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Fortress Power Avalon ESS Installation Manual

High voltage energy storage system
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FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM
Installation Guide
Avalon HV Energy Storage System (ESS)
HV-ESS-GUIDE-121723 v00
1

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Summary of Contents for Fortress Power Avalon ESS

  • Page 1 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Installation Guide Avalon HV Energy Storage System (ESS) HV-ESS-GUIDE-121723 v00...

  • Page 2: Important Notes

    Fortress Power will not be held liable for defects or mal- errors in the material provided in this document. functions arising from: •...

  • Page 3: Table Of Contents

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Table of Contents Contents Avalon HV Energy Storage System (ESS) ........................... 1 IMPORTANT NOTES .......................... 2 Table of Contents ..........................3 1.1. Intended Audience ..............................5 1. INTRODUCTION ..........................5 1.2. Manual Instructions .............................. 5 1.3.
  • Page 4 7.1. Avalon ESS Reference Design – 200A Service Entrance ..............66 7. Appendix ............................66 7.2. Avalon ESS Reference Design - 150A Backup with Load Shedding ..........67 7.3. Avalon Smart Energy Panel Technical Parameters ................68 7.4. Avalon HV Hybrid Inverter Technical Parameters ................69...

  • Page 5: Introduction

    Fortress Installer/Homeowner Mobile Application (APP) provides control and monitor user interface of the system. Avalon ESS is designed for both indoor and outdoor settings. SEP and Hybrid Inverter are wall-mount designs, the Battery pack is floor/ground mount. The Battery pack footprint is compact and battery module is stackable. The system has been evaluated per UL9540a large-scale fire for parallel Battery packs maintaining adequate safety spacing, although additional spacing requirements may be necessary for wiring access and ease of installation.

  • Page 6: Hybrid Inverter Description

    1.6. High Voltage BMS and Battery Module Description The Avalon HV Battery, a cornerstone of Fortress Power's advanced residential energy storage solutions, exemplifies a high-performance and scalable system. Comprising a high-voltage Battery Management System (BMS) module and 3 to 6 battery modules. each offering 4.9 kWh capacity.
  • Page 7 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM standards for large-scale fire safety. Figure 1.3 Battery pack Front View...

  • Page 8: Terminology

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 1.7. Terminology In this guide, the complete energy storage system from Fortress Power is referred to as the “Avalon ESS”. Components long name, short name and abbreviation are used interchangeably: Avalon High Voltage Energy Storage System...

  • Page 9: Safety & Warning

    Risk of electric shock - do not remove cover. There are no user serviceable parts inside, refer service to qualified and CAUTION accredited service technicians. Operations must be accomplished by a licensed electrician, or a person authorized by Fortress Power. WARNING Installers must wear personal protective equipment during the entire installation process in case of electrical hazards.
  • Page 10 Do not install Avalon HV Battery in existing systems or mix Avalon HV Battery with other brands or chemistries; do not mix CAUTION other Fortress Power batteries from different installations, customers, or job sites. Do not disassemble or modify the battery. If the battery casing is damaged, do not touch the leaking parts.
  • Page 11 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Risk of damage the battery pack Do not expose battery pack to liquids. Do not expose the battery pack to high voltage. • Do not place anything on top of the battery compartment.

  • Page 12: System Use Cases Functions And Operation Modes

    3. SYSTEM Use Cases Functions and Operation Modes 3.1. Typical Use Cases While the Avalon ESS can support many versatile configurations to suit customer specific needs, the following are the typical use cases we recommend for your system design reference.
  • Page 13 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 3.1.2. Partial Home Backup Figure 3.2 SEP as Sub Panel In this use case: NOTE Neutral and Ground do not need to be bounded. Select main Breaker size according to subpanel busbar rating (e.g. 150A, 125A).

  • Page 14: System Design Note

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 3.2. System Design Note 3.2.1. Basic Functions Grid-tied and backup: The Avalon Smart Energy Panel (SEP) offers a dual-functionality for both grid-tie and backup operations. It features a 200A pass-through function, allowing direct connection to a 200A main service feeder for seamless integration with the grid. For maintenance and safety, the installation of a grid bypass knife switch is recommended.

  • Page 15: Operation Modes

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 3.3. Operation Modes The Avalon ESS can interconnect with the power grid and provide flexibility of 4 operation modes, default operation mode is Self-Use Mode. 3.3.1. Save Solar for My House This mode can maximize the use of PV power generation for household electricity or store it in batteries and use it for household electricity.

  • Page 16: System Installation Preparation

    4. SYSTEM Installation Preparation 4.1. Select a Location to Install When selecting a location for the Avalon ESS, the following criteria should be considered: The ideal location is one where the ambient temperature does not exceed 40°C (104°F) SEP is a wall mount design, on a load bearing wall structure.

