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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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X3-FORTH
40 kW-LV / 50 kW-LV / 60 kW-LV / 70 kW-LV
75 kW / 80 kW / 100 kW / 110 kW / 120 kW
125 kW / 136 kW-MV / 150 kW-MV
User Manual
Version 13.0
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 X3-FORTH 40 kW-LV / 50 kW-LV / 60 kW-LV / 70 kW-LV 75 kW / 80 kW / 100 kW / 110 kW / 120 kW 125 kW / 136 kW-MV / 150 kW-MV User Manual Version 13.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
  • Page 3 The images included in this document are solely for illustrative purposes and may differ based on the specific product models. For more detailed information, kindly visit the website of SolaX Power Network Technology (Zhejiang) Co., Ltd. at www.solaxpower.com. SolaX retains all rights for the final explanation.
  • Page 4 About This Manual Scope of Validity This manual is an integral part of X3-FORTH series inverter. It describes the transportation, storage, installation, electrical connection, commissioning, maintenance and troubleshooting of the product. Please read it carefully before operating. This manual is valid for the following inverter models: •...
  • Page 5 Item Meaning Description Models with (L) have LCD screen. Models without (L) have LED indicators. Target Group The installation, maintenance and grid-related setting can only be performed by qualified personnel who: • Are licensed and/or satisfy state and local regulations. •...
  • Page 6 Updated the format of the manual according to the latest template. Version 11.0 (2024-03-07) Added contents about PV dust proof buckles. Modified Grounding Connection. Version 10.0 (2024-03-05) Modified PV terminals. Version 9.0 (2024-01-22) Deleted PV Connection information and UKCA. Updated LCD description and used MC4 terminals. Updated information of packing list.
  • Page 7 Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Safety Instructions of PV, Inverter and Grid ...............1 1.2.1 Safety Instructions of PV ..................2 1.2.2 Safety Instructions of Inverter ................3 1.2.3 Safety Instructions of Utility Grid ..............5 Product Overview ..................6 2.1 Product Introduction ......................6 2.2 Appearance .........................8 2.3 Symbols on the Label and Inverter ................9...
  • Page 8 7.4.1 PV Terminal Connection Recommendations for 9 MPPT Models ..44 7.4.2 PV Terminal Connection Recommendations for 12 MPPT Models ..50 7.4.3 PV Wiring Procedure ...................57 7.5 Communication Connection..................61 7.6 Monitoring Connection ....................65 System Commissioning ................67 8.1 Checking before Power-on ....................67 8.2 Powering on the System ....................67 Operation on LCD ..................69 9.1 Introduction of Control Panel ..................69...
  • Page 9 13.2 AC Output ..........................110 13.3 System data ........................111 13.4 Protection ...........................112 13.5 Standard ..........................113 Appendix ....................114 14.1 Control Output Power with RRCR ................114 14.2 Application of Parallel Function ..................116...
  • Page 10 Safety General Safety The series inverter has been meticulously designed and thoroughly tested to comply with the relevant state and international safety standards. Nevertheless, like all electrical and electronic equipment, safety precautions must be observed and followed during the installation of the inverter to minimize the risk of personal injury and ensure a safe installation.
  • Page 11 Safety 1.2.1 Safety Instructions of PV DANGER! Potential risk of lethal electric shock associated with the photovoltaic (PV) system • Exposure to sunlight can result in the generation of high DC voltage by PV modules, which can lead to electric shock causing severe injuries or even death. •...
  • Page 12 Safety WARNING! • Photovoltaic modules should meet the IEC 61730 Class A standards. NOTICE! Grounding the PV generator. • Comply with the local requirements for grounding the PV modules and the PV generator. We recommend connecting the generator frame and other electrically conductive surfaces in a manner which ensures continuous conduction and ground these in order to have optimal protection of system and persons.
  • Page 13 Safety WARNING! Earth connection essential before connecting supply. • Incorrect grounding can cause physical injury, death, or equipment malfunction and increase electromagnetic. • Make sure that grounding conductor is adequately sized as required by safety regulations. • Do not connect the ground terminals of the unit in series in case of a multiple installation.
  • Page 14 Safety 1.2.3 Safety Instructions of Utility Grid NOTICE! Anti-Islanding Effect • The inverter provides Active Frequency Drift (AFD) to prevent islanding effect. Islanding effect is a special phenomenon that grid-connected PV system still supplies power to the nearby grid when electrical grid power is no longer present. It is dangerous for maintenance personnel and the public.
  • Page 15 Product Overview Product Introduction Photovoltaic Grid Connected System X3-FORTH is a three-phase transformerless grid-connected inverter, which is an important component of photovoltaic (PV) power generation systems. The inverter converts the direct current (DC) generated by the PV panels into alternating current (AC) that meets grid requirements and feeds it into the grid.
  • Page 16 Product Overview 136 kW and 150 kW models are directly connected to the medium voltage power grid through a 500 V or 540 V transformer without an N line access, as shown in Figure 2-4 . TN-C TN-C-S TN-S L1 L2 L3 N PE L1 L2 L3 N PE L1 L2 L3 N PE...
  • Page 17 Product Overview Basic Features The X3-FORTH Series Inverter offers high efficiency with a peak performance of up to 99%. It supports a wide MPPT voltage range from 180 to 1000Vdc and includes up to 12 MPPTs, each with 2 strings per tracker. This allows for flexible solar panel setups and helps to maximize energy production.
