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SolaX Power Network Technology (Zhe jiang) Co., Ltd.
NO.288 Shizhu Road, Tonglu Economic Develpoment Zone, Tonglu City, Zhejiang
province, China.
Tel: +86 0571-56260011
E-mail: info@solaxpower.com
X3-FORTH SERIES USER MANUAL
40kW - 150kW
Copyright Declaration
The copyright of this manual belongs to Solax Power Network Technology (Zhe jiang)
Co., Ltd. Any corporation or individual should not plagiarize, partitially or fully copy
(including software, etc.) , and no reproduction or distribution of it in any form or by
any means. All rights reserved. SolaX Power Network Technology (Zhe jiang) Co., Ltd.
reserves the right of final interpretation.
614.00663.02
www.solax.power.com
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Summary of Contents for SolaX Power X3-FORTH Series
- Page 1 Copyright Declaration SolaX Power Network Technology (Zhe jiang) Co., Ltd. The copyright of this manual belongs to Solax Power Network Technology (Zhe jiang) NO.288 Shizhu Road, Tonglu Economic Develpoment Zone, Tonglu City, Zhejiang Co., Ltd. Any corporation or individual should not plagiarize, partitially or fully copy (including software, etc.) , and no reproduction or distribution of it in any form or by...
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Page 2: Table Of Contents
Contents CONTENTS NOTE ON THIS MANUAL..................1.1 SCOPE OF VALIDITY..................1.2 TARGET GROUP....................1.3 SYMBOLS USED....................SAFETY........................2.1 APPROPRIATE USAGE..................2.2 IMPORTANT SAFETY INSTRUCTIONS............2.3 EXPLANATION OF SYMBOLS..............2.4 EC DIRECTIVES....................INTRODUCTION..................... 3.1 PHOTOVOLTAIC GRID CONNECTED SYSTEM........3.2 BASIC FEATURES....................3.3 OVERVIEW OF THE INVERTER.............. -
Page 3: Scope Of Validity
5.6.1 INSTALLATION STEPS (ON THE WALL) ........1.1 Scope of Validity 5.6.2 INSTALLATION STEPS (ON THE STAND)........This manual is an integral part of X3-Forth Series, It describes the assembly, ELECTRICAL CONNECTION................installation, commissioning, maintenance and failure of the product. Read it 6.1 GROUNDING CONNECTION.............. -
Page 4: Safety
30 volts. 2.1 Appropriate Usage The X3-Forth Series are PV inverters which can convert the DC current of the PV ● Anti-Islanding Effect generator into AC current and feed it into the public grid. - Page 5 • Authorized service personnel must disconnect both AC and since the capacitors require time to sufficiently discharge! DC power from X3-Forth series before attempting any maintenance or cleaning or working on any circuits connected PE Connection and Leakage Current to the X3 series.
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Page 6: Explanation Of Symbols
Safety Safety For United Kingdom Beware of hot surface. • The installation that connects the equipment to the supply terminals The inverter can become hot during operation. Avoid contact shall comply with the requirements of 7671. during operation. • Electrical installation of system shall comply with requirements of Danger of high voltages. -
Page 7: Ec Directives
Safety Introduction 3. Introduction 2.4 EC Directives 3.1 Photovoltaic grid connected system This chapter follows the requirements of the European low voltage directives, which contains the safety instructions and conditions of acceptability for the X3-Forth, a three-phase transformerless grid connected inverter, is an important endues system, which you must follow when installing, operating and servicing part of photovoltaic power generation system. -
Page 8: Basic Features
TN-C TN-C-S TN-S Thanks for your purchasing with SolaX X3-Forth Series inverter. The X3-Forth Series inverter is one of the finest inverters on the market today, incorporating state-of-the-art technology, high reliability, and convenient control features. • 2 Strings per MPP tracker, maximum 12 MPP trackers •... -
Page 9: Dimension
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 side can realize the function of surge protection. -
Page 10: Technical Data
Technical Data Technical Data 4. Technical Data 4.2 AC Output AC output of 40k-70k inverter Ø 4.1 DC Input Model X3-FTH-60K-LV X3-FTH-70K-LV DC input of 40k-70k inverter X3-FTH-40K-LV X3-FTH-50K-LV Ø Rated AC power [kW] Model Rated AC current [A] 131.3 157.5 183.7 X3-FTH-40K-LV... -
Page 11: Efficiency, Safety And Protection
Technical Data Technical Data 4.3 Efficiency, Safety and Protection 4.4 General Data General data of 40k-70k inverter Efficiency, safety and protection of 40k-70k inverter Ø Ø 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 Model Inverter+BMU Inverter+BMU Max. efficiency Self-consumption (night) <10 W 98.0%... -
Page 12: Mechanical Installation
No snow lay up the guarantee of machine safety, service life and performance. • X3-Forth series has the IP66 ingress protection, which allows it to be installed outside the door. • The installation position shall be convenient for wiring connection, operation and maintenance. -
Page 13: Installation Angle Required
Mechanical Installation Mechanical Installation 5.2.3 Installation angle required 5.2.4 Installation space required -The inclination angle of the flat installation shall be greater than 10° and can To ensure good heat dissipation and convenient disassembly, the minimum not 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 14: Tools Preparation
Mechanical Installation Mechanical Installation 5.3 Tools preparation for installation and connection Tool equipment Tool equipment Name Image Type Image Name Type Image Image Name Name Individual Safety Safety Φ Protection gloves shoes Hammer Tool Multimeter drill Dust cover Protective glasses Crosshead Torque screwdriver... - Page 15 Mechanical Installation Mechanical Installation 5.6 Installation steps 5.6.1 Installation steps of mounting the inverter on the wall Step 1: Fix the bracket on the wall Ø a) Find out the bracket and M8 bolts from the accessory bag as below: And prepare M10x80 iron expansion combination in advance.
