SOLIS S6 Series User Manual
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SOLIS S6 Series User Manual

Hybrid inverter
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User Manual
for S6 Series Hybrid Inverter
Applicable models
S6-EH3P12K-H
S6-EH3P15K-H
S6-EH3P20K-H
Applicable System
Three phase system
Version 1.0, Release Date: 02,2024

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  • Page 1 User Manual for S6 Series Hybrid Inverter Applicable models S6-EH3P12K-H S6-EH3P15K-H S6-EH3P20K-H Applicable System Three phase system Version 1.0, Release Date: 02,2024...

  • Page 2: Table Of Contents

    Contents 1. Introduction ……………………………………………………………………………………………………………………………… 1.1 Product Description ……………………………………………………………………………………………………………… 1.2 Packaging ………………………………………………………………………………………………………………………………… 2. Safety & Warning ……………………………………………………………………………………………………………… 2.1 Safety ………………………………………………………………………………………………………………………………………… 2.2 General Safety Instructions ………………………………………………………………………………………………… 2.3 Notice For Use ………………………………………………………………………………………………………………………… 2.4 Notice for Disposal ……………………………………………………………………………………………………………… 3. Overview …………………………………………………………………………………………………………………………………… 3.1 Intelligent LED Indicators …………………………………………………………………………………………………...

  • Page 3: Introduction

    1. Introduction User Manual 1.1 Product Description The Solis S6 Series is designed for residential hybrid systems, which can work with batteries to optimize self-consumption. The unit can operate in both off- and on-grid modes. This manual covers the Solis S6 Series inverter model listed below:...

  • Page 4: Packaging

    PV Connector x4 Dust Cover x1 CAN cable x1 CT x3 Manual User Manual x1 RJ45 connector x6 Bluetooth Antenna x1 Data Logging Stick (Optional) x1 If anything is missing, please contact your local Solis distributor. 1.3 Inverter Circuit Diagram Figure 1.3...
  • Page 5 1. Introduction User Manual 1.4 Tools Required for Installation Wire Strippers Wire Strippers Torqx T20 Screwdriver Technician Screwdriver 12AWG to 6AWG 20AWG to 10AWG LUG Crimping Tool Multimeter (AC/DC amps) Drill and Impact Driver Channel Locks Torque Screwdriver MC4 Crimping Tool...

  • Page 6: Safety & Warning

    2. Safety & Warning User Manual 2.1 Safety The following types of safety instructions and general information appear in this document as described below: DANGER: “Danger” indicates a hazardous situation which if not avoided, will result in death or serious injury. WARNING: “Warning”...
  • Page 7 Operator must put on the technicians’ gloves during the whole process in case of any electrical hazards. WARNING: AC BACKUP Port of S6 Series is not allowed to connect to the grid. WARNING: Please refer to the specification of the battery before configuration.

  • Page 8: Notice For Use

    2. Safety & Warning User Manual 2.3 Notice for Use The inverter has been constructed according to the applicable safety and technical guidelines. Use the inverter in installations that meet the following specifications ONLY: 1. Permanent installation is required. 2. The electrical installation must meet all the applicable regulations and standards. 3.