  • Page 18 Product Overview Table 2-1 Description of appearance Item Description Nameplate clearly identifies the device type, serial number, specific Nameplate DC / AC parameters, certification, etc. Models with (L) have an LCD screen and keys. The screen displays information, and the keys are used for parameter setting. Panel Models without (L) only have LED indicators which show the status of the inverter.
  • Page 19 Product Overview Symbol Description Read the enclosed documentations. Do not dispose of the inverter together with household waste. Do not operate this inverter until it is isolated from mains and on-site PV generation source. Danger of high voltage. Do not touch live parts for 5 minutes after disconnection from the power sources.
  • Page 20 Product Overview Working Principle 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 direct current into alternating current that meets the requirements of the power grid and feeds it into the power grid.
  • Page 21 Product Overview PV1+ DC/DC Input EMI PV2+ boost circuit PV1- PV2- PV3+ DC/DC PV4+ Input EMI boost circuit PV3- PV4- PV5+ DC/DC Input EMI PV6+ boost circuit PV5- PV6- PV7+ DC/DC PV8+ Input EMI boost circuit PV7- PV8- DC Surge DC Switch 1 Protector PV9+...
  • Page 22 Product Overview Working State State Description After powering on, the inverter enters the Waiting state. • When the inverter detects sufficient photovoltaic input voltage, it enters the Checking state. Waiting • If the inverter detects a fault, it enters the Stop state . •...
  • Page 23 Transportation and Storage If the inverter is not put into use immediately, the transportation and storage requirements need to be met: Transportation • Observe the caution signs on the packaging of inverter before transportation. • Pay attention to the weight of the inverter. Carry the inverters by the required number of personnel as specified by local regulations.
  • Page 24 Transportation and Storage CAUTION! If using the crane to lift up the inverter, before lifting: • Ensure that the crane's load capacity is ≥ 180 kg, the lifting rope's load capacity is ≥ 600 kg, and the length is ≥ 2.5 m. •...
  • Page 25 Preparation before Installation Selection of Installation Location The installation location selected for the inverter is quite critical in the aspect of the guarantee of device safety, service life and performance. It has the IP66 ingress protection, which allows it to be installed outdoor. The installation position shall be convenient for wiring connection, operation and maintenance.
  • Page 26 Preparation before Installation • Install the inverter at least 500 meters away from the coast and avoid sea breeze directly hit. Sea breeze Inverter 500 m 1000 m Figure 4-1 Recommended installation position Sea breeze Inverter 500 m 1000 m Figure 4-2 Incorrect installation position NOTICE! •...
  • Page 27 Preparation before Installation Inverter Weight (kg) 80.5 Figure 4-3 Installation carrier requirement 4.1.3 Clearance Requirement To guarantee proper heat dissipation and ease of disassembly, the minimum space around the inverter must meet the standards indicated below. For installations with multiple inverters, make sure to leave a minimum space of 30 cm on the sides and 60 cm above and below each inverter.
  • Page 28 Preparation before Installation Tools Requirement Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. Please note that the tools used must comply with local regulations. Hammer drill Multimeter Measuring tape Utility knife (drill bit: Ø13 mm) (≥...
  • Page 29 Preparation before Installation Additionally Required Materials Table 4-1 Additionally required wires Conductor Cross- Cable No. Required Material Type Section Length Dedicated PV wire, copper, PV cable complying with 1,500 V 4-6 mm² ≤200 m standard AC cable (40 ~ 125 kW) Five-core copper wire 70 mm²...
  • Page 30 Unpacking and Inspection Unpacking • The inverter undergoes 100% testing and inspection before delivery. However, damages may still occur during transportation. Before unpacking, please carefully check the external packaging for any signs of damage, such as punctures or cracks. • Unpacking the inverter according to the following figure.
  • Page 31 Unpacking and Inspection Scope of Delivery Inverter Bracket Communication connector Positive PV dust proof buckle Positive PV connector & Negative PV connector & Negative PV dust proof buckle Positive PV pin contact Negative PV pin contact Disassembling tool for PV terminal M10 ×...
  • Page 32 Unpacking and Inspection Item Description Quantity Remark Used to install on the Positive PV dust proof buckle 6 pairs for 40-50 kW positive/negative PV 9 pairs for 60-110 kW input port when the Negative PV dust proof 12 pairs for 120-150 kW PV is not connected buckle Used to remove the...
  • Page 33 Mechanical Installation WARNING! • Only qualified personnel are allowed to perform the mechanical installation in accordance with local laws and regulations. • Check the existing power cables or other piping in the wall to prevent electric shock or other damage. •...
  • Page 34 Mechanical Installation Dimensions for mounting Before installation, check the dimensions of the bracket and ensure that enough space is reserved for the installation and heat dissipation of the entire system. 327.5 Figure 6-3 Dimensions 1 (Unit: mm) Ø12 Figure 6-4 Dimensions 2 (Unit: mm) Installation procedures Stand-mounting Step 1:...
  • Page 35 Mechanical Installation Figure 6-5 Marking the holes Step 2: Drill holes with Ø12 drill bit in accordance with the mark. Figure 6-6 Drilling holes Step 3: Pre-install the bracket on the stand and tighten M10 × L40 screws. Transverse section Spring washer M10 nut...
