SAJ Suntrio Plus 15K User Manual
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SAJ Suntrio Plus 15K User Manual

Solar inverter
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Suntrio Plus Series
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  • Page 1 User Manual SAJ Solar Inverter Suntrio Plus Series www.saj-electric.com...

  • Page 2: Preface

    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 - Content....................- 2 - 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..................- 6 - 2.2 Explanations of Symbols................
  • Page 4 Chapter 7 Fault Code and Troubleshooting........- 43 - Chapter 8 Recycling and Disposal............. - 46 - Chapter 9 Guarantee Service.............. - 47 - Chapter 10 Contact SAJ..............- 48 - SAJ Warranty Policy................- 49 - Warranty Card..................- 53 -...

  • 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 12K; Suntrio Plus 15K; Suntrio Plus 17K;...

  • 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

    ·Any unauthorized actions including modification of product functionality of any form may cause lethal hazard to the operator, third parties, the units or their property. SAJ is not responsible for the loss and these warranty claims.
  • Page 8 Suntrio Plus Series 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. - 7 -...

  • Page 9: Explanations Of Symbols

    Suntrio Plus Series 2.2 Explanations of Symbols Symbol Description Dangerous electrical voltage This device is directly connected to public grid, thus all work to the inverter shall only be carried out by qualified personnel. DANGER to life due to high electrical voltage! There might be residual currents in inverter because of large capacitors.
  • Page 10 Suntrio Plus Series 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. - 9 -...

  • Page 11: Chapter 3 Product Information

    Suntrio Plus Series Chapter 3 Product Information 3.1 Application Scope of Products Suntrio Plus series products are grid-tied three phase inverters without transformers, and the inverters are important components of grid-tied solar power systems. The Suntrio Plus inverters change 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, Table 3.1 shows the structural diagram of the typical application system of Suntrio Plus inverters.

  • Page 12: Specification For Product Model

    Suntrio Plus Series 3.2 Specification for Product Model Suntrio Plus XK ② ① Suntrio Plus represents for product name. ② XK represents rated power XkW of inverter, for example 12K means 12kW. 3.3 Overview of products Figure 3.2 Overview of Suntrio Plus 12K/15K/17K/20K Figure 3.3 Overview of Suntrio Plus 25K/33K - 11 -...
  • Page 13 Suntrio Plus Series Figure 3.4 Overview of Suntrio Plus 40K/50K/60K - 12 -...

  • Page 14: Datasheet

    Suntrio Plus Series 3.4 Datasheet Sunttrio Plus 12K/15K/17K/20K Suntrio Plus Suntrio Plus Suntrio Plus Suntrio Plus Type Input (DC) Max. DC Power [W] 14520 18150 20570 24200 Max. DC Voltage [V] 1000 MPPT Voltage Range [V] 180-900 Nominal DC Voltage [V] Start Voltage[V] Min.
  • Page 15 Suntrio Plus Series AC Surge Protection Ⅲ（Integrated），Ⅱ（Optional） Low Voltage Ride Through Integrated String Current Monitoring Integrated Anti-PID Module Optional DC Fuse Optional DC Surge Protection Ⅱ（Optional） Anti-island protection monitoring Interface DC Connection MC4/H4 AC Connection Terminal Block LCD Display 3.5 inch Graphic LCD Display Display Language English Communication Port...
  • Page 16 Suntrio Plus Series Sunttrio Plus 25K/33K/40K/50K/60K Suntrio Plus Suntrio Plus Suntrio Plus Suntrio Plus Suntrio Plus Type Input (DC) Max. DC Power [W] 30300 36300 48400 60500 72000 Max. DC Voltage [V] 1000 180-900 280-900 MPPT Voltage Range [V] Nominal DC Voltage [V] Start Voltage[V] Min.
  • Page 17 Suntrio Plus Series String Current Monitoring Integrated Anti-PID Module Optional DC Fuse Optional DC Surge Protection Ⅱ（Integrated） Anti-island protection monitoring Interface DC Connection MC4/H4 AC Connection Terminal Block LCD Display 3.5 inch Graphic LCD Display Display Language English Communication Port 2*RS485+1*RS232 Communication Mode Wi-Fi/GPRS/Ethernet (Optional)

  • Page 18: 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 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 19: The Determination Of The Installation Method And Position

    +60°C （-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 20 Suntrio Plus Series 30CM 50CM 50CM 80cm 80cm 80cm 30cm 30cm 80cm 80cm Figure 4.2 Minimum Clearance - 19 -...

