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User Manual
EK11
In order to prevent improper operation before use, please carefully read this
manual.

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Summary of Contents for FoxESS EK11

  • Page 1 User Manual EK11 In order to prevent improper operation before use, please carefully read this manual.
  • Page 2: Table Of Contents

    3.1 Handling ..........................2 3.2 Installation ..........................2 3.3 Response to Emergency Situations ..................3 4. Product Information ........................3 4.1 EK11 Specifications ........................3 5. Product Features ..........................4 5.1 Battery System Features ....................... 4 5.2 Monitoring Methods ......................5 6. Installation ............................. 5 6.1 Items in the package ......................
  • Page 3: Introduction

    1. Introduction The document describes the installation, commissioning, maintenance and troubleshooting of the following high voltage battery listed below. EK11 · The battery chemistry of this product is Lithium Iron Phosphate. This manual is designed for qualified personnel only. The tasks described in this document should be performed by authorized and qualified technicians only.
  • Page 4: Safety

    PE conductor terminal. 3. Safety Any work on the batteries should be handled by authorized technicians and hence it is understood that the technicians should familiarize themselves with the contents of this manual before any maintenance or installation is carried out on the system. 3.1 Handling Do not expose battery to open flame.
  • Page 5: Response To Emergency Situations

    4. Product Information EK11 photovoltaic energy storage system is a high-voltage energy storage system based on lithium-ion ferrous phosphate battery. It is equipped with a customized battery management system (BMS), which is designed for energy storage applications of household photovoltaic power generation users.
  • Page 6: Product Features

    5. Product Features 5.1 Battery System Features The batteries have been fitted with multiple protection systems to ensure the safe operation of the system. Some of the protection system includes: Inverter interface protection: over voltage, over current, external short circuit, reverse polarity, ·...
  • Page 7: Monitoring Methods

    Pin configuration is as follows: LINK IN LINK OUT Function Function Function Function definitions declaration definitions declaration Main_SL Main_SL Last_SL Last_SL RACK_CANL CANL RACK_CANL CANL RACK_CANH CANH RACK_CANH CANH ISO_GND ISO_GND Sync_WKEOUT WakeupIn Sync_WKEOUT WakeupOut Encode_IN Encode_IN Encode_OUT Encode_OUT Function Function definitions declaration...
  • Page 8: Clearance

    D8 Plastic Expansion M5*10 Screwsx2(F2) OT Terminal×2(G2) Parallel Plug×2(H2) Tube×8(E2) PCS Communication Ground Cable (3m)×1(J2) Power Cable (3m)×1(K2) Quick Installation Cable (3m)×1(I2) Guide×1(L2) 6.2 Clearance Standing mounting: Wall mounting: Make sure to leave a space of at least 300 mm. A clearance of at least 300 mm must be Ieft around the battery pack for proper cooling.
  • Page 9: Tools

    Note: Make sure that the battery pack is always exposed to the ambient air. The battery pack is cooled by natural convection. If the battery pack is entirely or partially covered or shielded, it may cause the battery pack to stop operating. 6.3 Tools The following tools will be required to install the battery.
  • Page 10: Installation Steps

    6.4 Installation Steps Step 1: The steps for installing the bracket is as follows: a. Place the bracket against the wall, adjust the hole position with a level (K1) , and mark the positions of the 8 holes. b. Remove the bracket, drill the holes with a hammer drill (φ8mm, depth range 45-50mm), and tighten the expansion bolts to ensure that the bracket is securely installed.
  • Page 11 Step 3: Insert 2 pcs of M5*10 screws (F2) into the holes on the left and right sides of the mounting bracket then tighten the screws. Stand-alone mode: Step 1: Insert the 2 parallel plugs (H2) into the LINK IN and LINK OUT ports respectively. Step 2: Connect the inverter cables:...
  • Page 12 Note: Power cable (K2) must be pulled straight from the battery DC+/- for more than 80mm before bending. Make sure that the power cable connected to the inverter is connected vertically and that the vertical length is greater than 30 cm. If the cable is bent close to the terminals, it may cause poor line contact and result in burnt terminals.
  • Page 13 Parallel mode: Step 1: Connect the parallel cables: The steps for parallel connection of batteries is as follows: a. Insert the parallel plug (H2) into the LINK IN port, this battery is defined as the Main battery (whichever battery can be set as the Main). b.
  • Page 14 Step 2: Connect the inverter cables: Note: Keep a distance of 300-600mm from the battery to the junction box. Power cable(K2) must be pulled straight from the battery DC+/- for more than 80mm before bending. Make sure that the power cable connected to the inverter is connected vertically and that the vertical length is greater than 30 cm.
  • Page 15: System Start Up Preparation

    b. Connect the PCS communication cable (I2) of the Main battery to the BMS communication port of the inverter. c. Connect the power cable (K2) of each battery to the junction box (need to purchase separately).Connect the output power cable of the junction box to the battery port of the inverter. 6.5 System start up preparation ·...
  • Page 16: Commissioning

    7. Commissioning There are five LED indicators to show its operating status. Different symbols indicate different flashing modes, and the explanation is as follows: Symbol Status ■ LED flash display (on: 0.5S,off: 0.5S ) LED off display ● LED on display SOC status indicated by indicator: Status SOC(LED4-1)
  • Page 17 Fault status indicated by indicator: Fault SOC(LED4-1) Under voltage fault ■ ● Over voltage fault ■ ● Over temperature fault ■ ● ● Under temperature fault ■ ● Discharge over current ■ ● ● Charge over current ■ ● ● Reserve ■...
  • Page 18: Exclusion

    8. Exclusion The warranty shall not cover the defects caused by normal wear and tear, inadequate maintenance, handling, storage faulty repair, modifications to the battery or pack by a third party other than manufacturer or manufacturer agent, failure to observe the product specification provided herein or improper use or installation, including but not limited to the following.
  • Page 19 - Preliminary determination steps Battery system cannot work, When the DC Switch is turned on and the Power Switch is pressed, the LED doesn’t light up or flash, please consider contact the local distributor. 1) The LED display of BMS is normal, but it cannot charge and discharge. Observe the display screen of inverter and there is no SOC.
  • Page 20 The copyright of this manual belongs to FOXESS CO., LTD. Any corporation or individual should not plagiarize, partially or fully copy (including software, etc.), and no reproduction or distribution of it in any form or by any means is permitted. All rights reserved.

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