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Solavita SV 5KHT-G2 User Manual

Three phase hybrid inverter
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Three phase hybrid inverter
User Manual
SV 5KHT-G2 / SV 6KHT-G2
SV 8KHT-G2 / SV 10KHT-G2
SV 12KHT-G2
English

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  • Page 1 Three phase hybrid inverter User Manual SV 5KHT-G2 / SV 6KHT-G2 SV 8KHT-G2 / SV 10KHT-G2 SV 12KHT-G2 English...

  • Page 2: Table Of Contents

    Contents 1 General information..............1.1 About this document................1.2 Product Validity..................1.3 Target group..................... 1.4 Symbols....................Safety..................2.1 Intended use.................... 2.2 Important safety instructions..............2.3 Symbols on the label................Unpacking and storage............. 3.1 Scope of delivery..................3.2 Product storage..................Inverter overview..............4.1 Product description.................
  • Page 3 6 Electrical connection..............6.1 Connection port description..............6.2 Connecting additional grounding............. 6.3 Grid cable connection................6.3.1 Requirements for the grid connection........... 6.3.2 Assembling the grid connectors............ 6.3.3 Connecting the grid connectors............ 6.4 Backup Load cable connection..............6.4.1 Requirements for the Backup Load connection......6.4.2 Assembling the Backup Load connectors........
  • Page 4 9.3 Protective device..................10 Troubleshooting ..............11 Maintenance................12.1 Cleaning the contacts of the DC switch..........12.2 Cleaning air inlet and outlet..............12 Recycling and disposal.............. 13 EU declaration of conformity............ 14 Service and warranty..............15 Contact..................

  • Page 5: General Information

    General information 1.1 About this document This document describes the mounting, installation, commissioning, configuration, operation, troubleshooting and decommissioning of the product as well as the operation of the product user interface. You will find the latest version of this document and further information on the product in PDF format at www.skyworthpv.com.

  • Page 6: Symbols

    1.4 Symbols ！ DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. ！ WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury. ！ CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

  • Page 7: Safety

    Safety 2.1 Intended use • The product is a transformerless hybrid inverter with 2 or 3 MPP trackers and a battery connection that feeds the direct current of the PV array into the connected battery or converts it to grid-compliant three-phase current and then feeds it into the utility grid. The product also can convert the direct current supplied by the battery into grid-compliant three-phase current.

  • Page 8: Important Safety Instructions

    • Knowledge of all applicable laws, standards and directives. • Knowledge of and compliance with this document and all safety information. • The type label must be permanently attached to the product and must be in a legible condition. • This document does not replace any regional, state, provincial, federal or national laws, regulations or standards that apply to the installation, electrical safety and use of the product.
  • Page 9 DANGER Danger to life due to electric shock when touching live com- ponents in backup mode！ Even if the AC breaker and the PV switch of the inverter are disconnected, the parts of the system may still be live when the battery is switched on due to backup mode. •...
  • Page 10 DANGER Danger to life due to electric shock when touching live sys- tem components in case of a ground fault！ If a ground fault occurs, parts of the system may still be live. Touching live parts and cables may result in death or lethal injuries due to electric shock. •...
  • Page 11 CAUTION Risk of injury due to weight of product Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted. • Transport and lift the product carefully. Take the weight of the product into account. •...

  • Page 12: Symbols On The Label

    Symbols on the label . eware o a danger one！ This symbol indicates that the roduct must be additionally grounded i additional grounding or e ui otential bonding is re uired at the installation site. . eware o high voltage and o erating current！ The roduct o erates at a high voltage and current.

  • Page 13: Unpacking And Storage

    Unpacking and storage • • • • SV 3-12KHT-G2...

  • Page 14: Inverter Overview

    Name Labels Unit：mm （Lumbar foramen） φ SV 3-12KHT-G2...

  • Page 15: Led Indicator

    4.3 LED indicator Function Description The product operates normally and the solar energy is Glowing available. SOLAR The product is self-checking automatically, or the firm- Flashing ware is updating. The solar energy is not available. The product operates normally and the battery energy Glowing is available.

