Summary of Contents for SolaX Power X3-ULTRA Series
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X3-ULTRA User Manual 15 kW / 19.9 kW / 20 kW / 25 kW / 30 kW eManual in the QR code or at www.solaxpower.com http://kb.solaxpower.com/...
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No part of this manual may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means without the prior written permission of SolaX Power Technology (Zhejiang) Co., Ltd. Trademarks and other symbol or design (brand name, logo) that distinguishes the products or services offered by SolaX has been trademark protected.
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About This Manual Scope of Validity This manual is an integral part of X3-ULTRA series inverter. It describes the 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: •...
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Conventions The symbols that may be found in this manual are defined as follows. Symbol Description Indicates a hazardous situation which, if not avoided, DANGER will result in death or serious injury. Indicates a hazardous situation which, if not avoided, WARNING could result in death or serious injury.
Safety General Safety The series inverter has been meticulously designed and thoroughly tested to comply with all 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.
Safety 1.2.1 Safety Instructions of PV DANGER! Potential risk of lethal electrical 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. •...
Safety WARNING! • During operation, avoid touching any parts of the inverter other than the DC switch and LCD panel. • Never connect or disconnect the AC and DC connector while the inverter is running. • Prior to conducting any maintenance, turn off the AC and DC power and disconnect them from the inverter.
Product Overview System Description The X3-ULTRA series is a versatile inverter that includes inversion, solar charging, and battery charging, etc. It greatly meets the requirements of solar-powered roofs and supports various intelligent solutions such as load management, wireless metering, dual battery terminals, microgrids, etc., to achieve efficient and economical energy utilization.
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Product Overview Generator (supported) The generator guarantees a reliable supply in industrial plants, backup systems and off-grid communities. SolaX PV-Genset solution ensures optimum interaction between the photovoltaics and diesel generator, which saves fuel, lowers energy costs and ensures a stable and reliable power supply. Please refer to "14.1 Generator Application"...
Product Overview Supported Power Grid There are different ways of wiring for different grid systems. TT / TN-S / TN-C-S are shown as below: 400 V 400 V 400 V 230 V 230 V 230 V L1 L2 L3 1.L-N: 230 V L-L: 400 V Inverter 2.L-N: 220 V...
Product Overview Appearance Nameplate LCD panel Electrical DC switch connection area Figure 2-5 Apprearance Table 2-1 Description of appearance Item Description Nameplate clearly identifies the device type, serial number, specific Nameplate DC/AC parameters, certification, etc. Including screen, indicators and keys. LCD panel Screen displays the information;...
Product Overview Symbols on the Label and Inverter Table 2-2 Description of symbols Symbol Description CE mark. The inverter complies with the requirements of the applicable CE guidelines. TUV certified. UKCA mark. The inverter complies with the requirements of the applicable UKCA guidelines.
DC SPD BAT 1 BAT1+ BAT 1 Circuit BAT1- Filter AC SPD BAT2 BAT2+ BAT 2 Circuit BAT2- Filter Figure 2-6 Circuit Diagram for X3-ULTRA series inverter NOTICE! • MPPT 3 is available for 25 kW and 30 kW inverter.
Product Overview 2.5.2 Application Schemes Inverter PV COM BAT1 BAT2 Grid Breaker Main Breaker R S T BMS1 BMS2 Meter/ Grid … … Battery 2 Battery 1 Loads Loads … … N-BAR for loads N-BAR for EPS loads Distribution box Figure 2-7 Partial home backup for Europe Inverter Breaker...
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Product Overview Inverter Breaker Main Breaker PV COM BAT1 BAT2 Grid R S T BMS1 BMS2 Meter/ Grid … … Battery 1 Battery 2 Loads Loads … … N-BAR for N-BAR for loads EPS loads Distribution box Figure 2-9 Partial home backup for Australia Inverter Breaker Main Breaker...
Product Overview Working State The series inverter has Waiting, Checking, Normal, EPS Checking, EPS, Fault, Idle and Standby state. Table 2-3 Description of working state State Description The inverter is waiting for the following two conditions to be met Waiting in order to enter the Checking state.
Product Overview Working Mode Six working modes are available for you to choose in on-grid status, i.e Self use, Feed-in priority, Backup, Peak shaving, Schedule and Manual. You can choose the working modes according to your lifestyle and environment. When the power supply from the electric power company is stopped due to a power outage, it automatically switches to EPS mode and connects to the distribution board for a specific load, thereby providing power to important electrical appliances.
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Product Overview PV is sufficient (PV → load → battery → grid) • The power generated from PV prioritizes supplying the load. Any excess power is then directed towards charging the battery, and if there is still surplus electricity, it can be sold to the grid.
Product Overview 2.7.2 Feed-in Priority (Priority: Loads > Grid > Battery) The feed-in priority mode is suitable for areas with high feed-in subsidies, but has feed- in power limitation. The power generated from PV is directed towards supplying the loads. Any excess power beyond the load requirements will be fed into the grid, and the remaining power will be utilized to charge the battery.
Product Overview Time period Inverter working status • Charge the battery firstly untill the battery SOC reaches the Forced charging specified Charge battery to value. You can configure the period inverter to either draw power from the grid or not. PV is sufficient (PV →...
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Product Overview Power Backup Mode (Assu ming p eak p ower from 7: 00 to 23: 00) Idea: Based on the Self u se mode, the minimu m PV input power SOC is increased to p rep are for a p ower ou tag e. Su rp lu s will b e sold to the u tility Load p ower cu rve...
Product Overview Note: Min SOC (on-grid min SOC): Minimum SOC under grid connection. 30% by default, the settable range is 30%~100%. Min SOC (off-grid min SOC): Minimum SOC under off-grid conditions. 10% by default, the settable range is 10%~100%. NOTICE! •...
Product Overview Grid consumption power < PeakLimits (PV + grid → load) • The PV and grid will power the load. The battery will not charge or discharge power. Period B & D Grid consumption power PeakLimits > (PV + battery + grid → load) •...