  • Page 9: Overview

    User Manual 3.1 Intelligent LED Indicators There are five indicators on the The Solis S6 Series Inverter (Battery, Power, WiFi, Ethernet and Bluetooth) which indicate the working status of the inverter. The Bluetooth antenna or WiFi datalogger shall be installed at the Antenna/COM port of the hybrid inverter before local debugging.
  • Page 10 3. Overview User Manual 3.2 System Description 3.2.1 Single system The single system consists of PV module, battery, hybrid inverter, CT or smart meter. The PV Module converts solar energy into electric energy, which is then converted by the inverter to charge the battery or power loads or feed into the grid. User can connect heat pump, existing PV plant, generator and ATS according to the actual scenario.
  • Page 11 3. Overview User Manual 3.2.2 Parallel System User can add inverters and batteries to increase capacity. The system supports up to 6 inverters in parallel. Each battery connects to the inverter with an independent CAN line and is managed by the inverter connected to it. Figure 3.2 Parallel System NOTE: CTs or Smart meter, Control signal of Heat Pump, Control signal of Generator...
  • Page 12 3. Overview User Manual Recommended S6-EH3P12K-H S6-EH3P15K-H S6-EH3P20K-H Backup single-phase Battery Capacity output power Scenarios (For example, (For example 12K) AC capacity AC capacity AC capacity 12K&Backup 2h) 1 single 24KWh 2 in parallel 24KWh*2 3 in parallel 24KWh*3 4 in parallel 24KWh*4 5 in parallel 100K...
  • Page 13 3. Overview User Manual Figure 3.3 Typical off-grid scenario diagram (Generator on Gen port) Figure 3.4 Typical off-grid scenario diagram (Generator on ATS) CAUTION: When the generator is connected, it is essential to correctly select the generator position on the APP, otherwise it may cause system failure or damage to the generator.
  • Page 14 3.2.4 System with grid-tied inverter Generally, the access of grid-tied inverter is for the retrofit of a existing PV plant. The S6 hybrid inverter support access of both Solis grid-tied inverter and third-party grid-tied inverter. 3.2.4.1 Access of third-party grid-tied inverter...
  • Page 15 3. Overview User Manual Figure 3.6 Typical on-grid AC-coupled diagram(on-grid) Third-party grid-tied inverter can be connected via AC-Gen port and AC-Backup port. With third-party grid-tied inverter connected to the system, it is recommended that: Grid-tied inverter power＜ rated AC power of S6 inverter. In on-grid scenario, when the third-party grid-tied inverter is connected, the system cannot control the output power of the third-party grid-tied inverter, so Feed-in limitation cannot be realized.
  • Page 16 3.2.4.2 Access of Solis grid-tied inverter Figure 3.7 Access of Solis grid-tied inverter NOTE: A Solis grid-tied inverter can be connected with the hybrid inverter in parallel . In order to realize feed-in limitation, it is necessary to add EPM or S3-Logger devices.

  • Page 17: Installation

    4. Installation User Manual 4.1 Select a Location for the Inverter To select a location for the inverter, the following criteria should be considered: Exposure to direct sunlight may cause output power derating. It is recommended to avoid installing the inverter in direct sunlight. It is recommended that the inverter is installed in a cooler ambient which doesn't exceed 104℉/40℃.
  • Page 18 4. Installation User Manual Install on a wall or strong structure capable of bearing the weight of the machine (24kg). Install vertically with a maximum incline of +/- 5 degrees, exceeding this may cause output power derating. To avoid overheating, always make sure the flow of air around the inverter is not blocked.

  • Page 19: Mounting The Inverter

    4. Installation User Manual 4.2 Mounting the Inverter Dimensions of mounting bracket: unit:mm Figure 4.3 Inverter wall mounting Once a suitable location has been found according to Section 4.1 and using Figure 4.3 as a guide, firmly attach the wall bracket to the wall. The inverter shall be mounted vertically.

  • Page 20: Pe Cable Installation

    4. Installation User Manual 4.3 PE Cable Installation An external ground connection is provided at the right side of inverter. Prepare OT terminals: M4. Use proper tooling to crimp the lug to the terminal. Connect the OT terminal with ground cable to the both sides of inveter. The torque is 2N.m. Grounding screw Grounding screw Figure 4.5 Connect the external grounding conductor...

