Afore BNT KTL Series User Manual
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Afore BNT KTL Series User Manual

On-grid pv inverter
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USER'S MANUAL
On-Grid PV Inverter
Anybuild Series：BNTxxxKTL(xxx=017,020)
Version
：
03.610100001721-V0.02

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Summary of Contents for Afore BNT KTL Series

  • Page 1 USER’S MANUAL On-Grid PV Inverter Anybuild Series：BNTxxxKTL(xxx=017,020) Version ： 03.610100001721-V0.02...
  • Page 2 As a customer-oriented company, Afore is always trying to improve herself and enhance customer satisfaction. High quality is the fountain of life for Afore, not just in product quality control, but also in quality of service and support. Afore is able to help customers reduce energy consumption and carbon...

  • Page 3: Table Of Contents

    CONTENTS 1 ABOUT THIS MANUAL................................3 1.1 S ................................. 3 COPE OF ALIDITY 1.2 T ..................................3 ARGET ROUP 1.3 A ............................... 3 DDITIONAL NFORMATION 2 SAFETY INSTRUCTIONS ................................3 2.1 S ................................3 AFETY RECAUTIONS 2.2 E ..............................4 XPLANATIONS OF YMBOLS 3 UNPACKING .....................................

  • Page 4: About This Manual

    This manual is for qualified personnel. The tasks described in this manual must only be performed by qualified personnel. 1.3 Additional Information For more information about Afore products, please download from our website www.aforenergy.com 2 Safety Instructions 2.1 Safety Precautions 1.

  • Page 5: Explanations Of Symbols

    8. Packed with damping EPE and carton, Afore inverter should be placed upwards and handled with care in delivery. Pay attention to waterproof.

  • Page 6: Unpacking

    3 Unpacking 3.1 Assembly Parts Please check the delivery for completeness and any visible external damage. Contact your dealer at once if anything is damaged or missing. BNTxxxKTL（xxx=017, 020）assembly parts are as listed below： Object Quantity Description Object Quantity Description Solar inverter Wall mounting bracket User manual...

  • Page 7: Mounting

    4 Mounting 4.1 Safety DANGER! Danger to life due to potential fire or electric shock. Do not install the inverter near any inflammable or explosive items. The inverter will be directly connected with high voltage power generation device. The installation must be performed by qualified personnel only in compliance with national or local standards and regulations.

  • Page 8: Mounting The Inverter With Wall Mounting Bracket

    • Vertical installation, wiring area must be downside, lateral installation is not allowed; in backward tilted installation, tilt angle should not exceed 30 degrees; Forward tilted, horizontal or inverted installation is not allowed. 4.3Mounting the Inverter with Wall Mounting Bracket 1.
  • Page 9 2. Fix the wall mounting bracket with the equipped self-tapping screw. 3. Hang the inverter to the mounting bracket and ensure the slot is fitted on the bracket. 4. Check to ensure the inverter is correctly seated. Make sure to lock it with the security screws. (See the figure below.)

  • Page 10: Electrical Connection

    5 Electrical Connection Notes: 1. Electrical installation & maintenance shall be conducted by licensed electrician and shall comply with local Wiring Rules. 2. After the inverter has been installed in its fixed position, the electrical connection to the unit can be established.

  • Page 11: Connection To The Public Grid (Ac)

    DC Switch 5.2 Connection to the Public Grid (AC) 5.2.1 Conditions for Connection CAUTION! Unit Disconnection From Load Disconnect the circuit breakers and switches of inverters AC and DC sides. 5.2.2 Connection to Public Grid (AC) Measure the grid voltage to make sure within the permissible range. Disconnect the circuit breaker between the inverter and the grid.

  • Page 12: Connection To The Pv Generator (Dc)

    5．Run the cable harness with the pressed terminals 6. Close junction box and tight the screws through the junction box and insert the black cable harness, L1, L2 and L3 into the caps of N, W, V and U as shown in the system connection diagram. Tighten the screws.
  • Page 13 plug connectors provided. You will find the necessary DC plug connector for DC connection in the package. To assemble the DC plug connectors, proceed as detailed below. Ensure the plug connectors have the correct polarity. The plug connector in DC side includes male and female as blow. Please note that the sizes of metal connecting tubes are different.
  • Page 14 Positive PV Array Negative PV Array ◆ Use crimping pliers to fasten the metal connecting tube and copper wire. Make sure the harness will not fall off, see picture below. ◆ Insert the assembled cable into male/ female connector. A “chick” sound can be heard when connecting correctly.
  • Page 15 5.3.3 Connecting the PV Generator (DC) DANGER! Danger to life due to high voltage in the inverter. • Before connecting the PV generator, ensure that the AC&DC circuit breaker is switched off. Notes: 1. Make sure that you have disconnected circuit breakers and switches on both DC and AC sides. 2.

  • Page 16: System Diagram

    6 System Diagram The typical connection diagram for the entire PV system is shown in the following figure. Note: QF1、QF2 : DC Breaker QF3 : AC Breaker SPD : Surge Protector 1.PV Panel: Provide DC power to inverter 2. Inverters: Converts DC (Direct Current) power from PV panel(s) to AC (Alternating Current) power. Because Inverter is grid-connected, it controls the current amplitude according to the PV Panel power supply.