  • Page 36 Mechanical Installation Figure 6-8 Tightening the screws Step 4: Lift the inverter using one of two methods: four installers directly hold it on both sides, or install two lifting rings on each side and lift it using those rings. Method 1 Method 2 Figure 6-9 Hanging the inverter CAUTION!
  • Page 37 Mechanical Installation Step 5: Hang the inverter on the bracket and secure the inverter on both sides with M8 bolts (part K). Figure 6-10 Securing the inverter 7.0 ~ 8.5 N·m Figure 6-11 Locking the inverter Wall-mounting Step 1: Find out the bracket and M8 bolts (part K) from the accessory box. Prepare M10 ×...
  • Page 38 Mechanical Installation Step 2: Use Ø13 drill to drill holes in accordance with the mark. The depth of the holes shall be at least 65 mm. Figure 6-13 Drilling holes Step 3: Insert the expansion screws into the holes, hang the bracket on the screw and fix it with a nut .
  • Page 39 Mechanical Installation 32.0-36.8 N·m Figure 6-16 Securing the bracket Step 4: Lift the inverter using one of two methods: four installers directly hold it on both sides, or install two lifting rings on each side and lift it using those rings. Method 1 Method 2 Figure 6-17 Lifting the inverter...
  • Page 40 Mechanical Installation Step 5: Hang the inverter on the bracket and secure it on the bracket with M8 bolts. Figure 6-18 Hanging the inverter 7.0-8.5 N·m Figure 6-19 Securing the inverter...
  • Page 41 Electrical Connection DANGER! • Before electrical connection, make sure the DC switch and AC breaker are disconnected. Otherwise, the high voltage may cause electric shock, resulting in severe personal injuries or even death. WARNING! • Only qualified personnel are allowed to perform the electrical connection following local laws and regulations.
  • Page 42 Electrical Connection Figure 7-1 Terminals of inverter Table 7-1 Description of terminals Item Description Remarks DC switch AC Port PV terminals RS485 / Meter / DRM connector (Optional) WiFi / LAN / 4G dongle connector (Optional) ( To be used only when connecting with a single-core Grounding port cable for AC, thus requiring a...
  • Page 43 Electrical Connection 7.1.2 Cable Connections of Inverter Figure 7-2 Cable connections of inverter Table 7-2 Descriptions of connected part Item Part Description Source A PV string is composed of the PV modules connected in series. The number of input Prepared PV module PV strings varies in accordance with by user...
  • Page 44 Electrical Connection Table 7-3 Descriptions of cables Item Cable Type and specifications Source PV cable Communication cable Refer to "4.3 Additionally Prepared by user Required Materials" AC cable PE cable...
  • Page 45 Electrical Connection PE Connection The uncharged metal parts in the photovoltaic power generation system, including the photovoltaic substrate bracket and the metal shell of the inverter, should be reliably grounded. The grounding part of multiple inverters and photovoltaic array shall be connected to the same grounding bus to establish reliable equipotential connection.
  • Page 46 Electrical Connection Figure 7-5 Crimping the cable Figure 7-6 Shrinking the tubing Step 4: Remove the screws from the shell and connect the grounding cable to the inverter and fix it with torque 7.0 ~ 8.5 N·m. 7.0 ~ 8.5 N·m Figure 7-7 Securing the PE cable WARNING! •...
  • Page 47 Electrical Connection AC Side Connection WARNING! • Ensure electrical connection design meets local national and local standards. • The PE wire (ground wire) of the inverter must be reliably grounded. • Disconnect the circuit breaker or fuse of inverter and grid connection access point. NOTICE! •...
  • Page 48 Electrical Connection 70 ~ 240 mm² copper cable A≤45 mm B=12.5 ~ 15 mm Figure 7-9 Stripping the AC cable (136 kW ~ 150 kW inverter) Pull the heat-shrink tubing over AC cable. Insert the stripped section into OT terminal, crimp with crimping tool and pull the heat shrink tubing over the crimped section of OT terminal.
  • Page 49 Electrical Connection 5.0 ~ 7.0 N·m Figure 7-12 Installing the ferrite core (136 kW-150 kW inverter) Step 2: Connect the AC cable to the inverter Disassemble the M12 nut L≥32 mm 25 ~ 30 N·m Figure 7-13 Disassembling the M12 nut (40 kW ~ 70 kW / 75 kW ~ 125 kW inverter for example) Use a utility knife to cut off the pagoda-shaped coil in accordance with actual cable size, route the AC cable through the pagoda-shaped coil, and connect it to...
  • Page 50 Electrical Connection 40 kW ~ 70 kW / 75 kW ~ 125 kW inverter for example L≥32 mm 25 ~ 30 N·m Figure 7-15 Tightening PE cable before connecting L and N cable L1 L2 L3 N L1 L2 L3 Separate PE cable Multi-core cable Figure 7-16 Wiring connection diagrams for PE cable...
  • Page 51 Electrical Connection 5.0 ~ 7.0 N·m Figure 7-18 Re-installing the cover NOTICE! • Plug the cut pagoda-shaped coil with fireproof mud before closing AC wiring box. • Prepare your own fireproof mud that meets local environmental standards.
