V-TAC VT-6608303 Instruction Manual
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V-TAC VT-6608303 Instruction Manual

Hybrid solar inverter single phase
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HYBRID SOLAR INVERTER SINGLE PHASE
Thank you for selecting and buying V-TAC Product. V-TAC will serve you
the best. Please read these instructions carefully & keep this user manual
handy for future reference. If you have any another query, please contact
our dealer or local vendor from whom you have purchased the product.
They are trained and ready to serve you at the best.
IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT, PLEASE REACH OUT TO US AT: SUPPORT@V-TAC.EU
FOR MORE PRODUCTS RANGE, INQUIRY PLEASE CONTACT OUR DISTRIBUTOR OR NEAREST
DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B
INSTRUCTION MANUAL
INTRODUCTION
Multi-Language Manual QR CODE
Please scan the QR code to access the manual
in multiple languages.

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Summary of Contents for V-TAC VT-6608303

  • Page 1 Please scan the QR code to access the manual in multiple languages. IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT, PLEASE REACH OUT TO US AT: SUPPORT@V-TAC.EU FOR MORE PRODUCTS RANGE, INQUIRY PLEASE CONTACT OUR DISTRIBUTOR OR NEAREST DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B...
  • Page 2 WARNING 1. Please make sure to turn off the power before starting the installation. 2. Installation must be performed by a qualified electrician. • "Danger" indicates a hazardous situation which, if not avoided, will result in death or serious injury. •...
  • Page 3 • Prior to the application, please read this section carefully to ensure correct and safe application. Please keep the user manual properly. • Accesories only together with the inverter shipment are recommended here. Otherwise may result in a risk of fire, electric shock, or injury to person. •...
  • Page 4 • Avoiding the creation of loops in the system. • Spark gap devices are not suitable to be used in DC circuits once conducting, they won't stop conducting until the voltage across their terminals is typically more than 30 volts. •...
  • Page 5 EXPLANATION OF SYMBOL Symbol Explanation CE mark. The inverter complies with the requirements of the applicable CE guildlines. TUV certified. RCM remark. SAA certification. Beware of hot surface. The inverter can become hot during operation. Avoid contact during operation. Danger of high voltages. Danger to life due to high voltages in the inverter! Danger.
  • Page 6 This chapter follows the requirements of the European low voltage directives, which contains the safety instructions and conditions of acceptability for the endues system, which you must follow when installing, operating and servicing the unit. If ignored, physical injury or death may follow, or damage may occur to the unit. Read this before you work on the unit.
  • Page 7 I Version applies to the wiring rules that requires Neutral line of alternative supply must NOT be isolated or switched (applies to wiring rules AS/NZS_3000:2012 for Australia and New Zealand). Note! • Please control the home loads, and make sure it's within the "EPS output rating"...
  • Page 8 Work modes: Force time use Priority: battery>load>grid(when charging) Priority: load>battery>grid(when discharging) This mode applies the area that has electricity price between peak and valley. User can use off- peak electricity to charge the battery. The charging and discharging time can be set flexibly, and it also allows to choose whether charge from the grid or not.

  • Page 9: Terminal Of Pv Inverter

    NTC : Reserved temperature sensor CT: Power meter EPS out Grid out TECHNICAL DATA 1. Battery interface parameters (apply to version E, I) MODEL VT-6608303 Ba�ery voltage range V 125~600 Maximum ba�ery current A Maximum charge and 8800 discharge power W...
  • Page 10 Photovoltaic interface parameters (apply to version E, I) Model VT-6608303 Maximum DC voltage V 1000 MPPT voltage range A 125~850 Starting voltage V Maximum charge and discharge 13/13 power W Maximum DC input power W 1140 Maximum short circuit current...
  • Page 11 Ac side off grid parameters (apply to version E,I) Model VT-6608303 Rated output power (VA) 8000 Rated Output Voltage (V) 400V,3W+N+PE Rated frequency (Hz) 50Hz/60Hz THDI (Rated Power) ＜3% Maximum efficiency 97.90% European efficiency 97.20% MPPT efficiency 99.50% Ba�ery charging and 97.50%...