  • Page 21: Pv Input Cable Installation

    4. Installation User Manual 4.4 PV Input Cable Installation Before connecting inverter, please make sure the PV array open circuit voltage is within the limit of the inverter. Before connection, please make sure the polarity of the output voltage of PV array matches the“DC+”and“DC-”symbols.
  • Page 22 4. Installation User Manual 3. Pass the stripped DC cable through the nut and waterproof rubber ring. Positive terminal Negative terminal Figure 4.8 4. Connect the wire part of the DC cable to the metal DC terminal and crimp it with the MC4 crimping tool.
  • Page 23 4. Installation User Manual 6. Measure PV voltage of DC input with multimeter, verify DC input cable polarity. Figure 4.11 7. Connect the wired DC terminal to the inverter as shown in the Figure 4.12, and a slight "click" is heard to prove the connection is correct. Click Figure 4.12 CAUTION:...

  • Page 24: Battery Cable Installation

    Figure 4.13 Battery cable connection NOTE: The battery fuse in the inverter wire box is replaceable. The replacement can only be done by a technician authorized by Solis. Fuse specification: 1000V/100A. ℃ The Max.temperature for connecting battery terminals is 105...

  • Page 25: Ac Wiring

    4. Installation User Manual 4.6 AC Wiring DANGER: Before installing the AC cables, be sure that the OCPDs (breakers) are turned off. Use a multimeter to verify that the AC voltages are 0Vac before proceeding. There are three sets of AC output terminals and the installation steps for both are the same. BACKUP GRID U V W N PE U V W N PE...

  • Page 26: Ct Connection

    4. Installation User Manual 4.7 CT Connection CAUTION: Make sure the AC cable is totally isolated from AC power before connecting the smart meter or CT. The CT provided in the product box is compulsory for hybrid system installation. It can be used to detect the grid current direction and provide the system operating condition to hybrid inverter.

  • Page 27: Inverter Communication

    User Manual 4.8 Inverter Communication 4.8.1 Communication Ports Port Port Type Description Used for Solis data logger connection Used for antenna connection for built in ANTENNA Antenna Bluetooth signal 4 hole watertight cable gland Used for RJ45 connection inside wiring box...
  • Page 28 4. Installation User Manual 4.8.2 Communication Terminals Meter Analogic DRM PAR-A PAR-B Ethernet GRID-CT GEN-CT GEN-DI/DO Figure 4.16 Communication terminals Terminal Type Description Used for Ethernet communication. Ethernet RJ45 (Optional) Parallel operation communication port. PAR-A RJ45 (Optional) Parallel operation communication port. PAR-B RJ45 Used for CAN communication between inverter and Lithium...
  • Page 29 4. Installation User Manual 4.8.3 BMS terminal connection 4.8.3.1 With lithium battery CAN communication is supported between inverter and compatible battery models. Please lead the CAN cable through the COM1 or COM2 port of the inverter and connect to the BMS terminal with RJ45 connector. NOTE: Before connecting CAN cable with the battery, please check whether the communication pin sequence of the inverter and the battery match;...
  • Page 30 4.8.5 DRM port connection (Optional) 4.8.5.1 For remote shutdown function Solis inverters support remote shutdown function to remotely control the inverter to power on and off through logic signals. The DRM port is provided with an RJ45 terminal and its Pin5 and Pin6 can be used for remote shutdown function.
  • Page 31 If a 3rd party external device or controller needs to communicate with the inverter, the RS485 port can be used. Modbus RTU protocol is supported by Solis inverters. To acquire latest protocol document, please contact Solis local service team or Solis sales. NOTE:...
  • Page 32 4. Installation User Manual 4.8.7.1 Heat Pump Control Signal Connection 12-Pin Communication Terminal Block Figure 4.19 4.8.7.2 G-V Terminal Connection The G-V terminal is a voltage-free dry contact signal for connecting with generator's NO relay to start up the generator when necessary. When generator operation is not needed, Pin3 and Pin4 is in open circuit.
  • Page 33 4. Installation User Manual 4.8.7.3 ATS240V Terminal Connection The ATS240V terminal will output 230V AC voltage when inverter is connected to the grid , when the grid is not available , it will output 0V, then the ATS will transfer to generator. 12-Pin Communication Terminal Block Figure 4.21...

