SAJ R5-3.6K-S2 User Manual
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SAJ R5-3.6K-S2 User Manual

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Summary of Contents for SAJ R5-3.6K-S2

  • Page 1 Series - 1 -...

  • Page 2: Preface

    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 ........... - 5 - 1.3 T ARGET ROUP CHAPTER 2 PREPARATION ......
  • Page 4 CHAPTER 7 FAULT CODE AND TROUBLESHOOTING. - 40 - CHAPTER 8 RECYCLING AND DISPOSAL .... - 43 - CHAPTER 9 CONTACT SAJ ......- 44 - SAJ WARRANTY POLICY IN AUSTRALIA ... - 44 - WARRANTY CARD ......... - 49 - - 3 -...

  • Page 5: Chapter 1 Safety Precautions

    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-S2； R5-3.6K-S2； R5-4K-S2； R5-5K-S2； R5-6K-S2； R5-7K-S2； R5-8K-S2 Please keep this manual all time available in case of emergency.

  • Page 6: Target Group

    · 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 CAUTION · The solar inverter will become hot during operation. Please do not touch the heat sink or peripheral surface during or shortly after operation. · Risk of damage due to improper modifications. 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.

  • 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-SX products are on-grid single phase inverters without transformers, and the inverters are important components of on-grid 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 – S2 ① ② ③ ① R5 represents for product name. ② XK represents rated power XkW of inverter, for example 3K means 3kW. ③ S means single phase; 2 represents that the inverter has the function of dual MPPT.

  • Page 11: Datasheet

    Series 3.4 Datasheet R5-3K/3.6K/4K/5K/6K-S2 Type R5-3K-S2 R5-3.6K-S2 R5-4K-S2 R5-5K-S2 R5-6K-S2 Input (DC) Max. PV Array Power [Wp]@STC 3990 4788 5320 6650 7980 Max. DC Voltage [V] MPPT Voltage Range [V] 90-550 Nominal DC Voltage [V] Start Voltage [V] Min. DC Voltage [V] Max.
  • Page 12 Series 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 Anti-island protection monitoring Interface AC Connection Plug-in connector DC Connection Human Machine Interface...
  • Page 13 Series R5-7K/8K-S2 Type R5-7K-S2 R5-8K-S2 Input (DC) Max. PV Array Power [Wp]@STC 9310 10640 Max. DC Voltage [V] MPPT Voltage Range [V] 90-550 Nominal DC Voltage[V] Start Voltage [V] Min. DC Voltage [V] Max. DC Input Current [A] 25/12.5 Max. DC Short Current [A] 30/15 Number of DC Connection Sets per MPPT Number of MPPT...
  • Page 14 Series 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 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) +DRM(RJ45)

  • Page 15: 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 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 16: 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 method, 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 17: Mounting Procedure

    Series To make sure the installation spot is suitably ventilated, if multiple SAJ on-grid olar inverters are installed in the same area, the following safety clearance in Figure 4.2 shall be followed for proper ventilation conditions. 30CM 50CM 50CM 4.2 Installation position 4.4 Mounting Procedure...
  • Page 18 Series Figure 4.4 Dimensions of rear panel of R5-7K/8K-S2 4.4.2 Drill Holes and Place the Expansion Tubes According to the guides, drill 3 holes in the wall (in conformity with position marked in Figure 4.5), and then place expansion tubes in the holes using a rubber mallet.
  • Page 19 Series Figure 4.6 Mount the rear panel of R5-3K/3.6K/4K/5K/6K/7K/8K-S2 4.4.4 Mount the Inverter Carefully mount the inverter to the rear panel as shown in Figure 4.7 and 4.8, Make sure that the rear part of the equipment is closely mounted to the rear panel.
  • Page 20 Series Fig. 4.8 Fasten the inverter and hanging panel with screws 4.4.5 Install Anti-theft Lock As shown in figure 4.9, anti-theft lock could be added to the inverter and hanging panel. Diameter of the lock hole is φ6.0mm and anti-theft lock with a φ5.0mm diameter of lock hook shall be recommended.

  • Page 21: Chapter 5 Electrical Connection

    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 22: Specifications For Electrical Interface

    Series 5.2 Specifications for Electrical Interface Figure 5.1 Electrical interface of R5-3K/3.6K/4K/5K/6K-S2 Code Name DC Switch(Optional) DC Input RS232 Communication(GPRS/Wi-Fi/4G) RS485 Communication Ground Connection AC Output Decompression Valves Table 5.1 Specifications for interface - 21 -...
  • Page 23 Series Figure 5.2 Electrical interface of R5-7K/8K-S2 Code Name DC Switch(Optional) Decompression Valves DC Input RS232 Communication(GPRS/Wi-Fi/4G) RS485 Communication Ground Connection AC Output Table 5.2 Specifications for interface - 22 -...

  • Page 24: Ac Connection

    Series 5.3 AC Connection Wire cross sectional area Type External diameter（mm） recommended value/max. value（mm² ） R5-3K/3.6K/4K/5K/6K-S2 4.0 /6.0 4.2~5.3 R5-7K/8K-S2 3*8.37/3*10 15~22 Table 5.3 Recommended power grid connecting cable specification If the grid-connection distance is too far, please select AC cable with larger diameter as per the actual condition.
  • Page 25 Series Figure 5.4 Feed cable ② Connect the cables according to connection marks of L, N and PE. Figure 5.5 Connect cable ③ Screw all parts of the AC connector. Figure 5.6 Screw the connector ④ Connect the AC connector to the equipment securely, ensuring the pins are connected directly.
  • Page 26 Series 5.3.3 R5-7K/8K-S2AC Side Electrical Connection ① Screw off the screws at the AC output wire cover and take out the cover. Penetrate the AC cable of which the insulation layers has been peeled off through the AC waterproof locking screw hole of the cover. Lock L wire, N wire and PE wire tightly as per the marked connection positions on the interface board.

