V-TAC AF6K-SL Instruction Manual
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V-TAC AF6K-SL Instruction Manual

Hybrid solar inverter
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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
HYBRID SOLAR INVERTER
INTRODUCTION
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Summary of Contents for V-TAC AF6K-SL

  • 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: Explanation Of Symbol

    WARNING 1. Please make sure to turn off the power before starting the installation. 2. Installation must be performed by a qualified electrician. 1. All work on the inverter must be carried out by qualified electricians. 2. The PV panels and inverter must be connected to the ground. 3.

  • Page 3: Operation Modes

    INTRODUCTION The VTAC Hybrid Solar Inverter series hybrid inverters are designed to increase energy independence for homeowners. Energy management is based on time-of-use and demand charge rate structures, significantly reduce the amount of energy purchased from the public grid and optimize self-consumption. Hybrid Inverter PV Array Meter...
  • Page 4 Time of Use The Time of Use mode is designed to reward customers who do their part to reduce demand on the electric grid, particularly during peak usage periods. Use most of your electricity from PV energy and during off-peak time periods, and you could significantly lower your monthly bill.
  • Page 5 Selling First The Selling First mode is suitable for the regions with high feed-in tariff. Energy flow: PV -> Load -> Grid -> Battery Back-Up When the grid fails, the system will automatically switch to Back-Up mode. The back-up loads can be supplied by both PV and battery energy.

  • Page 6: Terminal Of Pv Inverter

    TERMINAL OF PV INVERTER No. Qty Items No. Qty Items Hybrid Inverter Grounding Terminal Certificate Of Inspection Wall Mounting Bracket Quick Installation Instructions Ba�ery Connector Warranty Card Monitor Module Monitoring Quick Installation Instructions DC Connector Mounting Bracket Screw AC Wiring Cover Screw Plastic Expansion Tube Security Screw Smart Meter (Opitional)

  • Page 7: Inverter Terminals

    INVERTER TERMINALS Items DC Switch DC Connectors ( + ) For PV Strings DC Connectors ( − ) For PV Strings Ba�ery Port Communication Port AC Port & EPS Port Monitor Module Port Mounting Location The inverters are designed for indoor and outdoor installation (IP65), to increase the safety, performance and lifespan of the inverter, please select the mounting location carefully based on the following rules: •...
  • Page 8 The inverter should be installed vertically on the wall, or lean back on plane with a limited tilted angle. Please refer to below picture. <15° >0° Leave the enough space around inverter, easy for accessing to the inverter, connection points and maintenance. 300mm 300mm 300mm...
  • Page 9 MOUNTING Step 1 219mm 17mm 264mm Step 2 Step 3 Security screw...

  • Page 10: Electrical Connection

    ELECTRICAL CONNECTION Smart Load Cri cal Load Wind Turbines PV Array Smart meter Wind Turbines PV Array Grid Load COMMUNICATION ADAPTER PIN ASSIGNMENT COM1 Items NTC+ Meter 485A NTC- Meter 485B Dry Contact BAT 485A Dry Contact BAT CANH BAT CANL BAT 485B 485A 12345678...
  • Page 11 PV CONNECTION The VT-66036103 series hybrid inverter has two MPPT channels, can be connected with two strings of PV panels. Please make sure below requirements are followed before connecting PV panels and strings to the inverter: • The open-circuit voltage and short-circuit current of PV string should not exceed the reasonable range of the inverters.

  • Page 12: Battery Connection

    STEP 3: BATTERY CONNECTION VT-6607106 hybrid inverters are compatible with lithium battery. For lead acid battery or batteries with other brands, please confirm with local distributor or VTAC for technical support. Note: Set battery type and manufacturer, please refer to Chapter 5.3. BMS(Battery Management System)communication is needed between inverter and battery.
  • Page 13 STEP 2: Pass the crimped battery harness through the waterproof connector and the cover. STEP 3: Insert the wire harness into the terminals according to “+” and “-” polarity, make the insulated terminals parallel with the terminals , the crimping screw torque is 2.0±0.1N.m STEP 4: A “click”...
  • Page 14 BAT-CAN/RS485 2 3 4 5 6 7 8 6 7 8 Assignment Assignment RS485A CAN/RS485 CANH CANL RS485B Lithium BAT-NTC 12345678 RJ45 Plug Assignment NTC+ NTC- Lead Acid...
  • Page 15 MULTI INVERTER PARALLEL 12345678 RJ45 Plug Assignment 485A 485B 12345678 RJ45 Plug Assignment 485A 485B 12345678 RJ45 Plug Assignment 485A 485B...
  • Page 16 AC CONNECTION The AC terminal contains “GRID” and “EPS”, GRID for load, and EPS for emergency load. Before connecting, a separate AC breaker between individual inverter and AC input power is necessary. This will ensure the inverter be securely disconnected during maintenance and fully protected from current of AC input.
  • Page 17 NOTE: The wiring terminals should be wrapped with insulation tape, otherwise it will cause a short circuit and damage the inverter. Note: The Max. power load connects to EPS port should not exceed the inverter's EPS Max. output power range. STEP 2: GRID EPS Load...
  • Page 18 CT OR METER CONNECTION Meter and a current sensor(CT for short below) are used to detect current power direction of the local load and the grid. The output control function of the inverters will be activated based on the detected data. Meter INSTALL THE CT Main...
  • Page 19 INSTALL THE METER Inverter VTAC Meter Main Breaker Grid Load Grid 1 2 3 4 5 6 7 8 Assignment RS485 A ( 24 ) RS485 B ( 25 )