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Product Overview Time Slot Working Mode Choose one mode from Self-use / Feed-in Priority / Peaking shaving / 22:00~23:00 Charging / Discharging Choose one mode from Self-use / Feed-in Priority / Peaking shaving / 23:00~24:00 Charging / Discharging Note: Self-use: Same working logic with "2.7.1 Self-use Mode", but it is not limited by the charging and discharging time slots.
Product Overview 2.7.6 EPS Mode (Priority: Loads > Battery) During a power failure, the system will provide uninterrupted power supply to the EPS loads using the power from PV and the battery. It is important to ensure that a battery is installed, and the EPS loads should not exceed the maximum output power of the battery.
Product Overview Min ESC SOC: The minimum SOC of the battery to enter EPS mode. 30% by default, the settable range: 15%-100%. NOTICE! • When the battery supplies power to the load, the available capacity of the battery decreases as the SOC decreases. 2.7.7 Manual Mode This working mode is only for the after-sales team to do after-sales maintenance.
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Product Overview 6 kW 0 kW 0 kW 0 kW 0 kW 0 kW Meter Grid Inverter: 15 kW Pmax: 15 kWp Load: 6 kW Figure 2-18 Zero export control with Phase Unbalance enabled Note: Export Control value can be set from 0W to more than the rated output power. For how to set the Export Control function, please refer to "Setting Export Control".
Transportation and Storage If the inverter is not put into use immediately, the transportation and storage requirements needs to be met: Transportation • Observe the caution signs on the packaging of inverter before transportation. • Pay attenting to the weight of inverter. Be cautious to avoid injury when carrying X3-ULTRA (gross weight: 62 kg).
Preparation before Installation Selection of Installation Location The installation location selected for the inverter is quite critical in the aspect of the guarantee of machine 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.
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! •...
Preparation before Installation NOTICE! • Please take the weight of battery into account when wall-mounting the whole system. 4.1.3 Clearance Requirement The minimum clearance reserved for the connected terminal at the bottom of inverter should be 10 cm. When planning installation space, it is important to simultaneously consider the bending radius of the wires.
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. Hammer drill Multimeter Measuring tape Utility knife Flat-head screwdriver Marker Cross screwdriver Diagonal pliers Crimping tool for PV terminals Wire stripper Crimping tool for RJ45...
Preparation before Installation Additionally Required Materials Table 4-8 Additionally required wires Conductor Required Material Type Cross-section Dedicated PV wire with a voltage rating of 1000 V, a temperature PV wire 4 mm² resistance of 105 ℃ , a fire resistance grade of VW-1 Communication Network cable CAT5E wire 1...
Unpacking and Inspection Unpacking • The inverter undergoes 100% testing and inspection before shipping from the manufacturing facility. However, transport damage may still occur. Before unpacking the inverter, please check the outer packing materials for damage, such as holes and cracks. •...
Mechanical Installation WARNING! • Only the qulalified personel can perform the mechanical installation following the local standards and requirements. • Check the existing power cables or other piping in the wall to prevent electric shock or other damage. CAUTION! • Always be aware of the weight of the inverter. Personal injuries may result if the inverter is lifted improperly or dropped while being transported or mounted.
Mechanical Installation Dimensions for mounting Check the dimensions of the bracket before mounting and reserve sufficient space for heat dissipation and installation of the whole system. Figure 6-3 Dimensions 1 (Unit: mm) Ø 619.5 Figure 6-4 Dimensions 2 (Unit: mm)
Mechanical Installation Installation procedures Step 1: Align the Bracket horizontally on the wall and mark the position of the drill holes. Figure 6-5 Marking the holes NOTICE! • Take the height of the stacked battery into account when mounting the Bracket. •...
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Mechanical Installation Figure 6-7 Inserting the screws Step 4: Open the anti-static bag and take out the machine, and then install the Handles. Figure 6-8 Install the Handles NOTICE! • If the inverter is temperally needed to be placed on the ground, use foam or other protective materials to prevent any damage of inverter.
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Mechanical Installation Step 6: Secure the inverter to the Bracket with M5 screw, 0.8± 0.1 N·m Figure 6-10 Securing the inverter Step 7: (Optional) For safety reason, install an anti-theft lock. Please note that the lock is not in the scope of delivery. Prepare it suitable for the lock hole diameter (Ø10 mm) by yourself.
Electrical Connection DANGER! • Before electrical connection, make sure the DC switch and AC breaker are disconnected. Otherwise, electrical shock may be caused by high voltage, resulting in serious personal injury or death. WARNING! • Only the qulalified personel can perform the electrical connection following the local standards and requirements.
CAUTION! • In compliance with IEC62109-2, the X3-ULTRA series inverter has the grounding detection function which is used to check whether the inverter is properly grounded before it starts. If the the inverter is not connected with earth, the inverter will turn on...
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Electrical Connection PE connection procedures Step 1: Strip the insulation of conductor by wire stripper. 4-6 mm2 Figure 7-2 Striping the PE cable Step 2: Pull the heat-shrink tubing over the PE cable and insert the stripped section into the OT terminal. Figure 7-3 Installing the tubing and OT teriminal Step 3: Crimp it with crimping tool, pull the heat-shrink tubing over the stripped...
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Electrical Connection Figure 7-5 shrinking the tubing Step 4: Loosen the PE screw on the inverter with cross screwdriver. 2.0± 0.2 N·m Figure 7-6 Uninstalling the screw Step 5: Connect the PE cable to the inverter and secure it with the original screw (Torque: 2.0±0.2 N·m).
Electrical Connection AC Connection NOTICE! • Before connecting the inverter to the grid, approval must be received by local utility as required by national and state interconnection regulations. The inverter has an EPS function. When the grid is connected, the inverter outputs go through the on Grid terminal, and when the grid is disconnected, the inverter outputs go through the EPS terminal.
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Electrical Connection Table 7-3 EPS load information Equipment Start power Type of load Lamp Equal to rated power Equal to rated power Resistive load Hairdryer Equal to rated power Fridge 3-5 times rated power Air conditioner 3-6 times rated power Inductive load Washing machine 3-5 times rated power...