  • Page 52 Electrical Connection PV Connection WARNING! • Before connecting the inverter, ensure that the open-circuit voltage of the PV string does not exceed 1100 V under any circumstances (pay special attention to the impact of the low-temperature VOC temperature coefficient of the modules); otherwise, it may damage the inverter.
  • Page 53 Electrical Connection (120 kW, 125 kW, 136 kW and 150 kW inverter for example) 7.4.1 PV Terminal Connection Recommendations for 9 MPPT Models The inverter is equipped with three DC switches : DC SWITCH 1 controls the DC terminals PV1 to PV8, DC SWITCH 2 controls the DC terminals PV9 to PV16, and DC SWITCH 3 controls the DC terminals PV17 to PV18.
  • Page 54 Electrical Connection Figure 7-4 DC SWITCH 3 controls the DC terminals PV17 ~ PV18 PV Terminal Configuration When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: • PV strings should be evenly distributed across the three DC switches controlling the PV terminals.
  • Page 55 Electrical Connection Figure 7-7 Configuration for 3 Strings Input: Connect to PV2, PV8, PV18 terminals. Figure 7-8 Configuration for 4 Strings Input: Connect to PV2, PV6, PV8, PV18 terminals. Figure 7-9 Configuration for 5 Strings Input: Connect to PV2, PV6, PV8, PV14, PV18 termi- nals Figure 7-10 Configuration for 6 Strings Input: Connect to PV2, PV6, PV8, PV12, PV14, PV18 terminals.
  • Page 56 Electrical Connection Figure 7-12 Configuration for 8 Strings Input: Connect to PV2, PV4, PV6, PV8, PV12, PV14, PV16, PV18 terminals. Figure 7-13 Configuration for 9 Strings Input: Connect to PV2, PV4, PV6, PV8, PV10, PV12, PV14, PV16, PV18 terminals. Figure 7-14 Configuration for 10 Strings Input: Connect to PV1, PV2, PV4, PV6, PV8, PV10, PV12, PV14, PV16, PV18 terminals.
  • Page 57 Electrical Connection Figure 7-16 Configuration for 12 Strings Input: Connect to PV1, PV2, PV4, PV6 ~ PV8, PV10, PV12, PV14, PV16 ~ PV18 terminals. Figure 7-17 Configuration for 13 Strings Input: Connect to PV1, PV2, PV4 ~ PV8, PV10, PV12, PV14, PV16 ~ PV18 terminals. Figure 7-18 Configuration for 14 Strings Input: Connect to PV1, PV2, PV4 ~ PV8, PV10, PV12 ~ PV14, PV16 ~ PV18 terminals.
  • Page 58 Electrical Connection Figure 7-20 Configuration for 16 Strings Input: Connect to PV1 ~ PV8, PV10 ~ PV14, PV16 ~ PV18 terminals. Figure 7-21 Configuration for 17 Strings Input: Connect to PV1 ~ PV8, PV10 ~ PV18 termi- nals...
  • Page 59 Electrical Connection 7.4.2 PV Terminal Connection Recommendations for 12 MPPT Models The inverter is configured with three DC switches: DC SWITCH 1 controls the DC terminals PV1 to PV8, DC SWITCH 2 controls the DC terminals PV9 to PV16, and DC SWITCH 3 controls the DC terminals PV17 to PV24.
  • Page 60 Electrical Connection Figure 7-24 DC SWITCH 3 controls the DC terminals PV17 ~ PV24 PV Terminal Configuration When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: • PV strings should be evenly distributed across the three DC switches controlling the PV terminals.
  • Page 61 Electrical Connection Figure 7-27 Configuration for 3 Strings Input: Connect to PV2, PV8, PV24 terminals. Figure 7-28 Configuration for 4 Strings Input: Connect to PV2, PV8, PV18, PV24 terminals. Figure 7-29 Configuration for 5 Strings Input: Connect to PV2, PV6, PV8, PV18, PV24 ter- minals Figure 7-30 Configuration for 6 Strings Input: Connect to PV2, PV6, PV8, PV18, PV20, PV24 terminals.
  • Page 62 Electrical Connection Figure 7-32 Configuration for 8 Strings Input: Connect to PV2, PV6, PV8, PV12 , PV14 , PV18, PV20, PV24 terminals. Figure 7-33 Configuration for 9 series inputs: Connect to terminals PV2, PV4, PV6, PV8, PV12, PV14, PV18, PV20, PV24. Figure 7-34 Configuration for 10 series inputs: Connect to terminals PV2, PV4, PV6, PV8, PV12, PV14, PV18, PV20, PV22, PV24.
  • Page 63 Electrical Connection Figure 7-36 Configuration for 12 series inputs: Connect to terminals PV2, PV4, PV6, PV8, PV10, PV12, PV14, PV16, PV18, PV20, PV22, PV24 . Figure 7-37 Configuration for 13 series inputs: Connect to terminals PV1 ~ PV2, PV4, PV6, PV8, PV10, PV12, PV14, PV16, PV18, PV20, PV22, PV24.