  • Page 20: Communication Connection

    COMMUNICATION CONNECTION The monitoring module could transmit the data to the cloud server, and display the data on the PC, tablet and smart-phone. INSTALL THE WIFI / ETHERNET / GPRS / RS485 COMMUNICATION WIFI / Ethernet / GPRS / RS485 communication is applicable to the inverter. Please refer to "Communication Configuration Instruction"...

  • Page 21: Earth Connection

    EARTH CONNECTION NOTE: A second protective earth (PE) terminal should be connected to the inverter. This prevents electric shock if the original protective PE wire fails. STEP 1: Grounding terminal 10 ±0.5mm Note: Earth cable PE suggestion: Cross-section (Copper) 4-6mm² / 10AWG STEP 2: Fix the grounding screw to the grounding connection of the machine housing.

  • Page 22: Operation

    OPERATION CONTROL PANEL ○ ○ ○ ○ ○ ○ ○ ○ Items Items LCD Display UP Touch Button POWER LED Indicator DOWN Touch Button BACK Touch Button GRID LED Indicator ENTER Touch Button FAULT LED Indicator Note: Hold UP/DOWN button can be rolling quickly. Sign Power Color...

  • Page 23: Menu Overview

    MENU OVERVIEW VT-6607106 hybrid inverter has a LCD for clearly operating, and menu of the LCD can be presented as following: PV Info Bat Info Inv Info Run Info Grid Info Safty Load Info Model EPS Info Prated Err Record Tem Info Vrated Run Record...

  • Page 24: Inverter Setting

    INVERTER SETTING The setting is for VT-6607106 Hybrid inverter. Any doubts, please contact distributor for more details. A. Time & Date Sys Param System parameters setting Date &Time Date YYYY-MM-DD Time 24:00:00 B. Safety Sys Param System parameters setting Safty Safety Specifications Com-50Hz Com-60Hz...
  • Page 25 C. Lithium Battery Run Param Operating parameters setting 5 4 3 2 * * * * Bat Param Lithium Aoboet ApoLLo Note: CALB Please select the right battery frand to your use. Dyness ..D. PV Mode Run Param Operating parameters setting 5 4 3 2 * * * * PV Mode...
  • Page 26 E. Lead Acid Run Param Operating parameters setting 5 4 3 2 * * * * Bat Param LeadAcid Capacity： 0-1000Ah Capacity range (0~1000Ah). F. Energy Management System (EMS Param) Run Param Operating parameters setting 5 4 3 2 * * * * Energy management EMS Param system parameters setting...
  • Page 27 G. Time of Use Run Param Operating parameters setting 5 4 3 2 * * * * Energy management EMS Param system parameters setting Chg/DChg Chg Cmd Charge / discharge. Stop Charge / discharge power Chg Pwr PChg： range -10000W~10000W. Chg Range Battery charge / discharge setting.
  • Page 28 H. AC Charging Run Param Operating parameters setting 5 4 3 2 * * * * Energy management EMS Param system parameters setting AC Chg AC charging ACChg: 1. ACChg — AC charging enable. MaxPpct: 0.0% 2. MaxPpct — AC charging Percentage. MaxSoc: 0.0% 3.
  • Page 29 Force Chg Forced charging ForceChg: PForce: 0.0% 1. ForceChg — Force charging enable. MaxSoc: 0.0V 2. PForce — Forced charging power percentage. TimOn1: 00:00 3. MaxSoc — Forced charging Max Soc. TinOff1: 00:00 4. TimOn1 — Forced charging start time 1. TimOn2 : 00:00 5.
  • Page 30 K. Protection Parameters Run Param Operating parameters setting 5 4 3 2 * * * * IsoChk 1. Insulation resistance detection GfciChk 2. Leakage current detection EarthChk 3. Ground detection V.max 0.0V 4. Voltage upper limit V.maxT 0.00S 5. Voltage upper limit time V.min 0.0V 6.
  • Page 31 L. Multi-machine in Parallel Com Param Communication parameters setting Meter COM4 Parallel Parallel Sunspec Modbus Addr 1. Address Baud 9600 2. Band rate P Enable 3. Parallel enable 1. Inverter parallel amount Inv_Amout 2. Master / Slave Master/Slave 3. Address of slave Addr 4.

