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SolaX Power X3-FORTH 40 kW-LV User Manual
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SolaX Power X3-FORTH 40 kW-LV User Manual

SolaX Power X3-FORTH 40 kW-LV User Manual

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SolaX Power Network Technology (Zhejiang) Co., Ltd.
Add.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu County,
Hangzhou, Zhejiang, China
E-mail: info@solaxpower.com
Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved.
40 kW-LV / 50 kW-LV / 60 kW-LV / 70 kW-LV
75 kW / 80 kW / 100 kW / 110 kW / 120 kW
320101031211
X3-FORTH
125 kW / 136 kW-MV / 150 kW-MV
User Manual
Version 11.0
www.solaxpower.com
eManual in the QR code or at
http://kb.solaxpower.com/

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Summary of Contents for SolaX Power X3-FORTH 40 kW-LV

  • Page 1 Add.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu County, User Manual Hangzhou, Zhejiang, China E-mail: info@solaxpower.com Version 11.0 Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved. 320101031211 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
  • Page 2 Change History CHANGE HISTORY Changes between document versions are cumulative. The latest version contains all updates made in previous versions. Version 11 (May. 07, 2024) Added contents about PV dustproof buckles Modified Grounding Connection Version 10 (Mar. 05, 2024) Modified PV terminals Version 09 (Jan.
  • Page 3 Change History Contents CONTENTS Version 03 (Nov. 26, 2021) Modified the layout of the contents, technical data and schematic diagram 1 Notes on This Manual........03 Version 02 (Nov.
  • Page 4 Contents Notes on this Manual 1 Notes on this Manual 6 Electrical Connection........29 6.1 Grounding Connection .
  • Page 5 Safety Safety 2 Safety ● Anti-Islanding Effect Islanding effect is a special phenomenon that grid-connected PV system still 2.1 Appropriate Usage supplies power to the nearby grid when electrical grid power is no longer present. It is dangerous for maintenance personnel and the public. The inverters are PV inverters which can convert the DC current of the PV The inverter provides Active Frequency Drift (AFD) to prevent islanding effect.
  • Page 6 Safety Safety • CAUTION-RISK of electric shock from energy stored in capacitor. Never WARNING! operate on the solar connectors, the MAINS cables, PV cables or the PV • Ensure input DC voltage ≤Max. DC voltage. Over voltage generator when power is applied. After switching off the PV and Mains, always may cause permanent damage to inverter or other losses, wait 5 minutes to let the intermediate circuit capacitors discharge before you which will not be included in warranty!
  • Page 7 Safety Safety • No protection settings can be altered without authorization. Danger of high voltages. • The installer shall ensure that equipment is installed and operated to Danger to life due to high voltages in the inverter! maintain at all times in compliance with the requirements of ESQCR (1) (a) .
  • Page 8 Introduction Introduction 3 Introduction TN-C TN-C-S TN-S 3.1 Photovoltaic Grid Connected System The inverter is a three-phase transformerless grid-connected inverter. It is an important part of photovoltaic power generation system. It converts the direct current generated by the photovoltaic panel into alternating current and also can be used to optimize self-consumption or feed into the public grid.
  • Page 9 Introduction Introduction 3.2 Basic Features Thanks for your purchase of this series inverter. Basic features are as follows: More energy harvest · Maximum efficiency up to 99% · 180~1000Vdc MPPT voltage range · Maximum 12 MPPTs, 2 strings per MPP tracker ·...
  • Page 10 Introduction Introduction 3.5Principle Description The inverter is equipped with multi-channel MPPT for DC input to ensure maximum power even under different photovoltaic input conditions. The inverter unit converts DC into AC that meets the requirements of the power grid and feeds it into the power grid. The lightning arrester at AC / DC sides can realize the function of surge protection.
  • Page 11 Technical Data Technical Data 4 Technical Data 4.2 AC Output AC output of 40kW-70kW inverter Ø 4.1 DC Input Model X3-FTH-40K-LV X3-FTH-50K-LV X3-FTH-60K-LV X3-FTH-70K-LV DC input of 40kW-70kW inverter Ø Nominal AC output power [kW] Nominal AC output current [A] 131.3 157.5 183.7...