  • Page 64 Electrical Connection Figure 7-40 Configuration for 16 series inputs: Connect to terminals PV1 ~ PV2, PV4, PV6 ~ PV8, PV10, PV12, PV14, PV16 ~ PV18, PV20, PV22 ~ PV24. Figure 7-41 Configuration for 17 series inputs: Connect to terminals PV1 ~ PV2, PV4 ~ PV8, PV10, PV12, PV14, PV16 ~ PV18, PV20, PV22 ~ PV24.
  • Page 65 Electrical Connection Figure 7-44 Configuration for 20 series inputs: Connect to terminals PV1 ~ PV2, PV4 ~ PV8, PV10 ~ PV14, PV16 ~ PV20, PV22 ~ PV24. Figure 7-45 Configuration for 21 series inputs: Connect to terminals PV1 ~ PV8, PV10 ~ PV14, PV16 ~ PV20, PV22 ~ PV24..
  • Page 66 Electrical Connection 7.4.3 PV Wiring Procedure Step 1: Make the PV cable Find out the positive / negative PV connectors and positive / negative PV pin contacts (part B, C, D, E) from accessory box. Turn off the DC switch and prepare a 4 ~ 6 mm²...
  • Page 67 Electrical Connection Thread the PV cable through swivel nut and insert the cable into the PV connector. Figure 7-51 Threading the PV cable A "Click" will be heard if it is connected correctly. Gently pull the cable backward to ensure firm connection. Tighten the swivel nut clockwise. Verify that the PV connectors have the correct polarity before connection.
  • Page 68 Electrical Connection NOTICE! • If the voltage reading is negative, it indicates an incorrect DC input polarity. Please check if the wiring connections on the measuring device are correct or PV connectors are not mistakenly connected. Step 3: Connect the PV cable to the inverter. Connect the PV cable to the PV port on the inverter.
  • Page 69 Electrical Connection WARNING! • When the DC cable is reversely connected or the inverter fails to work normally, it is forbidden to turn off the DC switch directly or pull out the DC string. NOTICE! • Requirements for photovoltaic modules connecting to the same circuit: »...
  • Page 70 Electrical Connection Communication Connection Communication Signal Definition Figure 7-56 Communication port pin number Table 7-4 Communication port pin definition Port Definition Remark RS485A IN+ RS485B IN Inverter RS485 Reserved networking or RS-485-1 connect the data RS485A OUT+ collector RS485B OUT Reserved RS485A METER RS485B METER...
  • Page 71 Electrical Connection Connection Steps of Communication Cable Step 1: Select 0.5 ~ 0.75 mm conductor and use wire stripper to strip 12 ~ 14 mm insulation layer of the cable end and insert the insulated cord end terminal to the cable end.
  • Page 72 Electrical Connection Step 4: Route the COM cable through the component nut, component seal, and component body accordingly. housing body seal part Figure 7-60 Routing the COM cable Step 5: Push the terminal-inserted housing into the body. There will be a slight sound of “Click”, which indicates the connection is completed.
  • Page 73 Electrical Connection Step 7: Keep the buttons on both sides pressed and connect it to the COM port of the inverter. There will be a slight sound of “Click” if it is correctly connected. Inverter COM port Click! Figure 7-63 Securing and connecting the cable...
  • Page 74 Electrical Connection Monitoring Connection The series of inverters supports the connection of Wi-Fi, LAN, and 4G monitoring modules. Plug Dongle into USB port at the bottom of the inverter. After the DC side and AC side is powered on, the APP and inverter can be connected. Remember to keep the “QR Code"...
  • Page 75 Electrical Connection Cloud Router Figure 7-65 LAN mode connection diagram • 4G connection 4G dongle allows to use a 4G connection to monitor the system without the option of connecting to a local network. (This product is not available in the UK) Cloud Figure 7-66 4G mode connection diagram CAUTION!
  • Page 76 System Commissioning Checking before Power-on • The device is installed correctly and securely; • All the DC breakers and AC breakers are OFF; • All AC cables are connected correctly and securely; • All DC cables are connected correctly and securely; •...
  • Page 77 System Commissioning Inverter (side view) Utility grid AC breaker on Meter Main Load breaker on Figure 8-68 Turning on AC breaker...
  • Page 78 Operation on LCD Introduction of Control Panel LCD Panel Power (kW) XXXXXX Down Enter Figure 9-1 Control panel Table 9-1 Definition of indicators Definition ESC key Exit from the current interface or cancel the setting Up key Move the cursor to the previous option or increase the value Down key Move the cursor to the next option or decrease the value Enter key...
  • Page 79 Operation on LCD LCD indicators Alarm Communication indicator indicator DC connection Grid connection indicator indicator Figure 9-2 Control panel Table 9-2 Definition of indicators Status Definition Communication The inverter communication is normal. indicator (Blue) Flash No communication data is sent or received for a long time. The inverter is in grid-connected state.
  • Page 80 Operation on LCD Main interface >Status Status >Meter 24/02/08 10:10 Power(kW) >History XXXX.XXX Enter TodayEnery(kWh) >Settings XXXX.X TotalEnergy(kWh) >About XXXX.X >GridProtection(Chile) /RED(Cyprus)* The main interface (Level 1) is the default interface, the inverter will automatically jump to this interface when the system started up successfully or not operated for a period of time. Status shows the time and the current status “Waiting”, “Checking”,“Running”, “Fault”...
