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Summary of Contents for FoxESS EP3
- Page 1 User Manual EP Battery EP10 EP11 In order to prevent improper operation before use, please carefully read this manual.
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Page 2: Table Of Contents
5.1 During Full Warm Up ........................4 5.2 During PV Warm Up ........................4 5.3 Warm Up Time Slot ........................4 6. Product Information ..........................5 6.1 EP3 Specifications ........................5 6.2 EP4 Specifications ........................6 6.3 EP5 Specifications ........................7 6.4 EP10 Specifications ........................8 6.5 EP11 Specifications ........................ -
Page 3: Introduction
1. Introduction The document describes the installation, commissioning, maintenance and troubleshooting of the following high voltage battery listed below. · 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: Mounting
3.3 Mounting · Installation precaution. · Make sure the installation site meets the following conditions. · Not in direct sunlight. · Not in areas where highly flammable materials are stored. · Not in potential explosive areas. · Not in the cool air directly. ·... -
Page 6: Warm Up
5. Warm Up In low-temperature climates at high altitudes or latitudes, particularly during winter, the charging and discharging performance of batteries can significantly decline due to cold temperatures. To address this, Fox ESS has introduced a "Battery Warming Up" feature, enabling the battery system to operate effectively at extremely low temperatures. -
Page 7: Product Information
6.1 EP3 Specifications Specifications for Battery Battery module Nominal capacity (Ah) Nominal voltage (Vdc) Usable energy*¹... -
Page 8: Ep4 Specifications
6.2 EP4 Specifications Specifications for Battery Battery module Nominal capacity (Ah) Nominal voltage (Vdc) Usable energy*¹ (kWh) Battery voltage range (Vdc) 174~219 Max. continuous discharging/charge current (A) 27/27 Recommended charging current (CC-CV) (A) 13.5 Charging cut off current (constant current and constant voltage) (A) Peak charging current (5s) (A) 32.4 Peak discharging current (30s) (A) -
Page 9: Ep5 Specifications
6.3 EP5 Specifications Specifications for Battery Battery module Nominal capacity (Ah) Nominal voltage (Vdc) Nominal energy (kWh) 5.18 Battery voltage range (Vdc) 174~219 Max. continuous discharging/charge current (A) 27/27 Recommended charging current (CC-CV) (A) 13.5 Charging cut off current (constant current and constant voltage) (A) Peak charging current (5s) (A) 32.4 Peak discharging current (30s) (A) -
Page 10: Ep10 Specifications
6.4 EP10 Specifications Specifications for Battery Battery module EP10 Nominal capacity (Ah) Nominal voltage (Vdc) Usable energy*¹ (kWh) Battery voltage range (Vdc) 348~438 Max. continuous discharging/charge current (A) 27/27 Recommended charging current (CC-CV) (A) 13.5 Charging cut off current (constant current and constant voltage) (A) Peak charging current (5s) (A) 32.4 Peak discharging current (30s) (A) -
Page 11: Ep11 Specifications
6.5 EP11 Specifications Specifications for Battery Battery module EP11 Nominal capacity (Ah) Nominal voltage (Vdc) Nominal energy (kWh) 10.36 Battery voltage range (Vdc) 348~438 Max. continuous discharging/charge current (A) 27/27 Recommended charging current (CC-CV) (A) 13.5 Charging cut off current (constant current and constant voltage) (A) Peak charging current (5s) (A) 32.4... -
Page 12: Product Features
Battery protection: internal short circuit, over voltage, over current, over temp, under voltage. · The battery system contains the following Interface to allow it to connect and operate efficiently. Battery interface (EP3/4/5): Left side Front side Right side... - Page 13 Object Description Object Description Object Description Handle Ground Terminal Ground Terminal LINK IN PCS COM Power Switch Handle BMS Status LED Valves DC Switch SOC LED LINK OUT Battery Bracket Communication parallel interface (LINK IN, LINK OUT) and communication interface to inverter (CAN) Network interface description: LINK IN is connected to the upper battery module, LINK OUT is connected to the lower battery module.
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Page 14: Monitoring Methods
BMS Status LED and SOC LED LED display specific alarm information and battery system power. 7.2 Monitoring Methods Battery system remote monitoring available via inverter app. 8. Installation 8.1 Tools The following tools will be required to install the battery. 6mm Magnetic Crimpers(B1) Safety Shoes(C1) -
Page 15: Ep3/4/5
8.2 EP3/4/5 8.2.1 Items in the package Please check if following items are including with the package: Battery×1(A2) Bracket(wall)×1(B2) Bracket(battery)×2(C2) M6×12 Screw×4(D2) D8 Plastic Expansion M5×10 Screws×2(F2) OT Terminal×2(G2) Parallel Plug×2(H2) Tube×4(E2) PCS Communication Ground Cable (3m)×1(J2) Power Cable (3m)×1(K2) Quick Installation Cable (3m)×1(I2) -
Page 16: Wall 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. 8.2.3 Installation steps Step 1: The steps for installing the bracket are as follows: a. - Page 17 Step 2: The steps for installing the battery on the wall are as follows: a. Align the buckle of the battery bracket with the holes of mounting bracket on the wall, then place the battery from top to bottom. b. Observe the left and right sides of the bracket to ensure that the holes of the battery bracket and mounting bracket on the wall are aligned.
- Page 18 Step 2: Connect the inverter cables: 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.
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Page 19: Parallel Mode
c. Remove the waterproof bridge from DC+ and DC-, then insert the Power Wire (K2) into DC+ and DC-. 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). - Page 20 Note 2: The steps of installing the parallel communication wire are as follows: 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 21 a. Connect the Ground Cable (J2) of the Main battery to the ground. 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.
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Page 22: Ep10/11
8.3 EP10/11 8.3.1 Items in the package Please check if following items are including with the package: Battery×1(A2) Bracket(wall)×1(B2) Bracket(battery)×3(C2) M6×12 Screw×6 (D2) 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) -
Page 23: Installation Steps
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. Note: Make sure that the battery pack is always exposed to the ambient air. The battery pack is cooled by natural convection. -
Page 24: Stand-Alone Mode
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. - Page 25 Step 2: Connect the inverter cables: 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.
- Page 26 b. Connect the PCS Communication Cable (I2) to the BMS port on the inverter. c. Remove the waterproof bridge from DC+ and DC-, then insert the power wire (K2) into DC+ and DC-. Parallel Mode： Step 1: Connect the parallel cables:...
- Page 27 The steps for parallel connection of batteries are 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. Connect the Ground Cable (J2) from the ground terminal of the Main battery (left side of the battery) to the ground terminal of the next battery (right side of the battery), and continue the same connection until the ground terminal of the last battery (left side of the battery).
- Page 28 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.
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Page 29: System Operation
8.4 System Operation · When the grid connected system is started, the inverter should be turned on first to avoid the current pulse of the inverter increasing to the battery pack. · All installation and operation must comply with local electrical standards. ·... -
Page 30: Commissioning
9. 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 31 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 ■...
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Page 32: Exclusion
10. 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 33 - Problem determination based on the following points Whether the green light on the power switch is on; Whether the battery system can be communicated with inverter; Whether the battery can be output voltage or not. - 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.
- Page 34 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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