  • Page 12 Technical Data Technical Data 4.3 Efficiency, Safety and Protection 4.4 General Data Efficiency, safety and protection of 40kW-70kW inverter General data of 40kW-70kW inverter Ø Ø Model X3-FTH-40K-LV X3-FTH-50K-LV X3-FTH-60K-LV X3-FTH-70K-LV Model X3-FTH-40K-LV X3-FTH-50K-LV X3-FTH-60K-LV X3-FTH-70K-LV Inverter+BMU Inverter+BMU Ingress protection Max.
  • Page 13 Mechanical Installation Mechanical Installation 5 Mechanical Installation 5.2.1 Installation Environment Required The installation position shall be well ventilated. 5.1 Installation Precaution Make sure the installation site meets the following conditions: Not be exposed to glare. Not in areas where highly flammable materials are stored. Not in potentially explosive areas.
  • Page 14 Mechanical Installation Mechanical Installation 5.2.3 Installation Angle Required 5.2.4 Installation Space Required The inclination angle of the installation shall not be greater than 5° and cannot To ensure good heat dissipation and convenient disassembly, the minimum be tilted forward, inverted, excessive back tilted or side tilted. clearance around the inverter shall not be less than the following values, as The inverter shall be installed more than 500 mm above the ground.
  • Page 15 Mechanical Installation Mechanical Installation 5.3 Tools Preparation for Installation and Connection 5.4 Check for Transport Damages Make sure the inverter is intact during transportation. If there are some visible damages, such as cracks, please contact your dealer immediately. 5.5 Packing Lists Open the package and fetch out the product, check the accessories at first.
  • Page 16 Mechanical Installation Mechanical Installation 5.6 Installation Steps Step 2: Hang the inverter on the bracket Ø 5.6.1 Installation Steps of Mounting the Inverter on the Wall Lift up the inverter. Two methods are available for your choice. Step 1: Fix the bracket on the wall Method 1: Four installers directly hold the inverter on the two sides and lift it up.
  • Page 17 Mechanical Installation Electrical Connection 6 Electrical Connection b. Use the bracket as a template for marking the position of drilling holes on the stand with a spirit level and marker. 6.1 Grounding Connection c. UseΦ12 drill to drill holes in accordance with the mark. d.
  • Page 18 Electrical Connection Electrical Connection Step 2: Connect the grounding cable to the inverter. Ø Step 1: Make the PV cable Ø Connect the grounding cable to the inverter and fix it with torque 7.0-8.5 N·m. Find out the positive/negative PV connectors and positive/ negative PV pin contacts (part B, C, D, E) from accessory box.
  • Page 19 Electrical Connection Electrical Connection d. Insert the PV cable through fastening head and plug (male and female) and Step 3: Connect the PV cable to the inverter Ø force the male or female plug to the cable. You will hear “Click” which indicates Connect the PV cable to the PV port on the inverter, shown as below: the connection is completed.
  • Page 20 Electrical Connection Electrical Connection 6.3 Grid Connection WARNING! Electric shock! WARNING! Ensure electrical connection design meets local national and local standards. Do not touch live DC wires. When photovoltaic modules are exposed to light, high voltage will occur, which will lead to the risk of electric shock, resulting in death due to contact with DC conductor.
  • Page 21 Electrical Connection Electrical Connection b. Pull the heat-shrink tubing over AC cable. Step 1: Make the AC cable Ø c. Insert the stripped section into OT terminal and crimp with crimping tool and pull the heat shrink tubing over the crimped section of OT terminal. Then Select the appropriate OT terminal and blue, red and yellow and green use heat gun to shrink it so that they are in firm contact with OT terminal.
  • Page 22 Electrical Connection Electrical Connection d. Open the cover of the wiring box. Step 2: Connect the AC cable to the inverter Ø Use a utility knife to cut out the pagoda type protection ring in accordance with the whole cable size, route the AC cable through the pagoda protection 40 kW-70 kW / 75 kW-125 kW inverter ring, and connect it to the AC terminals L1, L2, L3 and N in turn, and tighten it with torque wrench (with the torque of 25~30 N·m ).