  • Page 12: Installation

    Safety P rotect ion apply to version E, I ) Model VT-6608303 Photovoltaic input connection reverse protection Ba�ery input connection reverse protection Insulation monitor Residual current detection PV Input overvoltage over power The ba�ery input overvoltage overpower Ac output input overvoltage...

  • Page 13: Packaging Description

    PACKAGING DESCRIPTION Object Description Inverter Bracket Expansion screws and pan-head screws PV connectors (2*posi�ve, 2*nega�ve) WIFI module (op�onal) GPRS module (op�onal) User manual Mounting Installation Precaution inverter is designed for outdoor installation (IP 65). Make sure the installation site meets the following conditions: •...

  • Page 14: Space Requirement

    SPACE REQUIREMENT Table Available Space Size 300mm Position Min.size Left 300mm 300mm 300mm Right 300mm 300mm Bo�om 300mm Front 300mm 300mm TOOLS REQUIRED FOR INSTALLATION Installation tools: crimping pliers for binding post and RJ45, screwdriver, manual wrench etc Step 1: Screw the wall bracket on the wall 1.Place the bracket on the wall and mark down the position of the 4 holes.

  • Page 15: Wiring Connection

    Select PV modules with excellent function and reliable quality. Open-circuit voltage of module arrays connected in series should be <Max. DC input voltage; operating voltage should be conformed to MPPT voltage range. Max.DC Voltage Limitation Model VT-6608303 Max. DC Voltage (V) 1000 MPPT Voltage Range (V) 125-500...

  • Page 16: Connection Steps

    CONNECTION STEPS: Step 1. Checking PV module. 1.Use multimeter to measure module array voltage. 2.Check the PV+ and PV- from the PV string combiner box correctly. 3.Please make sure the impedance bewteen the positive pole and negative pole of PV to earth should be MΩ level. Step 2.

  • Page 17: Grid Connection

    VT series inverter are designed for single phase grid. Voltage is 220/230/240V, frequency is 50/60Hz. Other technical requests should comply with the requirement of the local public grid. Table of cable and Micro-breaker recommended MODEL VT-6608303 E VERSION CABLE 4-5 mm² E VERSION MICRO-BREAKER I VERSION CABLE 6-8mm²...
  • Page 18 Step2. Remove the waterproof lid from the grid port on the inverter. Step3. Make AC wires. 3.1 Choose the appropriate wire ( Cable size: refer to Table 4). 3.2 Reserve about 60mm of conductor material sectional area. 3.3 Remove 10mm of insulation from the end of wire. Step4.
  • Page 19 EPS Connection( apply to I Version and E Version only) Inverter has On and Off grid function, the inverter will deliver output power through AC port when the grid is on, and it will deliver output power through EPS port when the the grid is off.
  • Page 20 3.3 Remove 10mm of insulation from the end of wire. Step2. Connect the AC connector to the EPS port of the inverter with a slotted screwdriver Table of cable and Micro-breaker recommended CABLE AND MICRO-BREAKER RECOMMENDED MODEL VT-6608303 EPS Cable 4-5 mm² EPS Breaker Step1 Step1...

  • Page 21: Battery Connection

    BD Hybrid inverter. • Battery breaker Before connecting to battery, please install a nonpolarized DC breaker to make sure inverter can be securely disconnected during maintanance. MODEL VT-6608303 Nominal voltage of DC breaker should be larger than VOLTAGE maximum voltage of ba�ery.

  • Page 22: Battery Connection Diagram

    BATTERY CONNECTION DIAGRAM BMS PIN DEFINITION Communication interface bewteen inverter and battery is RS485 or CAN with a RJ45 connector. CAN Definition BMS_CANH BMS_CANL Rs485 Definition GND BMS_485A BMS_485B When using RS485 protocol, please note that PIN2 must be disconnected. Note ！...