  • Page 27: Dc Side Connection

    Series 5.4 DC Side Connection Cross-sectional area of cables（mm² ） Outside diameter of the cables （mm） Scope Recommended value 4.0-6.0 4.2~5.3 Table5.4 Recommended specifications of DC cables DC connector is made up of the positive connector and the cathode connector Figure 5.10 Positive connector 1.
  • Page 28 Series Connecting Procedures: 1. Tighten the lock screws on positive and cathode connector. 2. Use specified strip tool to strip the insulated enclosure of the positive and cathode cables with appropriate length. 1.Positive cable 2. Cathode cable Figure 5.12 Connecting cables 3.
  • Page 29 Series 1. Connection port Figure 5.13 Connect the inverter NOTICE · Before inserting the connector into DC input terminal of the inverter, please make sure that the DC switch of the inverter is OFF. · Please use the original H4 terminal to install. - 28 -...

  • Page 30: Communication Connection

    Series 5.5 Communication Connection R5 inverter is standardly equipped with a RS485 interface, a DRM interface and a RS232 interface. Figure5.14 RS485 pin and DRM pin Pin Number Description Effect White-orange Orange GND_W White-green +7V_W Blue White-blue Green White-brown RS485-A Brown RS485-B Table 5.5 RS485 pin port definition...
  • Page 31 Series REF GEN COM LOAD Table 5.6 Demand Response Modes(DRM) Figure5.15 RS232 pin Pin Number Description Effect Power supply RS-232 TX Send data RS-232 RX Receive data Ground wire Table 5.7 USB pin port definition 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 guide.

  • Page 32: Chapter 6 Debugging Instructions

    Series Chapter 6 Debugging Instructions 6.1 Introduction of Human-computer Interface Figure 6.1 Human-computer interface A/B/C are double-color LED lamps which could show green light or red light at the same time Description LED lamps state Flicker: 3 s/time The inverter is just on power. Green Flicker:0.5 s/time The inverter is in second countdown on-grid state.

  • Page 33: 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 eSolar O&M Portal to register your account. 6.2.2 Nearby Monitoring Connecting way 1 — Bluetooth connection After installing the eSolar GPRS/4G module(with built-in Bluetooh) the mobile phone could be directly connected with the inverter via Bluetooth.
  • Page 34 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 ” Connection Please choose a connection method Bluetooth WiFi Cloud Note (1)Bluetooth is a kind local connection，...
  • Page 35 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 ” Connection Please choose a connection method Bluetooth WiFi Cloud Note (1)Bluetooth is a kind local connection，...
  • Page 36 Series Equipment information Communication information of the inverter such as connection way, running state, basic information, running information, power information and events information 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 37 Series Device info Bluetooth：R5-5K-S2:00001 R5S2502G1815E00001 Basic info Event info Running info Power info PV information Grid power information XXHz N/Hz N/Hz Battery information Fig. 6.4 Running information 3. Click “Power info” Current power, today energy, monthly energy, yearly energy and total energy could be checked.
  • Page 38 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. Device info Bluetooth：R5-5K-S2:00001 R5S2502G1815E00001 Basic info Event info...
  • Page 39 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 40 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 41: 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 Grid Over Voltage Master Grid Low Voltage Master High average voltage of 10 minutes Master Over Frequency Master...
  • Page 42 Check whether the radiator is blocked, whether the inverter is High Temperature in too high or too low temperature. If the above mentioned are 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 43 Overcurrent above mentioned are in normal, please contact your distributor or call SAJ technical support. 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.

  • Page 44: Chapter 8 Recycling And Disposal

    Series Fault Information Troubleshooting control board and display board. If the above mentioned are in normal, please contact your distributor or call SAJ technical support. Check if connection of the AC output grounding terminal is Null line-to-earth stable and reliable. If the condition as above is normal, voltage fault please contact your distributor or call SAJ technical support.

  • Page 45: Chapter 9 Contact Saj

    Series Chapter 9 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 Tel:+86 20 6660 8588 Fax:+86 20 6660 8589 E-mail: service@saj-electric.com International Sales...

  • Page 46: Saj Warranty Policy In Australia

    66 months (5.5 years) for the R5 series, Sununo Plus series, Suntrio Plus series, Sunfree hybrid series, AC-coupled inverters, 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).
  • Page 47 You will not receive a new certificate, as your entitlement is documented at SAJ. While the original model stop producing or out of stock, SAJ will provide new model type of inverter or an equivalent value product.
  • Page 48 (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 49  Any out-of-pocket costs incurred by Installer/Distributor or compensation from electricity production loss are not borne by SAJ in the standard warranty; For further information on SAJ warranty regulation and reliability, please visit our website: www.saj-electric.com.

  • Page 50: 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 51 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: - 50 -...
  • Page 52 Series - 51 -...

This manual is also suitable for:

R5-3k-s2R5-4k-s2R5-7k-s2R5-8k-s2R5-5k-s2R5-6k-s2

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