  • Page 23 Electrical Connection Electrical Connection 6.4.2 Connection Steps of Communication Cable 6.4 Communication Connection Find out the communication connector (part A) from the accessory box 6.4.1 Communication Signal Definition and disassemble it into the following parts. Housing Body Seal part Select 0.5-0.75 mm conductor and use wire stripper to strip 12-14 mm Port Definition Remark...
  • Page 24 Electrical Connection Electrical Connection e. Insert the tube type terminal into the housing according to the label on it. 6.5 Parallel Connection Push the terminal-inserted housing into the body. There will be a slight sound of 6.5.1 Datahub Parallel Connection “Click”, which indicates the connection is completed.
  • Page 25 Electrical Connection Electrical Connection Wiring operation Ÿ Definition Port a) Connect one end of an RS485 communication cable with Datahub, and the RS485A IN+ other end with one of the slave inverters. RS485B IN- b) Connect all the slave inverters with each other with RS485 cables. RS-485-1 c) Connect the meter with the Datahub and the mains.
  • Page 26 Electrical Connection Electrical Connection 6.6 Control the Output Power by Connecting a Radio Ripple Control The inverter is preconfigured to the following RRCR power levels: Receiver (RRCR) COM port COM port COM port COM port Active Cos(φ) The inverter can be connected to a RRCR (Radio Ripple Control Receiver) in order Pin 11 Pin 12 Pin 13...
  • Page 27 Electrical Connection Electrical Connection 6.7 Monitoring Connection 4G connection Ø Monitoring Cloud is an application that can communicate with the inverter via 4G dongle allows you to use a 4G connection to monitor your system without Wi-Fi/LAN/4G. It can realize alarm queries, parameter configuration, the option of connecting to a local network.
  • Page 28 Startup of the Inverter Electrical Connection Electrical Connection 7 Start the Inverter Indicator status Indicator status definition ● After the inverter is checked, then conduct the following steps: The inverter communication is normal. Always light on a) Check that device is fixed well on the wall or stand. Communication signal indicator b) Make sure all the DC breakers and AC breakers are disconnected.
  • Page 29 Startup of the Inverter Startup of the Inverter 8 Firmware Upgrading For the inverter with LCD screen: Below is the three different states when operating, which means inverter ● Upgrade preparation starting up successfully. 1) Prepare a U disk (USB 2.0 / USB 3.0); Waiting: Inverter is waiting before checking when DC input voltage from panels is CAUTION!
  • Page 30 Setting Firmware Upgrading 9 Setting for Inverter with LCD 2) Wait approximately 15 seconds. The system will start upgrading when the four indicator lights turn off and the buzzer starts buzzing. RootMenu 3) When the buzzer stops buzzing and the indicator lights start blinking again, it Status means that ARM program is upgraded successfully.
  • Page 31 Setting Setting About > O/V Stage1 > VacOvp1stTime 350.0V Machine Type Manager: Vxx.x AFCI 10.00S FORTH 120kW MCUboot: xx.x >Cyprus > U/V Stage1 Product SN Internal Code > VacUvp1stTime >About xxxxxxxxxxxxx A xxx.x D xxx.x 150.0V 10.00S Master: Vxxx.x Dongle SN >...
  • Page 32 Setting Setting installer password Active Power >Active Power >ActiveRiseSlope >Soft Start >SoftStart_Slope >Country 100.0 % 100.0 % > Disable < 100.0 % >Safety >VDE4105 >Reconnect Limit >Reconnect_Slope >Power Limits >RRCR >Active Power > Enable < 100.0 % 110.0 % > Disable < >System State >System ON/OFF >...
  • Page 33 Setting Setting DryContact > O/V Stage1 > VacOvp1stTime Grid Protection >Voltage >Mode Select 350.0V 10.00S > Disable < >DryContact >Generator > U/V Stage1 > VacUvp1stTime >Gen Min. Power 150.0V 10.00S 120. kW > O/V Stage2 > VacOvp2stTime System Reset 350.0 V 10.00S >Reset? Reset Factory...