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Electrical Connection Remove Figure 7-9 Disassembling the AC connector Step 3: Thread the Grid cable through swivel nut and connector enclosure in sequence. Figure 7-10 Threading the Grid cable Step 4: Insert the conductors L1, L2, L3, N, and grounding conductor into the ferrules. Use crimping tool for ferrules to crimp it.
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Electrical Connection Step 5: Insert the crimped conductors L1, L2, L3, N, and grounding conductor into the terminal block according to the labeling and tighten the terminal block screws (torque: 2.0 ± 0.1 N·m). Insert the ferrite core and terminal block into the connector enclosure and tighten the swivel nut clockwise.
Electrical Connection PV Connection DANGER! • High DC voltage will be generated by PV modules when exposed to sunlight. Death or lethal injuries will occur due to electric shock. • Make sure the DC switch and AC breaker are disconencted from the inverter before connection .
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Electrical Connection Wiring procedures Step 1: Strip approx. 7 mm of the cable insulation. 4 mm² Figure 7-14 Striping the PV cable Step 2: Insert the stripped cable into the PV pin contact. Ensure that the stripped cable and the PV pin contact are of the same polarity. Crimp it with crimping tool for PV terminal.
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Electrical Connection Figure 7-17 Threading the PV cable Click! Click! Figure 7-18 Securing the PV cable Step 4: Use a multimeter to measure the positive and negative voltage of the assembled PV connectors. Make sure the open circuit voltage does not exceed the input limit of 1000 V.
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Electrical Connection Step 5: Remove the PV terminals caps and connect the assembled PV connectors to corresponding terminals until there is an audible "Click". The PV+ on the string side must be connected to the PV+ on the inverter side, and the PV– on the string side must be connected to the PV–...
Electrical Connection Battery Power Cable Connection DANGER! • Make sure the breaker of battery is in OFF position. • Always ensure correct polarity. Never reverse the polarity of the battery cables as this will result in inverter damage. Requirments for battery connection •...
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Electrical Connection • The battery connection scheme » Battery connection in one string. Inverter Inverter Series Box BAT- BAT+ COMM • For T-BAT-SYS-HV-S2.5/3.6, up to 13 battery modules can be connected. • For T-BAT-SYS-HV-5.8, up to 4 battery modules can be connected.
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Electrical Connection Inverter T-BAT H5.8 T-BAT H5.8 HV11550 HV11550 BAT- HV11550 HV11550 BAT+ COMM HV11550 HV11550 • Up to 8 battery modules can be connected. Figure 7-23 Battery connection in two strings (T-BAT-SYS-HV-5.8)
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Electrical Connection » Battery connection with BMS-Parallel Box-II G2 (The BMS-Parallel Box-II G2 can be used with T-BAT-SYS-HV-5.8) (Coming soon) Inverter BMS-Parallel Box-II G2 HV11550 T-BAT H5.8 HV11550 T-BAT H5.8 HV11550 HV11550 HV11550 HV11550 BAT- BAT+ COMM HV11550 HV11550 HV11550 HV11550 •...
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Electrical Connection Wiring procedures WARNING! • The terminal caps of unused terminals should not be removed. Keep the terminal caps in a safe place if batteries are connected to the inverter. Reinstall the caps after removing the connectors from terminals. NOTICE! •...
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Electrical Connection Figure 7-27 Threading the battery cable Step 3: Close the spring until a "Click" is heard. Make sure that the spring is snapped in. Click! Figure 7-28 Press down on the Spring Step 4: Push the insert into the sleeve. Tighten the cable gland to 2.0 ± 0.1 Nm. 2.0±...
Electrical Connection COM 1 Communication Connection 7.6.1 Pin Assignment of COM 1 Teriminal The COM 1 teriminal is used for parallel connection via Parallel-1 and Parallel-2 communication terminal, battery communication via BMS-1 and BMS-2 terminal, external equipment communication via RS485 and DRM function. Parallel-1 Parallel-2 1: Parallel_485A...
Electrical Connection 7.6.2 Parallel Connection The inverter provides the parallel connection function. One inverter will be set as the “Master inverter” to control the other "Slave inverters" in the system. The maximum number of parallel-connected inverters is as follows: Table 7-4 Maximum number of inverter parallelled X3-ULT- X3-ULT- X3-ULT-...
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Electrical Connection PV+ PV- Battery PV+ PV- Battery Inverter Inverter Master Slave Grid Grid PE PE R S T R S T Meter/CT Parallel 2 Parallel 1 Parallel 2 Parallel 1 Meter Grid R S T Three-phase Single-phase Single-phase Single-phase Three-phase Normal Load Normal Load...
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Electrical Connection Detailed parallel system • Parallel connection with X3-PBOX-150kW-G2. » Use standard network cables for Master-Slave inverter connection. » Master inverter Parallel-1 connects to the COM terminal of X3-PBOX- 150kW-G2. » Master inverter Parallel-2 connects to Slave 1 inverter Parallel-1. »...
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Electrical Connection Parallel connection wiring procedure Step 1: Loosen the screws on the COM 1 terminal. Pinch the tabs on the sides of the COM 1 connector enclosure and pull it at the same time to disassemble it. Figure 7-35 Removing the connector enclosure Step 2: Anti-clockwise loosen the swivel nut and pull out the sealing plugs.
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Electrical Connection Figure 7-38 Installing RJ45 terminal to the cable fixture Step 5: Connect the assembled connector to COM 1 terminal. Ensure the cable fixture tongue is well inserted into the slot of terminal. You will hear an audiable "Click" if it is connected securely.
Electrical Connection 7.6.3 BMS Communication Connection Through BMS-1 and BMS-2 communication terminal, two models of batteries can be communicated with inverter. BMS connection diagram *For detailed connection on the battery side, please see documentation of the battery manufacturer. Figure 7-41 BMS connection diagram BMS wiring procedure Step 1: Loosen the screws on the COM 1 terminal.