  • Page 16: Supported Grid Types

    TN-S TN-C TN-C-S transformer transformer transformer transformer Inverter Inverter Inverter Inverter 4.5 Interfaces and functions SV 3-12KHT-G2...
  • Page 17 RJ45-3 port (see section 6.7.1): This RS485 interface used to connect the product to the third-par- ty monitor device. If you don’t want to use Ai-Dongle, the third-party monitor device can be used. Terminal block 2 (see section 6.7.1): This RS485 interface (Pin1 and Pin2) used to connect the external smart meter.
  • Page 18 The product is delivered with the current transformers as standard. The current transformers can be used to measure the export active power. The communication of the current transformers can be connected to the product through RS485 (see section 6.7.1, Terminal 2). And the current transformer also can be replaced by the smart meter.
  • Page 19 Current transformer interface The current transformers can be used to measure the export active power and control the export active power at the point of grid connection. The three current transformers can be connected to terminal block 4 (See section 6.7.1). Back-up function The inverter is equipped with a back-up function which also called as an emergency power supply (EPS).

  • Page 20: Basic System Solution

    SV 3-12KHT-G2...
  • Page 21 Item Smart meter communication. It is not recommended to use both communi cation methods at the same time. Router Internet Internet. the monitor information. SV 3-12KHT-G2...
  • Page 22 The system diagram o this roduct as ollow or Australia and ew ealand, the neutral cable o n grid side and ack u side must be connected together according to the wiring rules AS therwise the back u unction will not work. CT C eter Grid...
  • Page 23 SV 3-12KHT-G2...

  • Page 24: Energy Management

    . Energy management The energy management mode de ends on P energy and user s re erence. There are our energy management mode can be chosen. Sel Consum tion mode The hotovoltaic energy is re erentially used by local load to im rove the sel consum tion rate and sel su ciency rate.
  • Page 25 SV 3-12KHT-G2...
  • Page 26 SV 3-12KHT-G2...
  • Page 27 SV 3-12KHT-G2...
  • Page 28 SV 3-12KHT-G2...

  • Page 29: Parallel System

    SV 3-12KHT-G2...
  • Page 30 BATTERY GRID Terminal-1 Terminal-2 COM0 Terminal-3 LOAD Terminal-4 BATTERY GRID Terminal-1 Terminal-2 COM0 Terminal-3 LOAD Terminal-4 BATTERY GRID Terminal-1 Terminal-2 COM0 Terminal-3 LOAD Terminal-4 Normal Loads Smart household load Grid SV 3-12KHT-G2...

  • Page 31: Mounting

    5.1 Requirements for mounting ！ DANGER ！ • • • • • The mounting location must be inaccessible to children. • • × × × √ √ √ SV 3-12KHT-G2...
  • Page 32 • ＞75° × × × √ √ √ × • • >500mm >500mm >500mm >500mm • • SV 3-12KHT-G2...

  • Page 33: Taking Out And Moving The Product

    ！ CAUTION • • Step 1： Φ10 mm ° ！ CAUTION • SV 3-12KHT-G2...
  • Page 34 Step 2： Step 3： 10mm 5N·m Step 4： SV 3-12KHT-G2...
  • Page 35 Step 5： · SV 3-12KHT-G2...

  • Page 36: Electrical Connection

    Electrical connection Connection port description BATTERY GRID COM0 LOAD ！ Object Description Battery Port DC-switch 指示逆变器当前的工作状态 LED指示灯 PV Input Ai-Dongle Communication ports AC connector EPS connector Additional grounding screw SV 3-12KHT-G2...

  • Page 37: Connecting Additional Grounding

    6.2 Connecting additional grounding The inverter is equipped with a grounding conductor monitoring device. This grounding conduc- tor monitoring device detects when there is no grounding conductor connected and disconnects the inverter from the utility grid if this is the case. Hence the product does not require an addition- al grounding or equipotential bonding when operating.

  • Page 38: Grid Cable Connection

    Step 2： and lock the terminal using a wrench. · Step 3： Apply paint to the grounding terminal to ensure corrosion resistance. 6.3 Grid cable connection 6.3.1 Requirements for the grid connection Cable Requirements The cable must be dimensioned in accordance with the local and national directives for the dimensioning of cables.
  • Page 39 Item Description Value 12.5…17.5mm External diameter Copper cable conductor cross-section 2.5…6mm² Insulation stripping length 10mm Sheath stripping length 40mm Residual current protection The product is equipped with an integrated universal current-sensitive residual current monitor- ing unit inside. Hence the product does not require an external residual-current device when operating.

  • Page 40: Assembling The Grid Connectors

    Grounding conductor monitoring The inverter is equipped with a grounding conductor monitoring device. This grounding conduc- tor monitoring device detects when there is no grounding conductor connected and disconnects the inverter from the utility grid if this is the case. Depending on the installation site and grid configuration, it may be advisable to deactivate the grounding conductor monitoring.
  • Page 41 Step 2： Split grid connector. Step 3： Crimp the terminals with crimping pliers. Step 4： Set the parts on the cable, insert the terminal holes in sequence. Crimp the wire with an inner hexagon screwdriver and screw the torque 1.2+/-0.1N·m. 1.2±0.1N ·...