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Page 16: Electrical Connection
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 digital level and marker. 6.1 Groundng connection c) Use φ10 drill to drill holes in accordance with the mark. The depth of the holes shall be at least 35 mm. -
Page 17: Pv String Connection
Electrical Connection Electrical Connection Step 2: Connect the grounding cable to the inverter. Ø a) Connect the grounding cable to the inverter and fix it wit torque 12 Positive DC pin contact x24 Female DC connectorx24 Negative DC pin contact x24 Male DC connectors x24 WARNING! Be sure the ground wire must be... -
Page 18: Grid Connection
Electrical Connection Electrical Connection The correct operation is as follows: Positive terminal (Male) -Use clamp current meter to measure DC string current. -If it is greater than 0.5 A, please wait until the current is less than 0.5 A. -Only when the current is less than 0.5 A, can the DC power be cut off and the DC string be pulled out. - Page 19 Electrical Connection Electrical Connection Note: d) Open the cover of the wiring box. -It is recommended to add circuit breaker or fuse at AC side, whose specification is more than 1.25 times of rated AC output current. mm² -70~240 copper wire is recommended. If aluminum wire is needed, please consult the inverter manufacturer.
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Page 20: Communication Connection
Electrical Connection Electrical Connection 6.4.2 Connection steps of communication cable 6.4 Communication Connection a) Find out the communication terminal from the accessory bag and 6.4.1 Communication signal definition disassemble it into the following parts. COM terminal Housing Body Seal ring Seal body Claw nut b) Select 0.5-0.75 mm2 conductor and use wire stripper to strip 12-14 Definition mm insulation layer of the cable end and insert the insulated cord end terminal... -
Page 21: Release Steps Of Cable
Electrical Connection Electrical Connection 6.5 Monitoring Connection e) Insert the tube type terminal into the housing according to the label on it. Push the terminal-inserted housing into the body. There will be a slight sound Solaxcloud is a mobile phone application that can communicate with the of “Click”, which indicates the connection is completed. -
Page 22: Startup Of The Inverter
Startup of the Inverter Electrical Connection Electrical Connection 7. Start up the Inverter 4G connection Ø SolaX Pocket 4G dongle allows you to use a 4G connection to monitor your ● Start inverter after checking all below steps: system without the option of connecting to a local network. (This product is not available in the UK) a) Check that device is fixed well on the wall or stand. -
Page 23: Troubleshooting
Troubleshooting Startup of the Inverter 8 Troubleshooting Indicator status Indicator status definition The inverter communication is normal. Always light on 8.1 Troubleshooting Communication signal indicator Flashing (blue) No communication data is sent or received for a long time. This section contains information and procedures for solving possible problems with X3 series inverters, and provides you with troubleshooting tips to identify and solve Always light on The inverter is in grid-connected state. - Page 24 Troubleshooting Troubleshooting error Diagnostics and Solutions error Diagnostics and Solutions PV insulation impedance below safety value Instantaneous high voltage of power grid 1. Check PV electrical connection; ISO_Fail GridVol_OP_INST 1. Check whether the grid voltage is within the allowable range; 2.
- Page 25 Troubleshooting Troubleshooting error Diagnostics and Solutions error Diagnostics and Solutions The temperature of inverter module is higher than the allowable value Bus soft start failure DcBus_SSErr Inv_IGBT_NTC_OTP 1. Confirm that the inverter is well ventilated; 1. Try to restart the inverter; 2.
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Page 26: Routine Maintenance
Troubleshooting Troubleshooting 8.2 Routine Maintenance • Maintain periodically Only qualified person may perform the following works. Inverters do not need any maintenance or correction in most condition, To ensure During the process of using the inverter, the manage person shall examine and that the X3-Forth can operate properly for a long term, you are advised maintain the machine regularly. -
Page 27: Decommissioning
Decommissioning Disclaimer 9 Decommissioning 10 Disclaimer 9.1 Dismantling the Inverter X3 series inverters are transported, used and operated under limited condition, such Switch off the DC and AC switch/breaker and disconnect the inverter from as environmental, electrical etc. SolaX shall not be liable to provide the service, technical support or compensation under conditions listed below, including but not DC Input and AC output. - Page 28 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 29 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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