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Electrical Connection Figure 7-42 Installing RJ45 terminal to the cable fixture Step 5: Connect the assembled connector to COM 1 terminal. Make sure the cable fixture part is well inserted into the slot of terminal. You will hear an audiable "Click" if it is connected securely.
Electrical Connection 7.6.4 RS485 Communication Connection For SolaX products, such as the Adapter Box, EV-Charger, and Datahub they can be connected to pin3 and pin 6 or pin4 and pin5. As for pin1, pin2, pin7,and pin8 they can be utilized to connect devices other than SolaX products. If you require simultaneous connections of multiple devices, a splitter adapter can be employed.
Electrical Connection Step 4: Install the network cable to RS485 of cable fixture according to the labeling. Figure 7-45 Installing RJ45 terminal to the cable fixture Step 5: Connect the assembled connector to COM 1 terminal. Make sure the cable fixture tongue is well inserted into the slot of terminal.
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Electrical Connection Do not generate at more than 75% of rated power and sink reactive DRM 7 power if capable. Increase power generation (subject to constraints from other active DRM 8 DRMs. DRM connection wiring procedure Step 1: Loosen the screws on the COM 1 terminal. Pinch the tabs on the sides of the COM 1 connector enclosure and pull it at the same time to remove it.
Electrical Connection COM 2 Communication Connection 7.7.1 Pin Assignment of COM 2 Teriminal The COM 2 terminal is used for Meter/CT connection, ripple control and DIO function. Meter/CT Ripple control Table 7-6 Pin assignment of COM 2 terminal Pin assignment Meter/CT CT_R1_CON CT_S1_CON...
Electrical Connection Pin assignment DIO port DO_1 DO_2 DI_1+ DI_1- DI_2+ DI_2- GND_COM 7.7.2 Meter/CT Connection The inverter should work with an electric meter or current transformer (CT for short) to monitor household electricity usage. The electricity meter or CT can transmit the relevant electricity data to the inverter or platform.
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Electrical Connection Meter/CT Connection Diagram NOTICE! • The following figures take inverter with Meter DTSU666 as an example. • If you have other power generation equipment (such as an inverter) at home and wants to monitor both equipment, our inverter provides Meter 2 communication function to monitor the power generation equipment.
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Electrical Connection • CT connection diagram CT-T CT-S CT-R Grid E-BAR The arrows direction on the CT must point to the public grid side. Grid Inverter … L line Loads … N-BAR for loads Figure 7-48 CT connection diagram NOTICE! •...
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Electrical Connection CT_S2_CON For CT connection CT_R2_CON Meter/CT wiring procedure Step 1: Loosen the screws on the COM 2 terminal. Pinch the tabs on the sides of the COM 2 connector enclosure and pull it at the same time to remove it. Figure 7-50 Disassembling the COM 2 terminal Step 2: Loosen the swivel nut and pull out the sealing plugs.
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Electrical Connection Step 4: Connect the assembled communication cable into the COM 2 terminal. Secure the assembled connector on COM 2 terminal. Install the connector enclosure back into the COM 2 terminal. Install the cable support sleeve into the enclosure. Tighten M3 screw to secure it.
Electrical Connection 7.7.3 Ripple Control Communication Connection Ripple Control is a common form of grid management. Its communication is based on superimposing a very high frequency signal onto the 50/60Hz mains power. The inverter supports to connect a digital signal source (e.g. ripple control receiver) to the digital input. Requirments for Ripple control •...
Electrical Connection Step 3: Strip approx.6 mm of the cable insulation. Insert the conductors into the 8-pin terminal block and tighten the terminal screws. (torque: 1.5 N·m.) Ensure that the conductors are firmly seated in the terminal. Four-core Four-core Figure 7-58 Connecting to 8-pin terminal block Step 4: Connect the assembled communication cable into the COM 2 terminal.
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Electrical Connection DI_1+ For system switch dry contact input DI_1- DI_2+ Reserved DI_2- Reserved GND_COM NOTICE! • If there is strong interference in the surroundings, it is recommended to use shielding cables and ground the shielding layer of the cables. System switch connection diagram DIO terminal System switch...
Electrical Connection Four-core Three-core Figure 7-61 Connecting to 7-pin terminal block Step 5: Connect the assembled communication cable into the COM 2 terminal. Lightly pull the cable to confirm tight insertion and then install the connector back. 0.6 ± 0.1 N·m Figure 7-62 Connecting to the inverter Monitoring Connection The inverter provides a DONGLE terminal, which can transmit data of the inverter to the...
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Electrical Connection SolaX Cloud Router Figure 7-64 LAN mode connection diagram Monitoring wiring procedure Wi-Fi mode: Assemble the dongle; M2.5 0.8 ± 0.1 N·m Figure 7-65 Assembling the dongle Plug the dongle to the inverter. Figure 7-66 Wi-Fi connection procedure CAUTION! •...
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Electrical Connection NOTICE! • The longest connection distance between the router and the equipment should be no more than 100 meters; if there is a wall between the router and the equipment, the longest connection distance is 20 meters. • When the Wi-Fi signal is weak, please install a Wi-Fi signal booster at the appropriate location.
System Commissioning Checking before Power-on Check if the device installed correctly and securely; Make sure that all the DC breakers and AC breakers are OFF; All DC, AC cables and communication cables are connected correctly and securely; The ground cable is connected correctly and securely; Make sure the meter/CT is connected correctly and securely;...
Operation on LCD Introduction of Control Panel Operating indicator light Timely output power Power Today’s energy Today 0.0KWh Battery Battery indicator light Normal Down Error indicator light Enter Battery connection status Battery SOC Status or error information Figure 9-1 Control Panel •...
Operation on LCD Table 9-2 Definition of keys Definition Exit from the current interface or function ESC key Move the cursor to the upper part or increase the value Up key Move the cursor to the lower part or decrease the value Down key Confirm the selection Enter key...