  • Page 21: 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. Figure 4.3 Dimensions of Rear Panel Suntrio Plus 12K/15K/17K/20K 279.6 200.4 Figure 4.4 Dimensions of Rear Panel Suntrio Plus 25K/33K...
  • Page 22 Suntrio Plus Series ∅ 8 Figure 4.5 Dimensions of Rear Panel Suntrio Plus 40K/50K/60K 4.4.2 Drill Holes and Place the Expansion Tubes According to the guides, drill 3 holes in the wall as shown in Figure 4.6、4.7、4.8 (in conformity with position marked in the above mentioned figure), and then place expansion tubes in the holes using a rubber mallet.
  • Page 23 Suntrio Plus Series Figure 4.7 Drill Holes Suntrio Plus 25K/33K Figure 4.8 Drill Holes Suntrio Plus 40K/50K/60K - 22 -...
  • Page 24 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 4.9. Figure 4.9 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 25: 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 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 26: Specifications For Electrical Interface

    Ground Connecting port DC Switch 5.3 AC Side Connection Recommended copper cable Type cross section area（mm²） external diameter（mm） Suntrio Plus 12K 4×6+1×4 15.6 Suntrio Plus 15K/17K/20K 4×10+1×6 18.1 Suntrio Plus 25K/33K 4×16+1×10 20.8 Suntrio Plus 40K/50K/60K 4×35+1×16 27.1 Table 5.2 Recommended Specifications of AC Cables...
  • Page 27 Suntrio Plus Series 5.3.1 Open the lid of installion area. Figure 5.2 open cover There are some optional functons can be added into the inverter,such as AC surge protection(Class 2),DC suege protection,Anti-PID,and DC fuses. Them are installed in the inverters before they leave the factory. 5.3.2 Feed AC cable through the AC cable hole, and connect the cable to terminals as the marks L1,L2,L3,N,PE shows.

  • Page 28: Dc Side Connection

    Suntrio Plus Series 5.3.3 Secure all parts of the AC waterproof connector tightly. Figure 5.4 Screw the Connector 5.3.4 Cover the lid and tighten the screws Figure 5.5 Cover the lid 5.4 DC Side Connection Outside Diameter of the Cross-sectional Area of Cables（mm²） Cables（mm）...
  • Page 29 Suntrio Plus Series DC connector is made up of the positive connector and the cathode connector 1. Insulated Enclosure 2. Lock Screw 3. Positive Connector Figure 5.6 Positive Connector 1. Insulated Enclosure 2. Lock Screw 3. Cathode Connector Figure 5.7 Cathode Connector NOTICE ·Please place the connector separately after unpacking in order to avoid confusion for connection of cables.
  • Page 30 Suntrio Plus Series （3）Feed the positive and cathode cables into corresponding lock screws. （4）Put the metal positive and cathode terminals into positive cable and cathode 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 31: Communication Connection

    Suntrio Plus Series 5.5 Communication Connection Suntrio Plus 12K/15K/17K/20K/25K/33K/40K/50K/60K is equipped with a RS232 and RS485 interface. Figure 5.10 Pins of Nine Serial Port Cable Table 5.5 Instruction of Nine Serial Port Pins Pin No. Name DCD（Data Carrier Detect） RxD（Received Data） TxD（Transmitted Ready）...
  • Page 32 Suntrio Plus Series connecting the inverter with RS485 cable. Each connection port should be attached to the connector as shown in Figure 5.11 and Table 5.4. Make sure the connection is tight and secure. Figure 5.11 3 Ports connector Table 5.4 RS485 Assembly Sequence of RS485 Number of connector Color of cable Metal-shielded wire...