  • Page 17: Operation

    Refer to the following table to choose the AC breaker. Type Max AC Current [A] Rate current of AC breaker[A] BNT017KTL BNT020KTL 5. SPD: Lightning protection system, refer to the following options: AC side, nominal discharge current 20KA, second grade lightning protection, protection voltage 2.5KV DC side, nominal discharge current 20KA, second grade lightning protection, protection voltage 3.2KV 6.

  • Page 18: Overview Of Controls And Displays

    Enclosure Lid 7.1 Overview of Controls and Displays LED Light LCD Display There are four function keys on the front panel: UP, DOWN, ESC, ENT.The keypad is used for: Scrolling the displayed parameter :Up and Down keys, or modify the adjustable parameters; Cancel or Enter: Esc and Ent keys.

  • Page 19: Anybuild Series Led Display

    1. Switch off DC and AC side circuit breakers and switches. 2. Wait until the screen is on and set up grid connection standard. (Please refer to 7.4.1 for specific operations) The inverter starts up and feed into the utility grid automatically when all the necessary conditions of normal operation for the inverter is fulfilled.

  • Page 20: Anybuild Series Lcd Display

    Inverter will start up automatically with enough DC voltage provided by PV array. When starting up (POWER LED is on), it shows “Afore New Energy” on LCD in front of the inverter. The inverter will delay 1 second and automatically jump to the System Checking interface 7.4.1 First Boot Setting...
  • Page 21 Press Ent to time setting interface. Press UP and DOWN to adjust number and press Ent. Set year, month, day, hour, minute and second one by one according to local time. 7.4.2 Main Interface When time setting is completed, press Ent to exit and system will enter into the main interface as below. The LCD will automatically enter into the main interface after system checking when the inverter starts up next time.
  • Page 22 Etotal Total Generation Capacity ETPV1/ETPV2 Total Generation Capacity today in MPPT One/Two RunTim Total Running Time Today SumTim Total Running Time 7.4.3 Query Interface Press Ent on main interface to view related information in query interface. Eight choosing items on the query interface: System Info, Error Record, SET, Clear Record, Data &...
  • Page 23 NG2Imp The insulation resistance of negative pole in PV2 Error Record Error record shows error information and happened time. When inverter has fault, FAULT LED turns on. Users can check and solve faults referring chapter 10“trouble shooting”. Please contact after-sales if fault still exits.

  • Page 24: Technical Data

    next step. Set year, month, day, hour and minute one by one according to local time. Press ENT save and back to main interface. RS485 Setting 485 address shows communication address and baud rate. Press ENT to enter communication address setting interface;...
  • Page 25 Electrical Specifications BNT017KTL BNT020KTL Input (DC) Max DC Power (W) 18700 22000 Max DC Voltage (V) 1000 1000 Rated/Recommended Voltage (V) MPPT DC Voltage Range (V) 300～800 300～800 Start up DC Voltage (V) Turn off DC Voltage (V) Max DC Current (A) 21*2 22*2 Isc PV (A)

  • Page 26: Trouble Shooting

    Pollution degree UV protection Aluminium Internal Weight [kg] Ambient Temperature Range -25℃ ~ +60℃ Humidity range 0% ~ 100% Topology Transformerless RS485/WI-FI/Wire Ethernet/GPRS Communication Interface (optional) Cooling Concept Convection ＜40 Noise Emission [dB] Elevation Up to 2000m without derating 9 Trouble Shooting In most situations, the inverter requires very little service.
  • Page 27 3.Bus hardware overvoltage fault automatically restart. 3.Please contact with local dealer if error remains the same after several reset. IntFaultC Electricity grid abnormal 1.After electricity grid returns to normal, the machine will Unbalanced current fault auto matically restart. 2.Please contact with local dealer if error remains the same after several reset.
  • Page 28 several reset. IntProtectF When direct current is at low Please contact with local dealer if error remains the same after voltage, Soft start overtime several reset. protection IntProtectG Bus voltage differential protection Please contact with local dealer if error remains the same after several reset.
  • Page 29 2.Please contact with local dealer if error remains the same after several reset. SPICommErr SPI communication error Please contact with local dealer if error remains the same after several reset. TempOver 1.The machine is exposed to sun. 1. Lower machine surrounding temperature or move it to a lower 2.the ambient temperature is too temperature place.

  • Page 30: Contact

    • Inverter type • Inverter serial number •Inverter SN Number •Customer Information The contents of this manual are subject to change without further notice. For Afore latest product information, please visit our website www.aforenergy.com Afore New Energy Technology Co., Ltd. www.aforenergy.com ADD: No 2755, Sanlu Rd, Minhang District, Shanghai, China.

  • Page 31: Annex Warranty Terms (Overseas)

    1.1 Afore inverters comply with local safety regulations related to the national grid and grid standards. 1.2 The inverter warranty is decided by Afore and its distributor. 1.3 Spare parts warranty is valid 3 months (beginning from the date of shipment), during the warranty period, Afore is responsible for the replacement.
  • Page 32 3.2 When the dealer or Afore confirm that it is the product quality problem ,the faulty product will be replaced. 3.3 For the product has been replaced or repaired, the remaining warranty entitlement will be transferred to the replacement or repaired device 3.4 Afore is only responsible for the company's products troubleshooting, repair and replacement, but doesn’t...
  • Page 35 Afore New Energy Technology Co., Ltd. www.aforenergy.com ADD: No 2755, Sanlu Rd, Minhang District, Shanghai, China. 201112 TEL: +86-21-54326236 FAX: +86-21-54326136 E-MAIL:info@aforenergy.com...

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Bnt017ktlBnt020ktl

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