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Operation on LCD Battery1 System status Battery2 On-grid Meter/CT • Parallel Status: Dispaly all the status data from master inverter when the inverters are parallel-connected. • History Data: Display the history data of On-grid, EPS, E_fEEDIN, E_USERDEF and Error Log. On-grid History Data E_Feedin...
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Operation on LCD Parallel Setting Safety Code Main Breaker Limit Grid Parameters Charger Phase Unbalanced EPS Setting Export Control AS4777 Setting Meter/CT Settings Self Test ExternalGen Reset GMPPT Advance Setting Battery Heating Modbus Extend BAT FUNC External ATS HotStandby Setting Power Factor Pgrid Bias Pu Funtion...
Operation on LCD System ON/OFF Setting path: Menu>System ON/OFF Select ON or OFF to switch on and off the inverter. The interface is displayed ON by default. When you select OFF, the inverter stops running. ====System ON/OFF==== Switch > < Mode Select Selecting path: Menu>Mode Select Here you can only select the working mode.
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Operation on LCD ====System Status==== ======Battery1======= >U 0.0V 0.0A >Battery1 Battery2 ======Battery1======= Cell Temp 20℃ BMS Connected • On-grid status: Information contains the voltage, current, frequency, and output power of Grid terminal. The "A", "B" and "C" in On-grid A, On-grid B and On-grid C refers to L1, L2 and L3 respectively.
Operation on LCD Parallel Status Displaying path: Menu>Parallel Status NOTICE! • Once inverter enters parallel system, the Today yield will be replaced by Parallel. In Parallel Status interface, the whole system power and individual slave inverter power can be obtained in status display of master inverter. The number displayed in the Parallel Status interface refers to the totoal number of online inverters, for example two inverters in parallel in the below figure.
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Operation on LCD =====History Data===== >On-grid E_Feedin ======On-grid====== ======On-grid====== >Output Today >Output Total 0.0kWh 0.0kWh ======On-grid====== ======On-grid====== >Input Today >Input Total 0.0kWh 0.0kWh • EPS: A record of the output electric energy of the inverter totay and the total. when it is disconencted from grid. (through EPS terminal) =====History Data===== >EPS E_Feedin...
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Operation on LCD =====History Data===== >E_Feedin E_USERDEF Error Log ======E_Feedin====== ======E_Feedin====== >Feedin Today >Feedin Total 0.0kWh 0.0kWh ======E_Feedin====== ======E_Feedin====== >Consume Today >Consume Total 0.0kWh 0.0kWh • E_USERDEF: The electricity of the connected on-grid inverter totay and the total.(detected by Meter 2) This function is only available when the meter 2 is connected.
Operation on LCD Setting Settings includes User Settings and Advanced Settings. 9.8.1 User Setting Setting path: Menu>Setting ("0 0 0 0 ")>User Setting NOTICE! The default password for User Setting is "0 0 0 0". Setting Date & Time You can set the current date and time of the installation site. The display format is "2023-06-16 14:00", in which the first four numbers represent the year (e.g.
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Operation on LCD =====User Setting===== ======EPS Mute====== Language >EPS Mute >Mute: Self Use Mode Setting Self Use Mode Please refer to "2.7.1 Self-use Mode" for working logic of this mode. • Min SOC: Default: 10%; range: 10%~100% » The minimum SOC of the battery. The battery will not discharge power when the SOC of the battery reaches this value.
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Operation on LCD =====User Setting===== ====Feedin Priority==== Self Use Mode >Min SoC >Feed-in Priority Backup Mode Charge battery to: Default: 50%; range: 10%~100% • » Set the amount of SOC to charge the battery from grid (applicable only when the Charge from grid is enabled). »...
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Operation on LCD Here you can set the Forced Charg Perid and Allowed Disc Period. If two charging and discharging periods are needed, enable the Function Control to activate the Char&DischargPeriod2. Char&Disc Period: You can set the charge and discharge time according to your •...
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Operation on LCD » PeakLimits1: Default:0 W, range: 0-60000 W Once the consumption (grid side) reaches this value, the inverter will start shaving to keep the consumption lower than this value. » ShavingStartTime: Default: 7:00 The battery starts discharging to shave consumption from the set time. »...
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Operation on LCD ==Peak shaving mode== ===ChargeFromGrid=== ChargeFromGrid >ChargeFromGrid > Enable < Reserved_SOC ===ChargeFromGrid=== ===ChargeFromGrid=== >MAX_SOC ChargePowerLimits 1000W • Reserved_SOC: Default: 50%; range: 10%-100% » It can be used in specific time period. In this period, inverter does not allow taking grid energy to charge battery.
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Operation on LCD heat pump works for them. (see Step C)heat pump works for them. (see Step Set the parameters for mode SmartSave. In this mode, you can set Thresholds on Feedin power, Thresholds off Consumption, Thresholds off Battery SOC, Mnimum duration per on-signal, Minimum duration per day and Schedule in accordance with your actual needs.
Operation on LCD ===Load Management=== ===Load Management=== Work Period 1 Work Period 1 End Time Start Time 00:00 00:00 ===Load Management=== ===Load Management=== Work Period 2 Work Period 2 End Time Start Time 00:00 00:00 » Mode Priority: Minimun/Maximum duration > Schedule >Thresholds on/off Setting User Password The default password is "0 0 0 0".
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Operation on LCD Setting Grid parameters The default value is the specified value under the current safety regulations. The contents will be displayed according to the requirements of local laws and regulations. Please refer to the actual contents displayed on the LCD screen on the inverter. ====Grid Parameters==== >Overvoltage Undervoltage...
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Operation on LCD Region Australia A Australia B Australia C New Zealand Standarad AS4777_2022 AS4777_2022 AS4777_2022 Setting New Zealand Code Name Range 15-1000 Startup-T 60 s 60 s 60 s 60 s Restore-T 60 s 60 s 60 s 60 s 15-600 s Recover- 253 V...
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Operation on LCD ====Export Control==== >Soft Limit value 30000W Meter/CT Setting CT or electricity meter is needed to connect with the inverter. Meter is set by default. NOTICE! • If the user has other power generation equipment (such as inverter) at home and wants to monitor both, the inverter provides Meter 2 communication function to monitor the power generation equipment.