  • Page 32: Power On/Off

    Diese1Gen GenEn 1. Diese1Gen GenEn — Diesel generator enable. TimeCtr1Em 2. TimeCtr1Em — Time control enable. TimeDelay 3. TimeDelay — Delay time of diesel generator StarSoc 20.0% start working. 4. StarSoc — Battery power percentage when EndSoc 80.0% diesel generator start charging the battery. TimOn1 00:00 5.

  • Page 33: Fault Code And Trouble Shooting

    FAULT CODE AND TROUBLE SHOOTING Type of Fault Code Name Description Recommend Solution • Check PV modules connection PV connection type • Check PV Mode setup Ref. PvConnectFault different from setup Chapter 5.3. • Check PV modules wires, those wires are soaked or damaged, and then carry ISO check among PV out rectification.
  • Page 34 Type of Fault Code Name Description Recommend Solution PV7ReverseFault PV8ReverseFault PV9ReverseFault PV10ReverseFault PV11ReverseFault PV12ReverseFault Pv1AbnormalFault Pv2AbnormalFault Pv3AbnormalFault Pv4AbnormalFault Pv5AbnormalFault Pv6AbnormalFault Pv7AbnormalFault Pv8AbnormalFault PV Fault Pv9AbnormalFault Pv10AbnormalFault • Check PV modules partial occlusion or Pv11AbnormalFault cells damaged. PV(+) and PV(-) reversed •...
  • Page 35 Type of Fault Code Name Description Recommend Solution • Check inverters connected battery lines PcsBatOverVoltFault and connectors broken or loose connect. • Carry out rectification if broken or Battery voltage over or PcsBatUnderVoltFault loose. under • Checking battery voltage is abnormal or not, then maintenance or change new PcsBatInsOverVoltFaul battery.
  • Page 36 Type of Fault Code Name Description Recommend Solution BatPreChaFault BmsBatChgMosFault BmsBatDChgMosFault BMSVolOVFault BMSVolLFault VolLockOpenFault VolLockShortFault ChgRefOVFault • Inverter will restart automatically when the grid return to normal. GridLossFault Grid lost (islanding) • Check inverter connected with grid connectors and cable normal or not. •...
  • Page 37 Type of Fault Code Name Description Recommend Solution • Reduce loads. • If sometimes overload, it can be ignored, when generation power enough UpsOverPowerFault 0ff-grid load over can be recovery. • If those faults occurs continuously and frequently, please ask help for local distributors.
  • Page 38 Type of Fault Code Name Description Recommend Solution Pv9SwOverCurrFault Pv10SwOverCurrFault Pv11SwOverCurrFault Pv12SwOverCurrFault Boost1SelfCheck(boost)Fault Boost2SelfCheck(boost)Fault Boost3SelfCheck(boost)Fault Boost4SelfCheck(boost)Fault Boost5SelfCheck(boost)Fault • Power off, then restart (Ref. Chapter8). PV boost circuit abnormal Boost6SelfCheck(boost)Fault • If those faults continuously and when self checking frequently, please ask help for local Boost7SelfCheck(boost)Fault distributors.
  • Page 39 Type of Fault Code Name Description Recommend Solution • Change fuse. BDCFuseFault BiDC fuse broken • Power off, then restart (Ref. Chapter8). • If those faults continuously and BDCRelayFault BiDC relay abnormal frequently, please ask help for local distributors. All over current/ voltage by HwOverFault protection hardware Ac over current by protection...
  • Page 40 Type of Fault Code Name Description Recommend Solution UpsOverVoltFault Off-grid output voltage over or under UpsUnderVoltFault • Power off, then restart (Ref. Chapter8). • If those faults occurs continuously and UpsOverFreqFault AC Fault Off-grid output frequency frequently, please ask help for local over or under distributors.
  • Page 41 Type of Fault Code Name Description Recommend Solution UpsSCurAdChanFault UpsTCurAdChanFault GenRCurAdChanFault GenSCurAdChanFault GenTCurAdChanFault UpsRDcvAdChanFault UpsSDcvAdChanFault UpsTDcvAdChanFault All temperature sensors TempAdChanFault abnormal The sample value of PV, VoltAdConflictFault battery and BUS voltage • Power off, then restart (Ref. Chapter8). inconsistent • If those faults occurs continuously and frequently, please ask help for local The sample value between distributors.
  • Page 42 Type of Fault Code Name Description Recommend Solution EnvirTempAdChan- Warning • The warnings are not matter influence. • Power off, then restart (Ref. Chapter8). Some temperature sensors CoolingTempAdChan- • If those faults occurs continuously and abnormal Warning frequently, please ask help for local distributors.

  • Page 43: Specifications

    SPECIFICATIONS PV Input AF6K-SL Max. Input Power (kW) Max. PV Voltage (V) MPPT Range (V) 80 - 500 Full MPPT Range (V) 170 - 500 Normal Voltage (V) Startup Voltage (V) Max. Input Current (A) 18.5 x 2 Max. Short Current (A) 26 x 2 No.

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