Fonrich FR-DCBS-AFC4C User Manual

Arc fault protection box

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User Manual
Version 1.1
Arc Fault Protection Box FR-DCBS-AFC4C
Scan code to learn more
Fonrich (Shanghai) New Energy Technology Co., Ltd.
Add: 1st Floor, Building 5, No.999 Jiangyue Road, Minhang District,Shanghai
Web: www.fonrich.com
Tel:+86 21 61679671
Email: sales@fonrich.com
-DCBS-AFC4C

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Summary of Contents for Fonrich FR-DCBS-AFC4C

  • Page 1 User Manual Version 1.1 Arc Fault Protection Box FR-DCBS-AFC4C Scan code to learn more Fonrich (Shanghai) New Energy Technology Co., Ltd. Add: 1st Floor, Building 5, No.999 Jiangyue Road, Minhang District,Shanghai Web: www.fonrich.com Tel:+86 21 61679671 Email: sales@fonrich.com -DCBS-AFC4C...
  • Page 2: Table Of Contents

    Fonrich New Energy Technology Co., Ltd. Table of Contents Table of Contents........................1 Preface ............................3 1 Safety Precautions ........................4 2 Product Overview ........................6 2.1 Description ........................6 2.2 Appearance ........................7 2.3 Principles of Design ......................7 2.3.1 Schematic Diagram ....................7 2.3.2 Work principle ......................
  • Page 3 Fonrich New Energy Technology Co., Ltd. 6.3 Status Interface ....................... 18 6.3.1 Design of the status interface...................18 6.3.2 Contact Status ......................18 6.3.3 Arc Threshold (Range 1-127) .................. 18 6.3.4 Arc Alarm Times (Range 1-10) ................19 6.3.5 Arc Mode ......................... 19 6.3.6 Arc IAT (Range1-4)....................
  • Page 4: Preface

    Instruction This user manual describes introduction, installation, electrical connection and operation in detail for FR-DCBS-AFC4C users. Before installing and operating of the equipment, you should read and understand all the instructions and be familiar with the relevant safety in relevant paragraphs.
  • Page 5: Safety Precautions

     Please read this user manual carefully before installation. If the equipment is damaged resulting from violation of the regulations specified in this document, our company has the right not to guarantee the quality.  The distance between FR-DCBS-AFC4C and the object should meet the conditions. Electrical connection ...
  • Page 6 Fonrich New Energy Technology Co., Ltd. Operation  FR-DCBS-AFC4C has high voltage during operation, which may cause electric shock or death in severe cases. Please operate strictly in accordance with the safety precautions listed in this manual and other related documents.
  • Page 7: Product Overview

    WiFi internet connection, email alarm notification Application FR-DCBS-AFC4C is mainly used in small sizes of distributed PV system, such as <10KW residential solar system. The system consists of PV strings, arc fault protection box, inverter and grid, as shown in the figure below.
  • Page 8: Appearance

    2.2 Appearance Dimensions(mm) LED Signal There is a LED in the front of the FR-DCBS-AFC4C,which indicates the operating state of the product. The green LED is on : The product is operating normally . The green LED is off : The product is not operating or the arc faults occurred .
  • Page 9: Work Principle

    Fonrich New Energy Technology Co., Ltd. Single-phase three-wire Three-phase four-wire 2.3.2 Work principle If the arc fault is detected, the product will issue an alarm signal by the indicator and Email. At the same time, the AC relay will be driven to break off the AC circuit between the inverter and the grid.
  • Page 10: Arc Alarm Strategy

    Fonrich New Energy Technology Co., Ltd. 2.4 Arc alarm strategy 2.4.1 Arc mode We divide the arcs into Instantaneous Arc and Continuous Arc. Instantaneous Arc The arc duration does not exceed the Instantaneous Arc Time (IAT), and there is no arc occurring again within the Continuous Arc Time (CAT).
  • Page 11: Installation

     A solid support surface must be available.  The ambient temperature range is -30℃ ~ +60℃.  The protection level of FR-DCBS-AFC4C is IP65, and it can be used in both indoor and outdoor environments.  The product should be installed such that the LED signal can be read off...
  • Page 12: Drilling Diagram