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Operation on LCD ====CT/MeterSetting==== ====CT/MeterSetting==== ====CT/MeterSetting==== >Meter 2 Addr >Meter 2 Direction >External INV Positive Enable » Case 4: Meter 1 and Meter 2 are connected. (Meter 1 for SolaX Hybrid inverter, Meter 2 for another power generation equipment or Meter 1 for another power generation equipment, Meter 2 for SolaX Hybrid inverter).
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Operation on LCD Setting External ATS External ATS function is used to achieve automatic switching from grid connection mode to off grid mode or from off grid mode to grid connection model by using external ATS equipment. The function is disabled by default. When the X3-PBOX-150K G2 is connected in the parallel system, please enable the function.
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Operation on LCD PflockOutPoint Curve 3Tua SetQuPower1 SetQuPower2 SetQuPower3 SetQuPower4 QuRespondV1 QuRespondV2 Q(u) QuRespondV3 QuRespondV4 3Tua QuDelayTimer QuLockEn Fixed Q Power Q Power • Reactive power control, reactive power standard curve cos Ø = f(P) » For VDE ARN 4105, the curve cos Ø = f(P) should refer to curve A. The set default value is shown in curve A.
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Operation on LCD Power Factor is 0.90 at 1.0 power. cos Ø Leading 0.95 P/PEmax 0.95 Lagging Curve B cos Ø Leading P/PEmax Lagging Curve C » *) Depend on the required Q capacity V1=1.10Vn Qmax V2=1.08Vn=QuVlowRate V3=0.90Vn V4=0.92Vn=QuVlowRate -Qmax Setting Pu Function (Applicable to specific countries, please refer to local grid requirements.) The PU function is a volt-watt response mode required by certain national standards such...
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Operation on LCD ====Pu Function==== ====Power Factor==== >Pu Function Response V1 > Enable < 220.0V Setting PVRT function PVRT consists of HVRT (High Voltage Ride Through) and LVRT (Low Voltage Ride Through). With PVRT function, the series inverter can ensure continuous operation without disconnecting from the grid within a certain range of voltage sudden rise and drop in a certain time interval.
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Operation on LCD Setting Parallel Setting There are two modes in parallel system, and your acknowledge of different inverter’s work modes will help you understand parallel system better, therefore please read it carefully before operating. In parallel system, there are three status: Free, Slave and Master. Only if no one inverter is set as a Master, all inverters are in Free free mode in the system.
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Operation on LCD How to remove the parallel connection Select the Parallel Settings and select Free for Master inverter and Slave inverter. ====Parallel Setting==== >Setting Free Disconnect all the network cables on the Parallel-1 and Parallel-2 terminal. NOTICE! • If a slave inverter is set to Free mode but not disconnect the network cable, this inverter will return to Slave mode automatically.
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Operation on LCD Three phase inverter Load 1 Load 2 Load 3 4 kW 5 kW 6 kW 5 kW 5 kW 5 kW Meter Setting EPS Setting Select and enter EPS Setting interface and set Frequency, Min SOC and Min ESC SOC. •...
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Operation on LCD Setting AS4777 Setting The function of AS4777 Setting is only activated when the Safe Code is set to Australia and New Zealand, which is only applicable to Australia and New Zealand. Select and enter AS 4777 Settings in Advance Settings interface. You will see Exprot Control (for active power output control) and General Control (for apparent power output control).
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Operation on LCD ===Extend BAT FUNC=== Function Control > Enable < Setting HotStandby Settting This function is mainly to reduce inverter system losses. When the power of load is extremely low and there is no sufficient PV input voltage, or when the battery SOC is more than 10% and there is no sufficient PV input voltage, etc the inverter will enter “HotStandby”...
Operation on LCD NOTICE! • When two equipments need to be connected at the same time, the Braud Rate and address of the two equipments shall be set to the same. Check the connectiong status. For the connection status of Datahub, please check it on the Datahub and the external equipment.
10 Operation on SolaX Cloud App 10.1 Introduction of SolaX Cloud App SolaX Cloud provides customers with a platform that can monitor SolaX inverter data and set it remotely. The inverter connects the system through Pocket Wifi, Pocket LAN, Pocket 4G or Ethernet direct connection, and upload the operation data to SolaX Cloud every 5 minutes.
Operation on SolaX Cloud App NOTICE! • The screenshots in this chapter correspond to the SolaX Cloud App V4.2.8. 10.3 Operation Guide on SolaXCloud Web Open a browser and enter www.solaxcloud.com to complete registration, login, add site and other related operations according to the guidelines of user guide. Figure 10-3 User guide on Web...
11 Troubleshooting and Maintenance 11.1 Power off Turn off the system by System ON/OFF on LCD screen. Switch off the battery or the load-break switch of the battery (see documentation of the battery manufacturer). Turn off the AC switch between the inverter and the power grid. Set the DC switch to “OFF”.
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis IE 03 Grid Volt Fault Power grid voltage overrun • Wait a moment, if the utility returns to normal, the system will reconnect. • Please check if the grid voltage is within normal range.
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis IE 12 RC OCP Fault Overcurrent protection fault. • Check the impedance of DC input and AC output. • Wait for a while to check if it's back to normal. • Or contact SolaX for help. IE 13 Isolation Fault Insulation fault...
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis IE 21 Low TempFault Low temperature fault. • Check if the ambient temperature is too low. • Or contact SolaX for help if it can not return to normal. IE 25 InterComFault Inter_Com_Fault •...
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis IE 33 ParallelFault Parallel Fault • Check the communication and earth cable connection and matching resistor settings. • Or contact SolaX for help if it can not return to normal. IE 36 HardLimitFault HardLimitFault •...
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis IE 106 Bat Temp Low Battery temperature low • Check the battery installation environment to ensure good heat dissipation. • Check if the battery heat function is enabled on the LCD screen of inverter and the heating time period is correctly set.