  • Page 34 Setting Setting >LVRT >LVRT 5 -T >Q(u) >QuQ2 >LVRT > Enable < > Xxx.xx S < >Q(u) > Disable < 0.01 % >LVRT 1 -V >LVRT 6 -T >Q(u)_3Tau >QuQ3 > Xxx.xx V < > Xxx.xx S < 3tau = 0 S 0.01 % >LVRT 2 -V >LVRT 7 -QI...
  • Page 35 Setting Setting b) Solar LCD Digital Display Ø This interface shows the input current of PV. Totally up to 12 strings of MPPT The main interface (Level 1) is the default interface, the inverter will current and voltage can be checked for the inverter. automatically jump to this interface when the system started up successfully or not operated for a period of time.
  • Page 36 Setting Setting a) Language Here user can set the language. At present, English is only available for choosing. After inputting the password, the information of the LCD interface is shown as ﹦﹦﹦﹦ Language ﹦﹦﹦﹦ below. ﹦﹦﹦﹦ Settings ﹦﹦﹦﹦ Language Set English Safety ON/OFF...
  • Page 37 Setting Setting d) Export Control h) Checks This interface is used to activate the needed functions, including “Al State”, “P(u) With this power control function, the inverter can control the energy exported Derate”, “I-V Curve”, “MPPT Scan”, “ARC detection”, “ DRM”, etc. The users can to the grid.
  • Page 38 Troubleshooting Setting 10 Troubleshooting New Password The user can set the new password here. Users need to increase or decrease the word by pressing “Up” or “Down” button. Press “Enter” to confirm and 10.1 Troubleshooting alternate to next word. After word is confirmed, Press “SET” and “Enter” to reset the password.
  • Page 39 Troubleshooting Troubleshooting Code Alarm Name Descriptions and Diagnosis Code Alarm Name Descriptions and Diagnosis PV insulation impedance below safety value Power failure of power grid / disconnection of AC line or AC switch. 1. Check the PV string impedance to ground, if there is a short circuit or 1.
  • Page 40 Troubleshooting Troubleshooting Code Alarm Name Descriptions and Diagnosis Code Alarm Name Descriptions and Diagnosis Loss of grid phase voltage Relay fault 1. Check the grid voltage; 1. The inverter monitors the external working conditions in real time, and the IE 5B GridPhase_Loss 2.
  • Page 41 Troubleshooting Troubleshooting Code Alarm Name Descriptions and Diagnosis Code Alarm Name Descriptions and Diagnosis The temperature of inverter module is higher than the allowable value Fan 2 fault 1. Check if the inverter installation location is well ventilated and the ambient 1.
  • Page 42 Troubleshooting Troubleshooting 10.2 Routine Maintenance • Maintain periodically Only qualified person may perform the following works. Inverters do not need any maintenance or correction in most condition, To During the process of using the inverter, the manage person shall examine and ensure that the inverter can operate properly for a long term, you are advised maintain the machine regularly.
  • Page 43 Decommissioning Disclaimer 11 Decommissioning 12 Disclaimer 11.1 Dismantling the Inverter The inverters shall be transported, used and operated under restricted conditions. We will not provide any service, technical support or Switch off the DC and AC switch/breaker and disconnect the inverter compensation in case of the following circumstances, including but not from DC Input and AC output.
  • Page 44 Warranty Registration Form For Customer (Compulsory) Country Name Phone Number Email Address Zip Code State Product Serial Number Date of Commissioning Installation Company Name Installer Name Electrician License No. For Installer Module ( If Any ) Module Brand Module Size(W) Number of String Number of Panel Per String Battery ( If Any )
  • Page 45 PLEASE REGISTER THE WARRANTY IMMEDIATELY AFTER INSTALLATION! GET YOUR WARRANTY CERTIFICATE FROM SOLAX! KEEP YOUR INVERTER ONLINE & WIN SOLAX POINTS! Open your Wait for the camera app camera to and point recognize your device the QR code at the QR code Notification Click the notification banner...

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