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
www.saj-electric.com
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  • Page 1 Suntrio Plus Series User Manual SAJ Solar Inverter Suntrio Plus Series www.saj-electric.com - 0 -...

  • 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 ...............
  • Page 4 Chapter 7 Fault Code and Troubleshooting ......- 50 - Chapter 8 Recycling and Disposal .......... - 53 - Chapter 9 Guarantee Service ..........- 54 - Chapter 10 Contact SAJ ............- 55 - SAJ Warranty Policy ..............- 56 - Warranty Card ................- 61 -...

  • 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

    · 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 fully be discharged after disconnecting from power source.
  • 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 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...

  • Page 11: Specification For Product Model

    Suntrio Plus Series 3.2 Specification for Product Model ② Suntrio Plus XK ① Suntrio Plus represents for product name. ① 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/30K/33K...
  • Page 12 Suntrio Plus Series Figure 3.4 Overview of Suntrio Plus 40K/50K/60K - 11 -...

  • Page 13: Datasheet

    Suntrio Plus Series 3.4 Datasheet Suntrio Plus 12K/15K/17K/20K/25K Suntrio Suntrio Suntrio Suntrio Suntrio Type Plus 12K Plus 15K Plus 17K Plus 20K Plus 25K Input (DC) Max. PV ArrayPower [Wp]@STC 18000 22500 25500 26000 37500 1000 Max. DC Voltage [V]...
  • Page 14 Suntrio Plus Series Grid Monitoring Integrated Integrated AC Short Circuit Current Protection Thermal Protection Integrated Ⅱ AC Surge Protection Ⅲ(Integrated)，Ⅱ(Optional) (Integrated) Low Voltage Ride Through Integrated String Current Monitoring Integrated Anti-PID Module Optional DC Fuse Optional Ⅱ DC Surge Protection Ⅱ（Optional）...
  • Page 15 Suntrio Plus Series Suntrio Plus 30K/33K/40K/50K/60K Suntrio Suntrio Suntrio Suntrio Suntrio Type Plus 30K Plus 33K Plus 40K Plus 50K Plus 60K Input (DC) Max. PV ArrayPower [Wp]@STC 40000 40000 60000 65000 78000 1000 Max. DC Voltage [V] 180-900 280-900...
  • Page 16 Suntrio Plus Series Low Voltage Ride Through Integrated 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...

  • Page 17: 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 18: The Determination Of The Installation Method And Position

    Suntrio Plus Series 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. ① The equipment employs natural convection cooling, and it can be Figure 4.1 Mounting Method ②...
  • Page 19 Suntrio Plus Series if 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. 30CM 30CM 50CM...

  • Page 20: Mounting Procedure

    Suntrio Plus Series 4.4 Mounting Procedure 4.4.1 Mark the Positions of the Drill Holes of the Rear Panel The mounting positions should be marked as shown in Figure 4.3, Figure 4.4 and Figure 4.5. Figure 4.3 Dimensions of rear panel Suntrio Plus 12K/15K/17K/20K...
  • Page 21 Suntrio Plus Series 279.6 200.4 Figure 4.4 Dimensions of rear panel Suntrio Plus 25K/30K/33K ∅ Figure 4.5 Dimensions of rear panel Suntrio Plus 40K/50K/60K 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 and Figure 4.8), and then place expansion...
  • Page 22 Suntrio Plus Series Figure 4.6 Drill holes (Suntrio Plus 12K/15K/17K/20K) Figure 4.7 Drill holes Suntrio Plus 25K/30K/33K) - 21 -...
  • Page 23 Suntrio Plus Series 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 Figure 4.10 Mount the inverter 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 26: Specifications For Electrical Interface

    Suntrio Plus Series WARNING hen the photovoltaic array is exposed to light, it supplies a d.c voltage to the ·W inverter. NOTICE ·Electrical connection should be in conformity with proper stipulations, such as stipulations for cross-sectional area of conductors, fuse and ground protection.
  • Page 27 Suntrio Plus Series DC Switch Table 5.1 Specifications for Suntrio Plus-12/ 15/ 17/ 20K interface Figure 5.2 Suntrio Plus-25/ 33K electrical interface Code Name DC Input RS232/Wi-Fi Port Decompression valves AC output RJ45 Port Ground Connecting port DC Switch Table 5.2 Specifications for Suntrio Plus-25/ 33K interface...