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis BMS1_OverVolt Over voltage in battery system BE 03 • Please contact SolaX for help. BMS2_OverVolt BMS1_LowerVolt Low voltage in battery system BE 04 • Please contact SolaX for help. BMS2_LowerVolt BMS1_ChargeOCP Battery fault - over charge fault BE 05 •...
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis BE 17 TypeUnmatch1 Battery type fault • Upgrade the battery BMS software. TypeUnmatch2 • Please contact SolaX for help. BE 18 Ver Unmatch1 Battery version mismatch fault • Upgrade the battery BMS software. Ver Unmatch2 •...
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Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis AirSwitchBreaker1 Battery air switch fault BE 30 • Check if the battery breaker is off. AirSwitchBreaker1 • Please contact SolaX for help. • Check if the inverter correctly and normally connected to PV, battery or grid. Screen not on •...
Troubleshooting and Maintenance Error Code Fault Descriptions and Diagnosis • Check if the meter/CT is connected correctly. • Check if the meter/CT parameter on the LCD No Feedin data (on screen displays normally. App or Web) • Check if the monitoring module works normally. •...
Troubleshooting and Maintenance General status • Check if there is any damage on the Every 6 months of inverter inverter. • Check if there is any abnormal sound when the inverter is running. Heat sink Check whether the heat sink is covered with From time to time dirt, clean the machine and absorb dust if necessary.
Troubleshooting and Maintenance 11.3.3 Upgrading Firmware Upgrade precautions WARNING! • Please make sure that the category format is correct, do not modify the firmware file name. Otherwise, the inverter may not work! WARNING! • Before proceeding with the upgrade process, ensure that the PV input voltage is above 180 V (preferably on sunny days), or that the battery (SOC) is above 20%, or the battery input voltage is above 180 V.
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Troubleshooting and Maintenance ====Upgrade (ARM)==== ====Upgrade (ARM)==== >XXX.XXXXX.XX_ULT_3P_ Upgrading..25% ARM_V001.07_0606.usb For DSP: Please wait for 10 seconds. When Update page shown as below, press down to select DSP and then press Enter key. Please confirm the firmware version again and press Enter to upgrade. The upgrade takes about 2 minutes. ===Upgrade Selection=== ====Upgrade (DSP)==== Cancel...
12 Decommissioning 12.1 Disassembling the Inverter WARNING! • When disassembling the inverter, strictly follow the steps as below. • Only use measuring devices with a DC input voltage range of 1000 V or higher. Step 1: Disconnect the external AC breaker and AC cable of the inverter. Step 2: Turn the "DC"...
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Decommissioning Step 6: Slight pull the dongle module. Figure 12-3 Removing the dongle Step 7: Disconnect the battery connecters: Insert the removal tool into the notch of connectors and slight pull the connectors. Figure 12-4 Removing the Battery connector Step 8: Disconnect the AC connector: Insert the removal tool to the slot of the AC connector to release it.
Decommissioning Step 11: Unscrew the grouding screw by crosshead screw and remove the grounding cable. Step 12: Unlock the anti-theft lock if you installed it. Unscrew the M5 screw on the sides of inverter and vertically lift up the inverter to dismantle the inverter. Figure 12-6 Unscrewing the M5 screws Step 13: Unscrew the screws for fastening the Bracket and remove the Bracket.
13 Technical Data • INPUT PV Model X3-ULT-15K X3-ULT-19.9K X3-ULT-20K X3-ULT-25K X3-ULT-30K Max. PV array 30000 40000 40000 50000 60000 power [Wp] Max.input PV 30000 40000 40000 50000 60000 power [W] Max. DC voltage 1000 Norminal DC operating voltage No. of MPP trackers / Strings 2 (2 / 2) 2 (2 / 2)
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Technical Data Model X3-ULT-15K X3-ULT-19.9K X3-ULT-20K X3-ULT-25K X3-ULT-30K Max. AC current [A](above rated current, de-rating 24.0 29.0 31.9 39.9 43.5 is acceptable) (230V) Displacement 1 (-0.8 ~ 0.8) power factor Total harmonic distortion (THDi, < 3% rated power) Maxinum out fault current [A] Maximum output overcurrent...
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Technical Data EPS rated voltage [V], Frequency 50 / 60 [Hz] EPS rated current 22.8 22.8 30.4 37.9 45.5 [A] [220V] EPS rated current 21.8 29.0 29.0 36.3 43.5 [A] [230V] Switchover time < 10 [ms] Total harmonic distortion (THDv, <...
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Technical Data • ENVIRONMENT LIMIT Model X3-ULT-15K X3-ULT-19.9K X3-ULT-20K X3-ULT-25K X3-ULT-30K Protection class IP66 Operating temperature range -35 ~ 60 (Derating above +45°C) [℃ ] Humidity [%] 0 ~ 100 Altitude [m] < 3000 Storage -40 ~ +70 temperature [℃ ] Noise emission <...
14 Appendix 14.1 Generator Application Introduction of generator application In certain regions where utility power is unstable, the use of generators becomes necessary to ensure uninterrupted operation of loads. The characteristic of this system is its ability to seamlessly switch to generators combined with an energy storage system, forming a new power supply configuration in the absence of utility power.
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Appendix ① Wiring connection diagram CLOUD Meter Grid EPS loads Common loads Generator Figure 14-1 ATS control wiring diagram ② Inverter settings for ATS control mode Setting path: Menu>Setting>Advance Setting>ExternalGen Select and enter ExternalGen interface and select ATS Control. =====ExternalGen===== >Function Control ATS Control Set the relative parameters as below in accordance with actual needs.
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Appendix =====ExternalGen===== =====ExternalGen===== >Forced Charg Period >Allowed Disc Period Start Time Start Time 00:00 00:00 =====ExternalGen===== =====ExternalGen===== >Forced Charg Period >Allowed Disc Period End Time End Time 00:00 00:00 » Charge from Gen and Charge battery to: The SOC which allows the system charging from generator.