  • Page 33: Chapter 6 Debugging Instructions

    Suntrio Plus Series Chapter 6 Debugging Instructions 6.1 Introduction of Human-computer Interface Figure 6.1 Human-computer Interface Object 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 34: First Run Setup

    Suntrio Plus Series 6.2 First Run Setup 6.2.1 Set the Country When the solar inverter begins to run for the first time, please configure the time of usage, and the inverter LCD will display as below: Figure 6.2 Set the Time Users can press Up, Down, Left, Right and ENT buttons to set local time and confirm the selection.Then the inverter will display the interface for country selection as shown in Figure 6.3:...
  • Page 35 Suntrio Plus Series 6.2.2 State If the country has been set the LCD shows the machine type when the inverter is started up, then it automatically displays the inverter operation status: Initialization, Normal,Wait, Fault or Update. Data name Explanation Initialization Initialization of the system Normal The inverter in normal (function) operation...
  • Page 36 Suntrio Plus Series 6.2.4 Settings of General Parameters of the Inverter LCD Display Operation Steps 1. Settings of figures In the main LCD interface, press “ENT” button to enter into the selection of “Graph”, press or to select. The LCD displays daily, monthly, yearly and gross generating capacity.
  • Page 37 1. In the main LCD interface, press “ENT” button, then press to enter into “Setting”. 2. Press▼and then press ENT to enter password and enter into country setting. Attention: Please contact SAJ if you need password. - 36 -...
  • Page 38 Suntrio Plus Series 3. Press▲and▼to select country, Then click OK to save the changes. 1. In the main LCD interface, press “ENT” button, then press Graph Setting Run-Info About Communicate Set Power ▶ to enter into “Setting”. Language & Time 1230W Grid Compliance 33.3...
  • Page 39 Suntrio Plus Series 2. Press▼and then press ENT to enter into “Clear Energy”, click OK or return back. 1. In the main LCD interface, Graph Setting Run-Info About press “ENT” button, then press Communicate Set Power Language & Time 1230W ▶...
  • Page 40 Suntrio Plus Series 2. Press▼and then press ENT to enter password, and then enter into Factory Settings. Attention: Please contact SAJ if you need password. 3. Click OK to save the changes. 1. In the main LCD interface, Graph Setting...
  • Page 41 Suntrio Plus Series 3. Enter the new password and click OK to save the change. 1. In the main LCD interface, Graph Setting Run-Info About press “ENT” button, then press Communicate Set Power Language & Time 1230W ▶ to enter into “Setting”. Grid Compliance 33.3 29.6...
  • Page 42 Suntrio Plus Series 6.2.5 Inquiry of Parameters of Inverter 1. Inquiry of Operating Parameters 1. In the main LCD interface, press About Graph Setting Run-Info “ENT” button, then press ▶ to AC-Parameter Power DC-Parameters enter into “Parameters”. 1230W Error-Records 33.3 Module-Inform 29.6 E-Today...

  • Page 43: 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 44: 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 DCI Devices Error Master Current Sensor Master 09/11/13...
  • Page 45 Check whether the radiator is blocked, whether the inverter is in too Temperature High high or too low temperature, if the above mentioned are in normal, Error please contact your distributor or phone SAJ. If this error occurs frequently, please contact your distributor or GFCI Device Error phone SAJ.
  • Page 46 Suntrio Plus Series still in this error, please contact your distributor or phone SAJ. Check the set of country and check the frequency of the local grid, if Frequency Error the above mentioned are in normal, please contact your distributor or phone SAJ.

  • Page 47: 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 48: Chapter 9 Guarantee Service

    Suntrio Plus Series Chapter 9 Guarantee Service Please refer to the warranty card. - 47 -...

  • Page 49: 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 50: Saj Warranty Policy

    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 can purchase the warranty extension for 10 years, 15 years, 20 years or 25 years but do not apply the extension beyond the specified date, or else your application will be unacceptable.
  • Page 51 Suntrio Plus Series 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. Suntrio Plus 20K) and serial number.
  • Page 52 (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. 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...
  • Page 53 ◆ Improper use or misuse of the inverter; ◆ Insufficient ventilation of the inverter; ◆ Influence of foreign objects and force majeure (lightning, grid overvoltage, severe weather, fire, etc.) ◆ For further information on SAJ warranty regulation and reliability, please visit our website: www.saj-electric.com. - 52 -...

  • Page 54: 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 55 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: - 54 -...
  • Page 56 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: +86 20 6660 8589 Web: http: //www.saj-electric.com Edition No: V1.01...

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