  • Page 42: Connecting The Grid Connectors

    Step 5： Insert the main body into the rubber core and hear the “click” sound. click Step 6： Tighten the nut with an open-ended wrench (torque 2.5±0.5N·m . Complete the installation. 6.3.3 Connecting the grid connectors Step 1： Remove the dust cover. SV 3-12KHT-G2...

  • Page 43: Backup Load Cable Connection

    Step 2： The installation arrow indicates insertion the female connector, and hear the “click” sound. click Complete the installation. 6.4 Backup Load cable connection 6.4.1 Requirements for the Backup Load connection For Backup Load connection requirements, refer to “6.3.1 Requirements for the grid connec- tion”...
  • Page 44 Step 3： Crimp the terminals with crimping pliers. Step 4： Set the parts on the cable, insert the terminal holes in sequence. Crimp the wire with an inner hexagon screwdriver and screw the torque 1.2+/-0.1N·m. 1.2±0.1N · m Step 5： Insert the main body into the rubber core and hear the “click”...

  • Page 45: Connecting The Back Load Connectors

    Step 6： Tighten the nut with an open-ended wrench (torque 2.5±0.5N·m . Complete the installation. 6.4.3 Connecting the Back Load connectors Step 1： Remove the dust cover. Step 2： The installation arrow indicates insertion the female connector, and hear the “click” sound.

  • Page 46: Dc Connection

    6.5 DC connection 6.5.1 Requirements for the DC connection Requirements for the PV modules per input: • All PV modules should be of the same type. • All PV modules should be aligned and tilted identically. • On the coldest day based on statistical records, the open-circuit voltage of the PV array must never exceed the maximum input voltage of the inverter.
  • Page 47 or connection to the inverter, all P module connection cable must be fitted with the DC connectors rovided. There may be two di erent ty e DC connector shi ed randomly. Assemble the DC connectors as described in the following. Type 1 DC connector: Assemble the DC connectors as described below.
  • Page 48 Step 2： Insert the stripped cable into the DC connector up to the stop. Press the clamping bracket down until it audibly snaps into place. The stranded wire can be seen inside the clamping bracket chamber. Click If the stranded wire is not visible in the chamber, the cable is not correctly inserted and the connector must be reassembled.
  • Page 49 Step 3：Push the swivel nut u to the thread and tighten the swivel nut. SW , Tor ue Value Complete the installation. Type 2 DC connector: Value Assemble the DC connectors as described in the following. Assemble the DC connectors as described below. Be sure to observe the correct polarity. The DC connectors are marked with the symbols Cable requirements: Item...
  • Page 50 Proceed as follows to assemble each DC connector. Step 1：Strip 12 mm off the cable insulation. 2.5-6mm Φ - 5 8mm Step 2：Assemble the cable ends with the crimping pliers. Step 3： Lead the cable through cable gland, and insert into the insulator until it snaps into place. Gently pull the cable backward to ensure firm connection.

  • Page 51: Connecting The Pv Array

    6.5.3 Connecting the PV array ！ DANGER Danger to life due to high voltages in the inverter! When exposed to light, the PV modules generate high DC voltage which is present in the DC cables. Touching live DC cables results in death or lethal injuries due to electric shock. •...
  • Page 52 Step 4： Check whether the DC connector has the correct polarity. If the DC connector is equipped with a DC cable having the wrong polarity, the DC connector must be reassembled. The DC cable must always have the same polarity as the DC connector.
  • Page 53 • Insert the DC connectors with sealing plugs into the corresponding DC inputs on the invert- Type 2 DC connector: • Connect the assembled DC connectors to the inverter. • Don’t pull out dustproof caps from unused DC input connectors. SV 3-12KHT-G2...

  • Page 54: Battery Connection

    Check the ositive and negative olarity o the P strings, and connect the P connectors to corresponding terminals only after ensuring polarity correctness. (The graph uses the type 2 connector as an e am le only. × √ Step 7： Ensure that all DC connectors and the DC connectors with sealing plugs are securely in place.

  • Page 55: Ai-Dongle Connection

    Step 3： Connect the assembled DC connectors to the inverter. Complete the installation. 6.7 Ai-Dongle connection Step 1： otate the nut, take out the sealing ring, hold the locking structure, and take out the wiring terminal. SV 3-12KHT-G2...
  • Page 56 Step 2： Lock the communication cable to the wiring terminal according to the sequence shown in the ollowing figure. Step 3： Insert the wiring terminal into the sealing head, ad ust the communication cable, insert the sealing ring, and lock nut. Step 4：...
  • Page 57 Step 5： Attach the Ai-Dongle to the connection port in place and tighten it into the port by hand with the nut in the modular. ake sure the modular is securely connected and the label on the modular can be seen. NOTICE Rotating the communication modular will damage the com- munication modular!