  • Page 81 Operation on LCD Status Status Ua xxx.xV xxx.xA Status Ub xxx.xV xxx.xA >Grid Status Uc xxx.xV xxx.xA Freq xx.xxHz >Status MPPT1_V xxx.xV MPPT1_I xxx.xA >Solar ..MPPT12_V xxx.xV MPPT12_I xxx.xA The status function contains Grid and Solar. Press Up and Down to select and press Enter to confirm the selection.
  • Page 82 Operation on LCD Meter Pgrid/Meter xxxxx.xxxx kW Total Import >Meter xxxxx kWh Total Export xxxxx kWh The user can check the active power received from the meter and import/export energy by this function. There are three parameters: Pgrid/Meter, Total Import and Total Export. Press Up and Down to review the values.
  • Page 83 Operation on LCD 9.6.1 Using Users' Password >Language >Language > English < >Y2022-M03-D22 >Date Time H11: M 35 SET >RS485 Addr > 1 < The sections in this diagram are the same >RS485 Baud whether accessed > 9600 < >password == 0000 with the end-user >Communication password or the...
  • Page 84 Operation on LCD Communication RS485 Addr: the modbus address of the external communication protocol. RS485 Baud: The baud rate of the external communication protocol. At present,4800, 9600 and 19200 are supported, and the default is 9600. With this function, the inverter can communicate with the computer, through which the operating status of the inverter can be monitored.
  • Page 85 Operation on LCD 9.6.2 Using Installer password >Country >Safety >VDE4105 >System State >System ON/OFF > ON < >Mode Select >PV Connection > Disable < >PV Connection > Multi < >Control Power 100.0 % >Export Control >Meter reverse > Disable < >Active Power >Export Mode >...
  • Page 86 Operation on LCD System ON/OFF ON means the inverter is in working state which is the default state. OFF means that the inverter stops running and only the LCD screen is on. ===ON/OFF=== >System state >ON< PV connection The user can select the PV connection type by this function. ==PV Mode== >PV connection >Multi<...
  • Page 87 Operation on LCD Hard Limit operates differently. When enabled, it sets a threshold value; if the grid- connected power exceeds this value, the machine will disconnect and report an error. ==Export SoftHard== > Soft Limit > Enable < ==Export Control Choose== ==Export SoftHard== >Soft Limit >Soft Limit value...
  • Page 88 Operation on LCD Reactive power >Q Mode >Disable< >Q Mode >Q Set >Reactive Power 30.0 % >Fixed QPower< >Q Mode >PF Set >PF Mode< > 0.800 < This interface is used to set the reactive power. Please set the value according to the requirement of utility grid.
  • Page 89 Operation on LCD >O/V Stage1 > VacOvp1stTime >Grid Protection >Voltage 350.0V 10.00S >U/VStage1 >VacUvp1stTime 150.0V 10.00S >O/V Stage2 >VacOvp2ndTime 350.0V 10.00S >U/V Stage2 > VacUvp2ndTime 150.0V 10.00S > O/V Stage3 > VacOvp3rdTime 350.0 V 10.00S >U/V Stage3 > VacUvp3rdTime 150.0V 10.00S >...
  • Page 90 Operation on LCD >O/V Stage1 > FacOfp1stTime >Frequency >Grid Protection 52.00Hz 10.00S >U/F Stage1 >FacUfp1stTime 48.00Hz 10.00S >O/F Stage2 >FacOfp2ndTime 53.00Hz 10.00S >U/F Stage2 > FacUfp2ndTime 48.00Hz 10.00S > O/F Stage3 > FacOfp3rdTime 52.00Hz 10.00S >U/F Stage3 > FacUfp3rdTime 48.00Hz 10.00S >...
  • Page 91 Operation on LCD >LVRT >Grid Protection >H/L VRT >LVRT 5 -T >LVRT > Enable < > xxx.xxx S < >>LVRT 1 -% >LVRT 6 -T > xxx% V < > xxx.xxx S < >LVRT T4 -T > LVRT 2 -% >xxx.xxx S<...
  • Page 92 Operation on LCD >UF/OF >Grid Protection >Curve Set >PF(p) >Q(u) >P(U) Function >Var-Watt >PF(p) >UF/OF >fULCO >UfDroopRate >PF-Watt >PowerRatio2 50.00 Hz 30.00 % > Disable < >fPmin >EntryDelayTime >PF(p)_3Tau >PowerRatio3 50.00 Hz 10 S 3tau = 0 S >OfDroopRate >ExitDelayTime >EntryVolt >PowerFactor1 30.00 %...
  • Page 93 Operation on LCD >P(u) Function >Q(u) >Q(u) >QuQ1 >P(u) Function >Pu_PowerRatio2 > Disable < 0.01 % > Disable < 50 % >PuGridV1 >Q(u)_3Tau >Pu_PowerRatio3 >QuQ2 200.0 V 3tau = 0 S 50 % 0.01 % >QuGridV1 >PuGridV2 >Pu_PowerRatio4 >QuQ3 200.0 V 200.0 V 50 % 0.01 %...
  • Page 94 Operation on LCD Usually end user do not need to set the grid protection. All default value have been set before leaving factory according to safety rules. If reset is needed, any changes should be made according to the requirements of local grid. ==Grid Protection== >Voltage ARC checks...