  • Page 28: Ac Side Connection

    Suntrio Plus Series Figure 5.3 Suntrio Plus-40/ 50/ 60K electrical interface Code Name DC Input RS232/Wi-Fi Port Decompression valves AC output RJ45 Port Ground Connecting port DC Switch Table 5.3 Specifications for Suntrio Plus-40/ 50/ 60K interface 5.3 AC Side Connection...
  • Page 29 Suntrio Plus Series 5.3.1 Open the lid of installation area. Figure 5.4 Open cover There are some optional functions available, such as AC surge protection (Class 2), DC surge protection, Anti-PID, and DC fuses. These were integrated in the inverters before leaving the factory.
  • Page 30 Suntrio Plus Series 5.3.3 Secure all parts of the AC waterproof connector tightly. Figure 5.6 Screw the connector 5.3.4 Cover the lid and tighten the screws Figure 5.7 Cover the lid - 29 -...

  • Page 31: Dc Side Connection

    Suntrio Plus Series 5.4 DC Side Connection Outside Diameter of the Cross-sectional Area of Cables（mm²） Cables（mm） Scope Recommended Value 4.0-6.0 4.2~5.3 Table 5.5 Recommended specifications of DC cables DC connector is made up of the positive connector and the negative connector 1.
  • Page 32 Suntrio Plus Series 1.Positive Cable 2. Negative Cable Figure 5.10 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 33: Communication Connection

    Suntrio Plus Series 1. Connection Port Figure 5.11 Connect the inverter NOTICE ·Before inserting the connector into the DC input terminal of the inverter, please make sure that the DC switch of the inverter is OFF. 5.5 Communication Connection Suntrio Plus 12K/20K/25K/30K/33K/40K/50K/60K are equipped with a RJ45 interface for communication module connection.
  • Page 34 Suntrio Plus Series Figure 5.14 Ports connector Name Function GND_W Ground RS485-A Transmit RS485 signal RS485-B Table 5.8 Pins specification of RJ45 - 33 -...

  • Page 35: 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 Yellow light blinking Sending data status Blue light blinking Receiving data The inverter has Solid red detected fault The inverter is on-grid...