  • Page 58: Communication Equipment Connection

    6.8 Communication equipment connection 6.8.1 Communication interface description The inverter is e ui ed with a communication inter.ace, which is used to connect communica- tion cables such as lithium battery, electricity meter and arallel machine. The inter ace configu- ration o the communication inter ace is shown in the ollowing figure. RJ45-1 RJ45-3 RJ45-5...
  • Page 59 PI Definition Object Description Terminal ulti unction elay ulti unction elay Terminal-1 4pin DO1/DO2 PT100 Temperture Sensor Smart eter UFR Device Terminal-2 6pin Negative Negative RS485A RS485B Positive Positive Ripple Control Receiver Device S Device 6pin Terminal-3 DI*4/DR 0 Current Transformer 1 Current Transformer 2 Current Transformer 3 Terminal-4...

  • Page 60: Communication Cable Connection

    6. .2 Communication cable connection Step 1： Remove the communication cover. Step 2： Route the communication cable through the communication cover and crimp the wiring terminal. The se uence o the crim ing wires o the wiring terminals is shown in the ollowing figure 1 2 3 4 5 6 7 8 Φ4-8mm SV 3-12KHT-G2...
  • Page 61 Step 3： Connect the communication cable crimped to the corresponding communication port. Step 4： Install the communication cover on the inverter. 1.6N · Step 5： Tighten the cable gland nuts. SV 3-12KHT-G2...

  • Page 62: Current Transformer Connection

    6. .3 Current Transformer connection BATTERY RJ45-1 RJ45-3 RJ45-5 GRID Terminal-1 Terminal-2 COM0 Terminal-3 LOAD RJ45-2 RJ45-4 RJ45-6 Terminal-4 1 2 3 4 5 6 Arrow pointing to inverter Grid SV 3-12KHT-G2...

  • Page 63: Smart Meter Connection

    6. .4 Smart meter connection BATTERY RJ45-1 RJ45-3 RJ45-5 GRID Terminal-1 Terminal-2 COM0 Terminal-3 LOAD RJ45-2 RJ45-4 RJ45-6 Terminal-4 RS485B RS485A Smart Inverter L1 L2 L3 N eter Grid L1 L2 L3 N Grid SV 3-12KHT-G2...

  • Page 64: Commissioning

    Commissioning 7.1 Inspection before commissioning CAUTION Danger to life due to high voltages on DC conductors！ When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors. Touching the DC and AC conductors can lead to lethal electric shocks. •...

  • Page 65: Commissioning Procedure

    7.2 Commissioning procedure If all of the items mentioned above meet the requirements, proceed as follows to start up the inverter for the first time. Turn the DC switch of the inverter to “ON” position. Set initial protection parameters via the App. Switch on the AC circuit breaker.

  • Page 66: Decommissioning The Product

    Decommissioning the product 8.1 Disconnecting the inverter from voltage sources Prior to performing any work on the product, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence. ！ WARNING Danger to life due to electric shock from destruction of the measuring device due to overvoltage.
  • Page 67 ！ DANGER Danger to life due to electric shock when touching exposed DC conductors or DC plug contacts if the DC connectors are damaged or loose! The DC connectors can break or become damaged, become free of the DC cables, or no longer be connected correctly if the DC connectors are released and disconnected incorrect- ly.
  • Page 68 Step 6：Ensure that no voltage is present between the positive terminal and negative terminal at the DC inputs using a suitable measuring device. Step 7： Loosen and remove the Grid connector. Unlock instructions ① ② Remove the female end of the cable to se the at head screwdriver installa tion icon unlock the account.

  • Page 69: Dismantling The Inverter

    Step 9： Remove the communication cover. Remove the communication cable in reverse order by referring to 6.7 Communication equipment connection. Step 10： Hold down the buckle on the side of the Ai-Dongle and pull out the Ai-Dongle terminal. 8.2 Dismantling the inverter After disconnecting all electrical connections as described in Section 9.1, the inverter can be removed as follows.

