1 Mark the Positions of the Drill Holes of the Rear Panel The position of the drill holes can be determined by using rear panel. See Figure 4.3 below: Figure 4.3 Dimensions of rear panel 4.4.2 Drill Holes and Place the Expansion Tubes...
  • Page 18 Suntrio Plus Series 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 4.5. Figure 4.5 Mount the rear panel 4.4.4 Mount the Inverter Carefully mount the inverter to the rear panel. Make sure that the rear part of the equipment is closely mounted to the rear panel.

  • Page 19: Chapter 5 Electrical Connection

    Suntrio Plus Series Chapter 5 Electrical Connection 5.1 Safety Instruction for Hot-line Job Electrical connection must only be operated 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 20: Specifications For Electrical Interface

    Suntrio Plus Series 5.2 Specifications for Electrical Interface Figure 5.1 Electrical interface Code Name DC Input DC Switch RS232/Wi-Fi Port RS485 Port AC Quick-connect Terminal Table 5.1 Specifications for interface 5.3 AC Side Connection Cross-sectional Area of Cables（mm² ） Outside Diameter of the Cables（mm）...
  • Page 21 Suntrio Plus Series 5.3.1 Feed the AC Cable through the AC Waterproof hole. Figure 5.2 Feed the cables 5.3.2 Connect the cables according to connection marks of L1, L2, L3, N and PE. Figure 5.3 Connect the cables 5.3.3 Secure all Parts of the AC Connector Tightly.

  • Page 22: Dc Side Connection

    Suntrio Plus Series 5.3.4 Plug in the AC connector to the equipment securely, ensuring the pins are connected directly. Then the connection of AC cable is complete. Figure 5.5 Connect the inverter 5.4 DC Side Connection Cross-sectional Area of Cables（mm² ）...
  • Page 23 Suntrio Plus Series 1. Insulated Enclosure 2. Lock Screw 3. Negative Connector Figure 5.7 Negative connector NOTICE · Please place the connector separately after unpacking in order to avoid confusion for connection of cables. · Please connect the positive connector to the positive side of the solar panels, and connect the negative connector to the negative side of the solar side.
  • Page 24 Suntrio Plus Series （3）Feed the positive and negative cables into corresponding lock screws. （4）Put the metal positive and negative terminals into positive cable and negative cable whose insulated enclosure has been stripped, and crimp them tightly with a wire crimper. Make sure that the withdrawal force of the pressed cable is bigger than 400N.

  • Page 25: External Ac Circuit Breaker And Residual Current Device

    Suntrio Plus Series 5.5 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. The inverter is integrated with a RCMU, however, an external RCD is needed to protect the system from tripping, type A RCD is compatible with the inverter.
  • Page 26 Suntrio Plus Series Pin No. Name TXD（transmit external data） RXD（receive external data） GND（Signal Ground） Table 5.5 Instruction of nine serial port pins ①RS232 can externally connect with Wi-Fi module. For more details, please refer to the operating manual of Wi-Fi module.

  • Page 27: Chapter 6 Debugging Instructions

    Suntrio Plus Series Figure 5.11 3 Ports connector Number of connector Color of cable Metal-shielded wire Table 5.6 RS485 assembly sequence of RS485 Chapter 6 Debugging Instructions 6.1 Introduction of Human-Computer Interface Figure 6.1 Human-computer interface - 26 -...