  • Page 34: Inverter Remote Monitoring Connection

    The USB type COM port at the bottom of the inverter can connect to different kinds of Solis dataloggers, enabling remote monitoring through the SolisCloud platform. To install Solis data loggers, please refer to the corresponding user manuals of Solis data loggers.

  • Page 35: Commissioning & Shutdown

    5. Commissioning & Shutdown User Manual 5.1 Preparation of Commissioning Ensure that all the devices are accessible for operation, maintenance and service. Check and confirm that the inverter is firmly installed. Space for ventilation is sufficient for one inverter or multiple inverters. Nothing is left on the top of the inverter or battery module.
  • Page 36 5. Commissioning & Shutdown User Manual 5.3 Quick Settings Step 1: Connect with Bluetooth. Turn on Bluetooth switch on your mobile phone and then open the SolisCloud APP. Click “More Tools”->”Local Operation”->”Connect with Bluetooth” < Local Operation Register Register Hello, Hello, Welcome to SolisCloud Welcome to SolisCloud...
  • Page 37 5. Commissioning & Shutdown User Manual Step 4: After the log in for the first time, initial settings are required. Step 4.1: Set the inverter date and time. You can set to follow the time on your mobile phone. Step 4.2: Set the battery model. It must be based on the battery model that is actually connected to the inverter.