  • Page 70: Technical Data

    Technical data 9.1 SV 05KHS/06KHS/08KHS/10KHS/12KHS-G2 SV 5KHT SV 6KHT SV 8KHT SV 10KHT SV 12KHT Type DC Input Maximum power of PV 7500Wp 9000Wp 12000Wp 15000Wp 18000Wp array Maximum input voltage 1100V Rated input voltage 630V Minimum input voltage Initial input voltage 180V MPP voltage range 150-950V...
  • Page 71 SV 5KHT SV 6KHT SV 8KHT SV 10KHT SV 12KHT Type AC Input and Output Rated output power 5000W 6000W 8000W 10000W 12000W at 230V Rated apparent power 5000VA 6000VA 8000VA 10000VA 12000VA at cosφ = 1 Maximum apparent 5000VA 6000VA 8000VA 10000VA...
  • Page 72 SV 5KHT SV 6KHT SV 8KHT SV 10KHT SV 12KHT Type Short circuit current continuous [ms] (max 8.0A 9.6A 12.8A 16.0A 19.2A output fault current) Recommended rated current of AC circuit 20.0A 25.0A 32.0A 32.0A 40.0A breaker Total harmonic distortion of the output current with total harmonic distortion of <3%(of nominal power)
  • Page 73 SV 5KHT SV 6KHT SV 8KHT SV 10KHT SV 12KHT Type Backup Data Rated apparent power 5000W 6000W 8000W 10000W 12000W at 230V Max. continuous 5000VA 6000VA 8000VA 10000VA 12000VA apparent power at 230V Max. apparent power at 10000VA 12000VA 16000VA 20000VA 24000VA...

  • Page 74: General Data

    General data SV 05KHT/06KHT/08KHT/10KHT/12KHT-G2 General data 545mm × 465mm ×205mm Width × height × depth 26kg Weight Non-isolated Topology Operating temperature -25℃…+60℃ range Allowable relative humidity 0% ... 100% range (non-condensing) Degree of protection for electronics in accordance IP66 with IEC 60529 Climatic category in 4K4H accordance with IEC 60721...

  • Page 75: Protective Device

    Interfaces 2 x RS485 port, 1 x WiFi stick port ModBus RTU and CAN Communication Mounting information Wall mounting bracket WLAN 802.11 b/g/n Radio technology 2.4GHz Radio spectrum Maximum transmission 100mW power Protective device SV 05KHT/06KHT/08KHT/10KHT/12KHT-G2 Protective devices DC reverse polarity Integrated protection Integrated...

  • Page 76: Troubleshooting

    Troubleshooting The inverter is easy to maintain. When you encounter the following problems, please refer to the Solutions below, and contact the local distributor if the problem remains unsolved. The following table lists some of the basic problems that may occur during the actual operation as well as their corresponding basic solutions.
  • Page 77 • Check the fuse and the triggering of the circuit breaker in the distribution box. • Check the grid voltage, grid usability. Grid loss • Check the AC cable, grid connection on the inve- rter. If this fault is still being shown, contact the service. •...
  • Page 78 • Check the grid voltage at the point of connection of inverter. If the grid voltage is outside the permissible 10 minutes range due to local grid conditions, try to modi- average over fy the values of the monitored operational limi- voltage fault ts after informing the electric utility company first.

  • Page 79: Maintenance

    Maintenance 11.1 Cleaning the contacts of the DC switch DANGER High voltage of PV string may cause life danger! If the DC connector is disconnected while the PV inverter is working, electric arc may occur, causing electric shock and burns. •...
  • Page 80 Step 2： Disconnect the DC switch, rotate the DC switch handle from the “ON” position to the “OFF” position. Step 3： Clean the air inlet and outlet of the inverter with a soft brush. SV 3-12KHT-G2...

  • Page 81: Recycling And Disposal

    Recycling and disposal Dispose of the packaging and replaced parts according to the rules applica- ble in the country where the device is installed. Do not dispose of the product together with the household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site.

  • Page 82: Service And Warranty

    Service and warranty If you have any technical problems concerning our products, please contact Boneng service. We require the following information in order to provide you with the necessary assistance: • Inverter device type • Inverter serial number • Type and number of connected PV modules •...

  • Page 83: Contact

    Contact Shenzhen Boneng Photovoltaic Technology Co., Ltd. Email: ServicePVOS@skyworth.com Web: https://www.skyworthpv.com Add.: Room No.0801, C Block, 5th Building, Huaqiang Creative Park, Biyan Community, Guangming Street, Guangming District, Shenzhen SV 3-12KHT-G2...
  • Page 84 Shenzhen Boneng Photovoltaic Technology Co., Ltd.

This manual is also suitable for:

Sv 6kht-g2Sv 8kht-g2Sv 10kht-g2Sv 12kht-g2

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