  • Page 28: First Run Setup

    Suntrio Plus Series Objec Description Communication light: blue light flashing = receiving data yellow light flashes = sending data Status indicator lamp: Red LED light = Fault; Green LED light = operation; when red and green light are all off, the inverter is in initializing state or countdown for grid-tie.
  • Page 29 Suntrio Plus Series About Graph Setting Run-Info Power Country Please Australia grid country Australia Belgium E-Today Barzil 0.00 kWh Demmark Finland E-Total France Luxembourg 0.00 kWh Netherland T-Today 0.0 h T-Total 0.0 h Init Grid Compliance 15-06-09 15：47 Figure 6.3 Set the country Please press the "ENT"...
  • Page 30 Suntrio Plus Series 6.2.3 LCD Menu Main Menu ◄+ENT Graph Setting Run-Info About AC-Parameters Communicate Set Self test E-Today DC-Parameters Language & Time E-Month Grid Compliance Error-Records E-Year Clear Errors Module Inform E-Total Clear Energy Exit Exit LCD Setting Factory Reset...
  • Page 31 Suntrio Plus Series 1. In the main LCD Graph Setting Run-Info About interface, press “ENT” Communicate Set Power ▶ Language & Time button, then press 1230W Grid Compliance 10.8 Clear Errors E-Today enter into “Setting”. Clear Energy 11.33 kWh LCD Setting...
  • Page 32 Run-Info ENT to enter password and Power Verify 1230W enter into country setting. Please enter E-Today Attention: Please contact 11.33 kWh SAJ if you need password. E-Total 14.35 kWh T-Today 1.7 h Cancel T-Total 4.6 h Normal E-today 11.33 kWh 15-07-09 15：47...
  • Page 33 Suntrio Plus Series 2. Press▼and then press Graph Setting Run-Info About ENT to enter into “Clear Power Fault Records”, click OK or 1230W E-Today Attention : If you click the button “Ok”, all return back. 11.33 kWh the Error records saved in the inverter will be...
  • Page 34 Verify 1230W and then enter into Factory Please enter E-Today Settings. 11.33 kWh Attention: Please contact E-Total 14.35 kWh SAJ if you need password. T-Today 1.7 h Cancel T-Total 4.6 h Normal E-today 11.33 kWh 15-07-09 15：47 3. Click OK to save the...
  • Page 35 Please enter E-Today and then enter into Reset 11.33 kWh Password. E-Total 14.35 kWh Attention: Please contact T-Today SAJ if you need password. 1.7 h Cancel T-Total 4.6 h Normal E-today 11.33 kWh 15-07-09 15：47 3. Enter the new password...
  • Page 36 Suntrio Plus Series 6.2.5 Inquiry of Parameters of Inverter 1. Inquiry of Operating Parameters 1. In the main LCD interface, Graph Setting Run-Info About ▶ press “ENT” button, then press AC-Parameters Power DC-Parameters 1230W Error-Records 10.8 to enter into “Parameters”.
  • Page 37 Suntrio Plus Series Press “◄”and“ENT” at the same time to enter Self About Graph Setting Run-Info Test. Ovp（59.S2）test Power 1230W Ovp10（59.S1）test Note:1.This setting only Uvp（27.S1）test E-Today 11.33 kWh Uvp2（27.S2）test E-Total appears when the grid Ofp（81>.S1）test 14.35 kWh Ofp2（81>.S2）test T-Today Ufp（81<.S1）test compliance selects Italy.
  • Page 38 Suntrio Plus Series 3.When Self-Test is Graph Setting Run-Info About Power completed, results will pop up 1230W E-Today automatically. You can also 11.33 kWh E-Total select “View Results” and 14.35 kWh T-Today press “ENT” to see the results. 1.7 h T-Total Note: Select “NEXT”...
  • Page 39 Suntrio Plus Series Press “▼” button, select Graph Setting Run-Info About “Uvp2（27.S2）test” and Power 1230W press “ENT” button to enter E-Today into setting. 11.33 kWh Note: Follow the operation E-Total 14.35 kWh steps in item 1 to start test T-Today 1.7 h...
  • Page 40 Suntrio Plus Series Press “▼” button, select About Graph Setting Run-Info “Ufp2（81<.S2）test” and Ovp（59.S2）test Power 1230W Ovp10（59.S1）test press “ENT” button to enter Uvp（27.S1）test E-Today into setting. 11.33 kWh Uvp2（27.S2）test Note: Follow the operation E-Total Ofp（81>.S1）test 14.35 kWh Ofp2（81>.S2）test steps in item 1 to start test T-Today Ufp（81<.S1）test...
  • Page 41 Suntrio Plus Series Graph Setting Run-Info About Power 1230W E-Today 11.33 kWh E-Total 14.35 kWh T-Today 1.7 h Next Return T-Total 4.6 h Normal E-Today 11.33 kWh 18-11-09 15：47 - 40 -...

  • Page 42: Monitoring Operation

    APP (please download the mobile APP from SAJ official website) remotely. Users can apply a Modbus protocol through RS485 together with a SAJ Logger to monitor the data of the inverter. For detailed operation please refer to the SAJ Logger User Manual.

  • Page 43: Chapter 7 Fault Code And Troubleshooting

    Suntrio Plus Series Chapter 7 Fault Code and Troubleshooting LCD displays Fault codes as shown in the table below: Error Code Explanation Relay Error Master Storer Error Master High Temperature Master Low Temperature Master Lost Interior Communication Master GFCI Devices Error Master...
  • Page 44 Check whether the radiator is blocked, whether the inverter is in Temperature High too high or too low temperature, if the above mentioned are in Error normal, please contact your distributor or phone SAJ. If this error occurs frequently, please contact your distributor or GFCI Device Error phone SAJ.
  • Page 45 Current High mentioned are in normal, please contact your distributor or phone SAJ. Check the settings of the solar panel. SAJ’s system design Bus Voltage High software can help you.If the above mentioned are in normal, please contact your distributor or phone SAJ.

  • Page 46: Chapter 8 Recycling And Disposal

    Suntrio Plus Series Chapter 8 Recycling and Disposal This device should not be disposed as residential waste. An Inverter that has reached the end of its life and is not required is to be returned to your dealer or you must find an approved collection and recycling facility in your area.

  • Page 47: Chapter 9 Guarantee Service

    Suntrio Plus Series Chapter 9 Guarantee Service Please refer to the warranty card. - 46 -...

  • Page 48: Chapter 10 Contact Saj

    Suntrio Plus Series Chapter 10 Contact SAJ Guangzhou Sanjing Electric Co., Ltd. SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. Postcode: 510663 Web: http: //www.saj-electric.com Technical Support & Service Tel: +86 20 6660 8588 Fax: +86 20 6660 8589 E-mail: service@saj-electric.com...

  • Page 49: Saj Warranty Policy

    Series inverters and Sununo Plus Series inverters & Suntrio Plus Series inverters) should extend the warranty period in 18 months from the date of settlement or 30 months from the date of shipment from SAJ by providing the serial number of the unit and purchased receipt (whichever is shorter). You...
  • Page 50 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.Product Model No.(e.g.
  • Page 51 Suntrio Plus Series Service after warranty expiration If the inverters for maintenance are out of warranty, SAJ charges an on-site service fee, parts, labor cost and logistic fee to end-user. Detailed standard refers to the listed table. Return Factory Item...
  • Page 52 Suntrio Plus Series authorized by SAJ for the following investigation): ◆ “Warranty Card” not being sent back to Distributor/Dealer or SAJ; ◆ Product modified, parts replaced or attempt to maintain; ◆ Changes, or attempted repairs and erasing of series number or seals by non SAJ technician;...

  • Page 53: Warranty Card

    Suntrio Plus 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...
  • Page 54 Suntrio Plus 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: - 53 -...
  • Page 55 Suntrio Plus Series Guangzhou Sanjing Electric CO., LTD. ADD: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China Zip: 510663 Tel: +86 20 6660 8588 Fax: 020-6660 8589 Web: http: //www.saj-electric.com Edition No. V0.0 *Due to the continuous improvement of products, technical parameters in this manual are modified without prior notice.

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