  • Page 23: Meter Connection

    STEP1,2,3 STEP4 STEP5 STEP6, 7 METER CONNECTION Meter is used for monitoring the power usage for entire house,at the meantime, inverter will also need the data from Meter to achieve the Export Control Function. Note ！ It is necessary to connect meter to inverter otherwise inverter will shutdown with a "Meter fault"...
  • Page 24 Meter connection diagram Meter PIN Definition Communication interface bewteen inverter and meter is RS485 with a RJ45 connector. IGRID_AP_I IGRID_AN_I IGRID_BN_I IGRID_CP_I IGRID_CN_I IGRID_BP_I RS485_A RS485_B Please refer to BMS connection steps (page32) for Meter connection. Please kindly noted the PIN definition and port position will be slightly different. Step1.

  • Page 25: Drm Connection

    Step 3 Dry contact BMS-485 Parallel BMS-CAN Step 4 DRM CONNECTION DRM is provided to support several demand response modes by emitting control signals as below. Note: Only PIN6(DRM0) is available now, and other PIN functions are being developed. DRM1/5 DRM2/6 DRM3/7 DRM4/8...

  • Page 26: Wifi Connection(Optional)

    Step 3 Dry contact BMS-485 Parallel BMS-CAN Step 4 WIFI CONNECTION(OPTIONAL) Inverter provides a WiFi port which can collect data from inverter and transmit it to monitoring-website by WiFi.(Purchase the product from supplier if needed) Could Router WIFI CONNECTION STEPS Step1.

  • Page 27: Inverter Manipulation

    GPRS CONNECTION(OPTIONAL) Inverter provides a GPRS(radio frequency) interface which control the switch time of a designated load via an exteral Smart Plug (purchase the product from supplier if needed.) so that the load mostly consumes PV energy and incurs the lowest-possible energy costs during operation.
  • Page 28 Check the inverter: Step1. Check the status of indicators and LCD screen. The indicator screen should display the main interface. Note ！ If the left indicator is not blue please check below the three points: -All the connections are correct. -All the external breakers are switched on.
  • Page 29 SETTING Object Name Description Control Panel LCD SCREEN Display the information of the inverter. lit in green: The inverter is in grid mode. Off: The inverter is in not in grid mode. lit in green: The inverter is in off-grid mode. Indicator Off: The inverter is in not in off-grid mode.
  • Page 30 Note: If local grid connection requires reactive power, please set the required reactive power according to the following reference. SET ACCORDING TO ACTUAL NEEDS PV INPUT POWER BATTERY PARAMETERS PEAK LOAD SHIFTING After finishing the setting of Peak load shifting mode the charging and discharging time also need to be set up.

  • Page 31: Lcd Operation

    1. Select the corresponding mode based on actual situation Self-generation and self-consumption(system default mode) If you want to set up more items, please restart after completing the setup. BATTERY PRIORITY Note: When choosing battery priority mode, the corresponding charging current should be opted for according to the battery type.
  • Page 32 8.1.2 PV2 input display interface 8.1.3 Bus voltage 8.1.4 Battery 8.1.5 BMS parameters 8.1.6 BMS parameters...
  • Page 33 8.1.7 Grid-connected output 8.1.8 Inverter output 8.1.9 Load 8.1.10 Power...
  • Page 34 8.1.11 Power 8.1.12 Temperature 8.1.13 Status information 8.1.14 Error information...
  • Page 35 8.1.15 System setting Press ESC button to enter user setting 8.1.16 User setting Enter the password before setting up the user...
  • Page 36 8.2. Setting 8.2.1 System setting...
  • Page 39 8.2.2. BAT Setting...
  • Page 41 8.2.3 Grid standard...
  • Page 42 8.2.4 System setting...
  • Page 45 8.2.5 485 Address 8.2.6 485 Baud rate 8.2.7 Language...
  • Page 46 8.2.8 LCD backlight 8.2.9 Date/time 8.2.10 Clear history...
  • Page 47 8.2.11 Password Setting 8.2.12 Maintenance 8.2.13 Factory reset 8.2.14 Inquiry...
  • Page 49 8.2.12 Statistics...

  • Page 51: Fault Diagnosis And Solutions

    FAULT DIAGNOSIS AND SOLUTIONS 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.

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