  • Page 95 Operation on LCD Checks >DRM Fuction >Anti-PID >Ground Check > Enable < > Enable < > Enable < >Checks >SVG >DI Fuction >Fan Check > Enable < > Disable < > Enable < >MPPT Fuse State > Enter < (Displayed only under Korea safety) >Local Command >Self Test Italy >...
  • Page 96 Operation on LCD All test interfaces are as follows: Uvp(59.S2) Uvp(27.S1) Uvp(27.S2) Ofp(81>.S1) SUCCESS/FAIL SUCCESS/FAIL SUCCESS/FAIL SUCCESS/FAIL xxx.xV xxx.xV xxx.xV xx.xxHz xxx ms xxx ms xxx ms xxxms Vo_R: xxx.xV Vo_R: xxx.xV Vo_R: xxx.xV Fo_R: xx.xxHz To_R: xxxms To_R: xxxms To_R: xxxms To_R:...
  • Page 97 Operation on LCD System Reset Enter >Reset? Reset Factory >Factory Reset Yes/No Done Enter >Reset? Reset Module >Reset Wifi Yes/No Done Enter >Reset? Reset ErrorLogs >System Reset >Reset ErrorLog Yes/No Done Enter >Reset? Reset Energy >Reset Energy Yes/No Done Enter >Reset? Reset Meter >Reset Meter...
  • Page 98 Operation on LCD New Password Press Enter to enter the password setting interface, press Up and Down when it is flashing, then press Enter to confirm the set value. Finally, select SET and press Enter to confirm the password. The user can set the new password here. Users need to increase or decrease the word by pressing Up or Down button.
  • Page 99 10 Operation on SolaX App and Web 10.1 Introduction of SolaXCloud SolaXCloud is an intelligent management platform for home energy, which integrates energy efficiency monitoring, device management, data security communication and other integrated capabilities. While managing your home energy device, it helps you optimize the efficiency of electricity consumption and improve the revenue of power generation.
  • Page 100 Operation on SolaX App and Web 10.2.2 Operation on the App For instructions on related operations, create a new account and / or login to see the online tutorial (Click Service > Help Center) on the SolaXCloud App. < English > Global >...
  • Page 101 11 Troubleshooting and Maintenance 11.1 Power off Turn off the system by System ON/OFF on LCD screen. Switch off the DC and AC switch/breaker and disconnect the inverter from DC Input and AC output. Wait for 5 minutes for de-energizing. WARNING! •...
  • Page 102 Troubleshooting and Maintenance Table 11-1 Troubleshooting list Error Code Fault Diagnosis and Solutions IE 00 ISO_Fail PV insulation impedance below safety value 1. Check the PV string impedance to ground, if there is a short circuit or insufficient insulation please rectify the short circuit point;...
  • Page 103 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 20 PV_VolHigh PV input voltage is higher than the allowable value (PV1-PV12 respectively represents 1-12 PV over voltage) 1. Check the string configuration, reduce the number of PV modules in series, ensure that the open circuit voltage of the string does not exceed the specification requirements, and after the PV array is configured correctly, the inverter alarm will disappear...
  • Page 104 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 53 GridVol_UP1 The grid voltage is lower than the allowable value 1. If it occurs occasionally, it may be a short time abnormality of the power grid, the inverter will return to normal operation after detecting the power grid is normal, no manual intervention is required;...
  • Page 105 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 57 GridFreq_OP1 Grid frequency exceeds allowable value 1. If it occurs occasionally, it may be a short time abnormality of the power grid, the inverter will return to normal operation after detecting the power grid is normal, no manual intervention is required;...
  • Page 106 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 61 PBus_FSW_OVP Bus software over-voltage 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention; 2.
  • Page 107 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 68 SunPWR_Weak Low PV power 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention; 2.
  • Page 108 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 76 Inv_SC_Err Inverter peak over current fault 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention;...
  • Page 109 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 82 AC_TB_NTC_OTP The AC terminal temperature is higher than the allowable value 1. Check if the inverter installation location is well ventilated and the ambient temperature is not beyond the maximum permissible ambient temperature range, if the ventilation is not good or the ambient temperature is too high, please improve the ventilation and heat dissipation condition;...
  • Page 110 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 92 Comm_CAN_Err Internal CAN failure 1. If the abnormality is introduced by an external fault, the inverter automatically resumes normal operation after the fault disappears without manual intervention; 2. If this alarm occurs frequently, please contact the installer.
  • Page 111 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions Screen on but no Contact SolaX for help. content display 11.3 Maintenance Regular maintenance is required for the inverter. Please check and maintain the following items based on the instructions below to ensure the optimal performance of the inverter. For inverters working in inferior conditions, more frequent maintenance is required.
  • Page 112 Troubleshooting and Maintenance Item Check notes Maintenance interval • Check if there is any damage on the inverter. General status • Check if there is any abnormal sound when the Every 6 months of inverter inverter is running. • Check that if the cooling fans on the rear of inverter are covered by dirts, and the device Cooling fans Every time as-needed...
  • Page 113 Troubleshooting and Maintenance 11.4 Upgrading Firmware WARNING! • Make sure that the type and format of the firmware file are correct. Do not modify the file name. Otherwise, the inverter may not work properly. • Do not modify the folder name and file path where the firmware files are located, as this may cause the upgrade to fail.