  • Page 38: Shutdown Procedure

    Step 6: Change password. If the owner forgot the password, please contact the installer. Installer log in and go to “Setting”->”More”->”Change Password” to reset the password for owner’s account. If the installer forgot the password, please contact Solis service team. More More...
  • Page 39 A. Self-Use Mode is activated without any specific times set for the battery to be charged/ discharged, and the battery reserve is not switched on. Note: Solis recommends activating the 'Allow Charging from Grid' option. Once the battery reaches the Forcecharge SOC, it will use the grid to charge the battery, preventing it from being deep discharged.
  • Page 40 5. Commissioning & Shutdown User Manual D. If you want to set a specific charging or discharging value on your inverter, please first press "Add time" and then choose accordingly – Charging or Discharging Times. E. In the next step, please choose the actual time range for either Force Charge or Discharge.
  • Page 41 5. Commissioning & Shutdown User Manual G. The Self-Use Mode provides you with the option to set a Battery reserve value. Please toggle the switch to activate the battery reserve mode. H. You can set a range between 20% and 100% of the battery SOC. The inverter will strive to maintain the battery at the chosen set level.
  • Page 42 5. Commissioning & Shutdown User Manual 5.5.2 Feed in Priority Mode Load priority : load>grid>battery Power supply priority: PV>battery>grid>DG This mode applies to the area that has high feed-in tariff and export control. The PV power will prioritize supplying energy to the load. Then any surplus is directed into the grid.
  • Page 43 5. Commissioning & Shutdown User Manual 5.5.3 Peak-Shaving Mode Load priority: load>battery>grid Power supply priority: PV > grid> battery >DG Supports TOU settings in this mode. This mode applies to the area where the electricity tariff is calculated according to the maximum power per unit time.
  • Page 44 5. Commissioning & Shutdown User Manual 5.5.4 Off-Grid Mode Load priority : load>battery Power supply priority: PV>battery>DG • This mode applies to the area not covered by the grid or when the system is not connected to the grid. • When a power outage is detected in a grid-tied system, the system will automatically will automatically enter in the off-grid, supplying only the backup load.
  • Page 45 5. Commissioning & Shutdown User Manual 5.7 Battery Settings The battery section of the app offers numerous options to customize the interaction between the inverter and the battery. Here, we provide explanations for the functions and features available in this section, allowing users to tailor the inverter's behavior to their specific preferences and requirements.
  • Page 46 5. Commissioning & Shutdown User Manual Example Peak Shaving setting: If the switch is enable, the power of force charging will be dynamically adjusted. Few samples to be clear: (Forcecharge Limited Power Setting=4kW) If the load=3kW,PV=0kW,P_forcecharge=P_Grid(4kW)-P_ Load(3kW)=1kW. If the load=10kW,PV=0kW,P_forcecharge=0kW,P_Grid=P_Load=10kW.
  • Page 47 5. Commissioning & Shutdown User Manual 5.8 Battery Healing Switch When the lithium battery maintains low power for a long time, the battery SOC measurement is not accurate. Battery healing function will charge the battery from low power level to battery healing SOC to ensure the healthy and stable operation of the battery.
  • Page 48 5. Commissioning & Shutdown User Manual 5.9 Battery Reserve Function Settings This function applies to the area that has frequent power outages, to ensure that the battery has enough energy to supply the loads when the grid is not available. How to set Battery Reserve Function? Supports Battery Reserve Function settings in self-use mode, feed in priority mode.
  • Page 49 5. Commissioning & Shutdown User Manual 5.10 Feed in power limit function This mode applies to the area that has export control. To restrict the export of power from the inverter, customers can utilize the internal EPM (Export Power Limit) function. Through the app, users have the flexibility to easily adjust various settings, enabling them to control the amount of power exported to the grid.
  • Page 50 5. Commissioning & Shutdown User Manual Once you activate the Feed in Power limit switch, you have the possibility to set the power limit for each phase individually. Phase A Phase B Phase C Feed in Current Limiting: In addition to limiting the power, you have also the option to limit the current only. Failsafe Switch: When this setting is enabled, the inverter will discontinue power generation if it loses communication with the external meter.
  • Page 51 5. Commissioning & Shutdown User Manual 5.11 Parallel Settings Set up a parallel system according to the following steps： A. Set the parallel mode as “Parallel”. B. Set the master inverter address ID to 1, the other slaves to 2~6. (Note: the address ID cannot be set to 0, and the physical address of the master must be 1 ) C.
  • Page 52 5. Commissioning & Shutdown User Manual 5.12 Smart port settings 5.12.1 AC Coupling setting A. Enable the ”AC Coupling Switch”. B. Choose the actual position of grid-tied inverter , “Backup port”or “Generator port”. C. Set “AC Coupling_ON_SOC” , the range is “0%~100%”, when the battery SOC drops to the set value, the grid-tied inverter start output.
  • Page 53 5. Commissioning & Shutdown User Manual 5.12.2 Generator setting A. Enable ”With Generator”. B. Set “GEN Rated power”. C. Set “GEN max charge power ”. D. Select the actual position of generator, “Grid port”or “Generator port”. E. Set “GEN_Start_SOC”and “GEN_Exit_SOC”for lithium battery. (“GEN_Start_Volt”and “GEN_Exit_Volt”...

  • Page 54: Maintenance

    6. Maintenance User Manual Solis S6 Series inverter does not require any regular maintenance. However, cleaning the heatsink will help inverter dissipating heat and increase the lifetime of inverter. The dirt on the inverter can be cleaned with a soft brush.

  • Page 55: Troubleshooting

    7. Troubleshooting User Manual Message Name Information Description Troubleshooting Suggestion 1. Turn on the device in the ON/OFF Setting. Control device to shutdown 1. Confirm whether the inverter is connected to an external EPM/meter to prevent reverse current. 2. Confirm whether the inverter is controlled The device's output is under LmtByEPM by an external third-party device.
  • Page 56 7. Troubleshooting User Manual Message Name Information Description Troubleshooting Suggestion 1. Grid side fault, restart the device. Surge Alarm On-site grid surge If it is still not eliminated, please contact the manufacturer's customer service. Grid voltage exceeds the OV-G-V01 upper voltage range Grid voltage exceeds the UN-G-V01 lower voltage range...
  • Page 57 7. Troubleshooting User Manual Message Name Information Description Troubleshooting Suggestion 1. Confirm whether the battery model selection Wrong battery brand selection BatName-FAIL is consistent with the actual one. 1. Can failure is a failure of communication between inverter and battery. Check cable conditions.
  • Page 58 7. Troubleshooting User Manual Message Name Information Description Troubleshooting Suggestion 1. Confirm that the grid is abnormal. 2. Confirm that the AC cable connection is not DCInj-FAULT The current DC component abnormal. (1037 DATA:0000) exceeds the limit 3. Restart the system, confirm that the fault continues.
  • Page 59 Please keep ready with you the following information before contacting us. 1. Serial number of Solis three phase inverter; 2. The distributor/dealer of Solis three phase inverter (if available); 3. Installation date. 4. The description of the problem together with necessary information, pictures, attachment.