  • Page 36: First Run Setup

    Suntrio Plus Series E ▶ Moves the cursor to the right F(ENT) Enter into the menu, or confirm selection G▲ Moves the cursor up or increases the setting value ▼ Moves the cursor down or reduces the setting value 6.2 First Run Setup 6.2.1 Set the Country...
  • Page 37 Suntrio Plus Series button to confirm the selection. Note: The configuration of the country of usage must be set before inverter starts to run for its first time; otherwise, the inverter will not operate correctly. If users cannot locate the corresponding country, please abort the setting and contact the after sales for confirmation.
  • Page 38 Suntrio Plus Series 6.2.3 LCD Menu Main Menu Graph Setting Run-Info About AC-Parameters Communicate Set E-Today DC-Parameters Language & Time E-Month Grid Compliance Error-Records E-Year Clear Errors Module Inform Exit Clear Energy Exit Factory Reset Change Password PV Mode Setting Exit Figure 6.4 LCD Menu...
  • Page 39 Suntrio Plus Series 1. In the main LCD interface, Graph Setting Run-Info About press “ENT” button, then Communicate Set Power Language & Time 1230W press enter into Grid Compliance ▶to 33.3 Clear Errors 29.6 E-Today Clear Energy “Setting”. 25.9 11.33 kWh LCD Setting 22.2...
  • Page 40 Suntrio Plus Series 1. In the main LCD interface, Graph Setting About Run-Info press “ENT” button, then Communicate Set Power Language &Time 1230W press to enter into “Setting”. Grid Compliance 33.3 29.6 Clear Errors E-Today Clear Energy 25.9 11.33 kWh LCD Setting 22.2...
  • Page 41 Suntrio Plus Series 2. Press▼and then press About Graph Setting Run-Info ENT to enter into “Clear Fault Power Records”, click OK or return 1230W E-Today back. Attention : If you click the button “Ok”, all 11.33 kWh the Error records saved in the inverter will be...
  • Page 42 Suntrio Plus Series 2. Press▼and then press Graph Setting Run-Info About ENT to enter into “Display Power Settings”, and then press 1230W E-Today ▲and▼to change the sleep 11.33 kWh LCD Backlight Time-out : time of LCD, click OK or return...
  • Page 43 Suntrio Plus Series 1. In the main LCD interface, Graph Setting Run-Info About press “ENT” button, then Communicate Set Power Language & Time 1230W press ▶ to enter into “Setting”. Grid Compliance 33.3 29.6 Clear Error E-Today Clear Energy 25.9 11.33 kWh...
  • Page 44 Suntrio Plus Series 2.Press▼and then press ENT Graph Setting Run-Info About to enter into “PV Mode Power Setting”. Press▲and ▼to 1230W E-Today Mode Setting choose PV mode.then choose 11.33 kWh to confirm. E-Total 14.35 kWh PV Independent 1-- PV1,PV3,PV2 T-Today 1.7 h...
  • Page 45 Suntrio Plus Series 1. In the main LCD interface, About Graph Setting Run-Info press “ENT” button, then press ▶ Power to enter into “About”. 1230W 33.3 29.6 E-Today 25.9 11.33 kWh 22.2 2. Press ENT to enter into E-Total 18.5 14.35 kWh...
  • Page 46 Suntrio Plus Series 1. Select “Ovp (59.S2) test”; About Graph Setting Run-Info press “ENT” button to enter Power into setting. 1230W <Ovp（59.S2）test> E-Today 11.33 kWh Start Test E-Total 14.35 kWh View Results T-Today Return 1.7 h T-Total 4.6 h Normal E-Today 11.33 kWh...
  • Page 47 Suntrio Plus Series Press “▼” button, select Graph Setting Run-Info About “Ovp10（59.S1）test” and Ovp（59.S2）test Power 1230W press “ENT” button to enter Ovp10（59.S1）test 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 steps in item 1 to start test Ofp2（81>.S2）test...
  • Page 48 Suntrio Plus Series Press “▼” button, select Graph Setting Run-Info About “Ufp2（81>.S2）test” and Ovp（59.S2）test Power press “ENT” button to enter 1230W Ovp10（59.S1）test into setting. Uvp（27.S1）test E-Today 11.33 kWh Uvp2（27.S2）test Note: Follow the operation E-Total Ofp（81>.S1）test steps in item 1 to start test 14.35 kWh...
  • Page 49 Suntrio Plus Series the item 1 to item 8 of the autotest. 3. When test is completed, results will be viewed from item 1. Attention: 1. If any item is not tested, results will be as below: Graph Setting Run-Info...

  • Page 50: 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 51: 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 52 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 53 Current High above-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 54: Chapter 8 Recycling And Disposal

    PV Input Error Check PV mode setting is right or not. If the above-mentioned are in normal, please contact your distributor or phone SAJ. Chapter 8 Recycling and Disposal This device should not be disposed as residential waste. An Inverter that...

  • Page 55: Chapter 9 Guarantee Service

    Suntrio Plus Series Chapter 9 Guarantee Service Please refer to the warranty card. - 54 -...

  • Page 56: 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 57: 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 58 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 59 Suntrio Plus Series the closest SAJ Service Center by packing in its original package if possible. 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.
  • Page 60 (the Dealers or Distributors are responsible and 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 61 Suntrio Plus Series - 60 -...

  • Page 62: 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 63 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: - 62 -...
  • Page 64 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 *Due to the continuous improvement of products, technical parameters in this manual are modified without prior notice.

This manual is also suitable for:

Suntrio plus 12kSuntrio plus 15kSuntrio plus 17kSuntrio plus 20kSuntrio plus 25k

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