  • Page 114 Troubleshooting and Maintenance NOTICE! • If upgrading succeeds, the communication indicator (blue) turns off and other indicators are on. • If upgrading fails, only alarm indicator (red) is on. Please contact our service support for solutions. • For inverters with LCD Screen: During upgrading process, users can see the steps of the upgrade displayed on the LCD screen.
  • Page 115 12 Decommissioning 12.1 Disassembling the Inverter WARNING! Strictly follow the steps below to disassemble the inverter. • Only use the dedicated removal tool delivered with the inverter to disassemble the PV connector. • Before dismantling the inverter, please be sure to turn off the DC switch and AC breaker, and then unplug the PV and AC cables, otherwise it will lead to an electric shock hazard.
  • Page 116 Decommissioning Step 4: Open the AC wiring box and disconnect the AC connectors. Step 5: Disconnect communication and optional connection wirings. For releasing the communication cable, please keep the buttons on the two sides, pressed and pull out the cable to make it unlocked. Figure 12-3 Releasing the communication cable Step 6: Put the original terminal caps on the terminals.
  • Page 117 Decommissioning 12.2 Packing the Inverter • Use the original packaging materials if available. Figure 12-4 Packing the inverter • If the original packing material is not available, use the packing material which meets the following requirements: » Suitable for the weight and dimension of product »...
  • Page 118 13 Technical Data 13.1 DC Input • DC input of 40kW ~ 70kW inverter Model X3-FTH-40K-LV X3-FTH-50K-LV X3-FTH-60K-LV X3-FTH-70K-LV Max. PV array input power [kWp] Working voltage 180-650 range [d.c. V] Full-load MPPT 300-600 voltage range [d.c. V] Nominal input voltage [d.c.
  • Page 119 Technical Data X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 75K(L) 80K(L) 100K(L) 110K(L) 120K(L) 125K(L) 136K-MV(L) 150K-MV(L) Model X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 100K 110K 120K 125K 136K-MV 150K-MV Max. PV input current per MPPT [d.c. A] Isc PV Array Short Circuit current per MPPT [d.c.
  • Page 120 Technical Data • AC output of 75kW ~ 150kW inverter X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 75K(L) 80K(L) 100K(L) 110K(L) 120K(L) 125K(L) 136K-MV(L) 150K-MV(L) Model X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 100K 110K 120K 125K 136K-MV 150K-MV Rated AC output power [kW]...
  • Page 121 Technical Data • System data of 75kW ~ 150kW inverter X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 75K(L) 80K(L) 100K(L) 110K(L) 120K(L) 125K(L) 136K-MV(L) 150K-MV(L) Model X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 100K 110K 120K 125K 136K-MV 150K-MV Max.
  • Page 122 Technical Data • Protection of 75kW ~ 150kW inverter X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 136K- 150K- 75K(L) 80K(L) 100K(L) 110K(L) 120K(L) 125K(L) Model MV(L) MV(L) X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- X3-FTH- 100K 110K 120K 125K 136K-MV 150K-MV Over/under voltage...
  • Page 123 14 Appendix 14.1 Control Output Power with RRCR The inverter can be connected to a RRCR (Radio Ripple Control Receiver) in order to dynamically control the output power of all the inverters. Users can control and limit the active power on the LCD by setting the active power limitation, which is a fixed power limit as a percentage, i.e.
  • Page 124 Appendix COM port COM port COM port COM port Active Cos(φ) Pin 11 Pin 12 Pin 13 Pin 14 power Short circuit with RG/0 Short circuit with RG/0 Short circuit with RG / 0 Short circuit 100% with RG / 0 •...
  • Page 125 Appendix 14.2 Application of Parallel Function Datahub Parallel Connection The series inverter provides the parallel connection function when connected with Datahub, which could support at most 60 inverters to parallel in one system and can control zero injection to the grid with a meter installed in the main circuit. In this parallel system, the Datahub will be the master of the system, and all the inverters are the slaves.
  • Page 126 Appendix NOTICE! Datahub Installation Guide. • For details on the wiring operation of Datahub, see Modbus Parallel Connection The device offers master-slave parallel connection for up to 10 devices, with one serving as the master and the others as slaves. A 485 communication wire must be attached directly to the inverter.
  • Page 127 Appendix Port Definition RS485A IN+ RS485B IN- RS-485-1 RS485A OUT+ RS485A OUT- RS485A METER RS-485-1 RS485B METER Setting procedure • Slave setup: The slave device needs to set its Modbus address and baud rate. Set the Modbus address of the slave device on the power station to 2 ~ 11 (up to 10 devices are supported at present) and the baud rate to 9600.
  • Page 128 Contact Information AUSTRALIA UNITED KINGDOM Unit C-D Riversdale House, Riversdale 21 Nicholas Dr, Dandenong South VIC 3175 Road, Atherstone, CV9 1FA +61 1300 476 529 +44 (0) 2476 586 998 service@solaxpower.com.au service.uk@solaxpower.com TURKEY GERMANY Fevzi Çakmak mah. aslım cd. no 88 A Am Tullnaupark 8, 90402 Nürnberg, Karatay / Konya / Türkiye Germany...
  • Page 129 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. 320101031213...

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