  • Page 60: Specifications

    8. Specifications User Manual Technical Data S6-EH3P12K-H S6-EH3P15K-H Input DC (PV side) Recommended max. PV power 19200W 24000W Max. input voltage 1000V Rated voltage 600V Start-up voltage 160V MPPT voltage range 200-850V Full load MPPT voltage range 250-850V Max. input current 20A/20A/20A/20A Max.
  • Page 61 8. Specifications User Manual Technical Data S6-EH3P12K-H S6-EH3P15K-H Input Generator Max. input power 12kW 15kW Rated input current 18.2A/17.3A 22.8A/21.7A Rated input frequency 50 Hz/60 Hz Output AC(Back-up) Rated output power 12kW 15kW Peak apparent output power 2 x rated power, 10 seconds Back-up switch time <...
  • Page 62 8. Specifications User Manual Technical Data S6-EH3P12K-H S6-EH3P15K-H General data Dimensions(W/H/D) 563*546*235mm Weight 32.6kg Topology Transformerless Self consumption (Night) <25 W Operation temperature range -25℃～+60℃ Relative humidity 0-95% Ingress protection IP66 Noise emission <65 dB(A) Cooling concept Smart cooling Max.operation altitude 2000m EN 50549-1, VDE4105 CEI 0-21, CEI 0-16, Grid connection standard...
  • Page 63 8. Specifications User Manual Technical Data S6-EH3P20K-H Input DC (PV side) Recommended max. PV power 32000W Max. input voltage 1000V Rated voltage 600V Start-up voltage 160V MPPT voltage range 200-850V Full load MPPT voltage range 300-850V Max. input current 20A/20A/20A/20A Max.
  • Page 64 8. Specifications User Manual Technical Data S6-EH3P20K-H Input Generator Max. input power 20kW Rated input current 30.4A/28.9A Rated input frequency 50 Hz/60 Hz Output AC(Back-up) Rated output power 20kW Peak apparent output power 2 x rated power, 10 seconds Back-up switch time <...
  • Page 65 8. Specifications User Manual Technical Data S6-EH3P20K-H General data Dimensions(W/H/D) 563*546*235mm Weight 32.6kg Topology Transformerless Self consumption (Night) <25 W Operation temperature range -25℃～+60℃ Relative humidity 0-95% Ingress protection IP66 Noise emission <65 dB(A) Cooling concept Smart cooling Max.operation altitude 2000m EN 50549-1, VDE4105 CEI 0-21, CEI 0-16, Grid connection standard...
  • Page 66 Ginlong Technologies Co., Ltd. No. 57 Jintong Road, Binhai Industrial Park, Xiangshan, Ningbo, Zhejiang, 315712, P.R.China. Tel: +86 (0)574 6578 1806 Fax: +86 (0)574 6578 1606 Please adhere to the actual products in case of any discrepancies in this user manual. If you encounter any problem on the inverter, please find out the inverter S/N and contact us, we will try to respond to your question ASAP.

This manual is also suitable for:

S6-eh3p k-h seriesS6-eh3p12k-hS6-eh3p15k-hS6-eh3p20k-h

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