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Appendix ② Inverter connection for dry contact mode • Connection terminal-DIO terminal Meter/CT Ripple control Figure 14-3 Connection terminal for generator • Connection pins-Pin 1 and Pin 2 Table 14-1 Connection pins for generator Generator dry System switch dry Application Reserved contact output contact input...
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Appendix =====ExternalGen===== =====ExternalGen===== >Start Gen Method >Start Gen Method Reference soc Immediately » Switch on/off SOC: the option is activated when you select Reference SOC for Start Gen Method. Inverter will turn on the generator when the battery reaches the set Switch on SOC and turn it off when the battery reaches the set Switch off SOC.
Appendix =====ExternalGen===== =====ExternalGen===== Charge from GEN >Charge battery to > Enable < 14.2 Adapter Box Application Introduction of Adapter Box application SolaX offers a comprehensive solar home energy management solution by integrating a heating solution into its existing system. With the SolaX Adapter Box G2, users can effectively utilize solar energy by commanding it to power their heat pump using settings available on the SolaX inverter and SolaXCloud.
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Appendix Communication connection with inverter • Connection terminal-RS485 terminal RS485 terminal Figure 14-5 Connection terminal for Adapter Box • Connection pins For SolaX products, such as the Adapter Box, EV-Charger, and Datahub they can be connected to pin3 and pin 6 or pin4 and pin5. •...
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Appendix Settings for Adapter Box Setting path: Menu>Setting>Advance Setting>Internal485 Select and enter Internal485 interface. Select the AdapBox G2 and set the Braud Rate and corresponding Address. =====Internal485===== =====Internal485===== =====Internal485===== >Function Control >Braud Rate >AdapBoxG2 Addr: AdapBoxG2 9600 NOTICE! • When two equipments need to be connected at the same time, the braud rate and address of the two equipments shall be set to the same.
Appendix 14.3 EV-Charger Application Introduction of EV-Charger application The X3-EVC series are AC EV charger and intended for charging electric vehicles. It should be installed in a fixed location and connected to the AC supply. The EV-Charger can communicate with other devices or systems (inverter, meter, CT, third-party charger management platform, etc.) to realize intelligent control of charging process.
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Appendix to changes in generation or power consumption elsewhere in the house, thereby minimizing the use of the grid power. In this mode, users can set charging current at five different levels, i.e. 6 A, 10 A, 16 A, 20 A and 25 A (Only 6 A & 10 A for 11 kW models).
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Appendix Setting for EV-Charger Setting path: Menu>Setting>Advance Setting>Internal485 Select and enter Internal485 interface. Select the EV Charger and set the Braud Rate and corresponding Address. =====Internal485===== =====Internal485===== =====Internal485===== >Function Control >Braud Rate >EV Charger Addr: EV Charger 9600 NOTICE! • When two equipments need to be connected at the same time, the braud rate and address of the two equipments shall be set to the same.
Common loads Meter Grid X3-PBOX- 150kW-G2 EPS loads Figure 14-10 Datahub wiring diagram The inverter is connected to the Datahub through the RS485. In the entire system, a maximum of 10 X3-ULTRA series inverters can be connected to the Datahub.
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Appendix Communication connection with inverter • Connection terminal-RS485 terminal RS485 terminal Figure 14-11 Connectiong terminal for Datahub • Connection pins For SolaX products, such as the Adapter Box, EV-Charger, and Datahub they can be connected to pin3 and pin 6 or pin4 and pin5. •...
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Appendix NOTICE! • The braud rate, communication protocol and verification method of the inverters connected to the same RS485 terminal of Datahub must be consistent, and the communication addresses of the inverters must be consecutive and not repeated. NOTICE! Datahub 1000 User Manual •...
Appendix 14.5 Micro-grid Application Introduction of Micro-grid application Due to Islanding Effect, on-grid inverter is unable to work during off-grid. This characteristic makes user losing the on-grid inverter PV energy when off-grid. Micro-grid is the function that making hybrid inverter simulate the grid to active on-grid inverter during off-grid by connecting on-grid inverter to hybrid inverter's EPS terminal.
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Appendix Working modes ① Grid on • When PV is sufficient, the hybrid and on-grid inverters power the general and critical loads together. When there is surplus energy on the on-grid inverter, it will also charge the battery connected to the hybrid inverter. •...
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On-grid inverter output power≤Max battery charging power. NOTICE! • Since X3-ULTRA series inverter is unable to control the output power of on-grid inverter in grid connection mode, therefore X3-ULTRA series inverter can not achieve zero export when loads power + battery charging power < on-grid inverter output...
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Grid and EPS connection on X3-ULTRA series inverter. Cable connection (On-grid inverter) Please connect the AC cable of on-grid inverter to the EPS terminal of X3-ULTRA series inverter through a circuit breaker. Please refer to the user manual of specific on-grid inverter.
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Appendix • Pin definition Table 14-2 Pin defition for meter and CT Application For CT1 For meter For CT2 METER METER Assignment _485A _485B • Meter/CT connection steps Please refer to "7.7.2 Meter/CT Connection" and meter/CT user manual for specific connection steps.
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Appendix ====CT/MeterSetting==== ====CT/MeterSetting==== ====CT/MeterSetting==== >Select >Select >CT Type Enable 100A Set the the address and direction of Meter 2: And Enable the External INV. You can check the connection status in Meter/CT Check. ====CT/MeterSetting==== ====CT/MeterSetting==== ====CT/MeterSetting==== >Meter 2 Addr >Meter 2 Direction >External INV Positive Enable...
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Contact Information AUSTRALIA UNITED KINGDOM Unit 10, Eastboro Fields, Hemdale Business 12-18 Lascelles St, Springvale VIC 3171 Park, Nuneaton, CV11 6GL +61 1300 476 529 +44 (0) 2476 586 998 service@solaxpower.com service.uk@solaxpower.com TURKEY GERMANY Esenşehir Mah. Hale Sk. No:6/1 Ümraniye / Eisenstraße 3, 65428 Rüsselsheim am Main, İSTANBUL Germany...
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