    Fonrich New Energy Technology Co., Ltd. without difficulty. Recommended installation clearances If you maintain the recommended clearances,adequate heat dissipation will be ensured. Thus,you will prevent power reduction due to excessive temperature.  Maintain the recommended clearances to walls as well as to other products or objects.
  • Page 13 Fonrich New Energy Technology Co., Ltd. 3) Place the product vertically on the wall and use the screws to attach the four fixtures of the product to the wall. Note : Install the front panel after completing the electrical connections in the...
  • Page 14: Electrical Connection

    Fonrich New Energy Technology Co., Ltd. 4 Electrical Connection  Before electrical connection, please make sure that FR-DCBS-AFC4C is not damaged and in a safe state, otherwise it may cause electric shock or fire.  Touch the cables of the PV array on the insulation only.
  • Page 15: Ac Terminals(Single-Phase Three-Wire Connection)

    Fonrich New Energy Technology Co., Ltd. 3) Insert the stripped conductor section into the connection port. 4) Press down the handle of the DC terminals. 4.2 AC Terminals(Single-phase three-wire connection) Connect the product, inverter and grid through the AC terminals as shown in the figure below.
  • Page 16: Ac Terminals(Three-Phase Four-Wire Connection)

    Fonrich New Energy Technology Co., Ltd. 3) Insert the stripped conductor section into the corresponding connection port. 4) Press down the handle of the AC terminals. 4.3 AC Terminals(Three-phase four-wire connection)  When wiring three-phase four-wire, the silkscreen mark of the AC terminals is not applicable, please follow the instructions for wiring.
  • Page 17: Operation

     The product must be correctly installed.  All cables must be correctly connected. 5.2 Operation Perform power-on operation to turn on the FR-DCBS-AFC4C. The green indicator is on, and the product is in normal operation. 5.3 Clearing the Arc Alarm When the green indicator is off, it proves that arc fault has occurred.
  • Page 18: App Connection

    Fonrich New Energy Technology Co., Ltd. 6 APP Connection FR-DCBS-AFC4C has a matching mobile phone APP(FR-DCBS-AFC4x). Users can connect the FR-DCBS-AFC4C to APP by Bluetooth. 6.1 Download (FR-DCBS-AFC4x) IOS users can download the APP in the APP Store   Users can scan the following QR code to download the matching APP or download it on the FONRICH website (www.fonrich.com).
  • Page 19: Status Interface

    Fonrich New Energy Technology Co., Ltd. 6.3 Status Interface 6.3.1 Design of the status interface 6.3.2 Contact Status Click on [Trig it] when the contact status is [close]. The product makes a clicking sound at this moment, and the contact status is changed to [open].
  • Page 20: Arc Alarm Times (Range 1-10)

    Fonrich New Energy Technology Co., Ltd. 6.3.4 Arc Alarm Times (Range 1-10) Clink on [Modify]. Enter the desired parameter [5]and select [OK] (Take 5 as an example). This parameter is modified to [5]. 6.3.5 Arc Mode Clink on [ ].
  • Page 21: Arc Iat (Range1-4)

    Fonrich New Energy Technology Co., Ltd. 6.3.6 Arc IAT (Range1-4) Clink on [Modify]. Enter the desired parameter [2]and select [OK] (Take 2 as an example). This parameter is modified to [2]. 6.3.7 Arc CAT (Range15-60) Clink on [Modify]. Enter the desired parameter [20]and select [OK] (Take 20 as an example).
  • Page 22: Wifi

    Fonrich New Energy Technology Co., Ltd. 6.4.2 WIFI Clink on [Modify]. Enter the name and password of the WiFi and select [OK]. The WiFi is modified. 6.4.3 Notification Email Address Clink on [Modify]. Enter the name and Email of the user and select [OK].
  • Page 23: Appendix

    Updated certain content of 4 Electrical Connection. 2021.7.28 Updated certain content of 6.3 Status Interface. 7.2 Contact Us Fonrich (Shanghai) New Energy Technology Co., Ltd. Add: 1st Floor, Building 5, No.999 Jiangyue Road, Minhang District,Shanghai Tel: +86 21 61679671 Email:sales@fonrich.com...

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