  • Page 17: System Component Mounting And Spacing

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM The ambient temperature and relative humidity of the installation environment should meet the following requirements: Maximum Temperature Minimum Temperature Max. Relative Humidity Maximum Altitude 131 °F -4 °F 100% 9,843 ft Non-Condensing 55 °C...

  • Page 18: Product Handling

    • 4.4. Notice for Use The Avalon ESS has been constructed according to the applicable safety and technical guidelines. Use the Avalon ESS in installations that meet the following specifications only: Permanent installation is required.

  • Page 19: Tools Required For System Installation

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 4.5.3. Charge and Discharge If the following situations occur, the battery module must be charged before use, otherwise performance degradation and/or damage to the battery will not be covered by the warranty: The battery module has been transported or stored for over 6 months and it has not been operated according to the requirement of supplementary electricity.

  • Page 20: Breaker And Cable Preparation

    (for commissioning) 4.7. Breaker and Cable Preparation Installation of Avalon ESS should be carefully planned and reference Fortress Power use case diagrams of Figure 3.1-3.2 above. Since installation and 3 party equipment are customer specific, when this product leaves the factory most of the OCPD and cables are NOT included unless explicitly stated.
  • Page 21 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Utility grid main This circuit breaker is not needed if there is circuit Eaton Location Definition Installation Conditions Recommend Model input breaker breaker installed after the grid enters the household. CSR2200N, CSR2175N, CSR2150N,...

  • Page 22: Unpack Check List

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 4.8. Unpack Check List 4.8.1. Smart Energy Panel Packing List If any of these items are missing or damaged, please contact your local Fortress Power distributor. Number Name Description Unit Picture Smart energy panel WxHxD: 21.93"...
  • Page 23 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM SD card 32GB SD card for HMI LCD software upgrade 4.8.2. HV Hybrid Inverter Packing List If any of these items are missing or damaged, please contact your local Fortress Power distributor. Number Name Description Unit...
  • Page 24 Grid input breaker, 1box(2pcs C63) in PC114(11.4kW) inverter package Quick guide Avalon HV Hybrid Inverter Quick Guide 4.8.3. HV BMS Module Packing List If any of these items are missing or damaged, please contact your local Fortress Power distributor. Number Name Description Unit Picture...
  • Page 25 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Heavy-duty metal, power-coated black foundation built to withstand harsh Battery pack floor environmental conditions and providing long- stand lasting support to battery modules and BMS module. It accepts four (4) adjustable feet if needed and can be secured to a concrete pad.
  • Page 26 2 Avalon System communication Communication from Inverter to SEP cable 3 4.8.4. HV Battery Module Packing List If any of these items are missing or damaged, please contact your local Fortress Power distributor. Number Name Description Unit Picture Lithium-Ion Lithium-Ion phosphate 48V battery module.

  • Page 27: System Installation

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5. SYSTEM Installation 5.1. Install Smart Energy Panel 5.1.1. SEP Overview Motion LED Indicator Emergency Stop Switch Motion Sensor Figure 5.1 Front View 2 in. AC Output 2 in. AC Grid 1-1/4 Load 1-1/4 in.
  • Page 28 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM AC Input Relay AC Combiner Protection AC Input Protection AC Output Protection HMI LCD AC Combiner AC Load Shedding Relays Input/Output Relays PCS Grid Protection Wireless Antenna Figure 5.3 Inside Front Panel View 5.1.2.
  • Page 29 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.1.3. Install Wall Mount Bracket Mark drilling positions through 8 bracket mounting holes, and drill installation holes with diameter of 5/16 inch (8mm) and depth greater than 2-3/4 inches (70mm). • Cement wall mounting is recommended, if mount on wooden structure wall, bracket need to be fixed on weight bearing stud.
  • Page 30 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.1.4. Hang SEP Cabinet Hang the SEP cabinet on the wall bracket and use 2 M6 bolts to lock the fixing plate on both side of SEP cabinet onto the wall bracket.
  • Page 31 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.1.6. SEP Wiring Guide SEP should use the wiring method in accordance with the NEC code. The auxiliary materials used for the sheath tube shall meet the requirements of UL514B. AC Combining Breakers Terminals...
  • Page 32 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.1.7. SEP Wiring Instructions 5.1.7.1. SEP to Inverter and Battery Low Voltage and Communication Connection All low voltage and communication cables are supplied and labeled to ease the wiring. Follow the printed wiring chart inside SEP wiring area, map the wire labels against the wiring chart and insert the wire ferrules to the corresponding terminals of the terminal block.
  • Page 33 System Grounding For the Avalon ESS to work properly and provide accurate fault detection and protection, a common ground point and proper wring is essential. The central grounding point of the system is the SEP ground bar, tie all other devices and components ground to this point.
  • Page 34 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.1.7.5. SEP to Grid AC Wiring Land grid side AC wires from the Grid Meter or OCPD in the main service panel to SEP QF1 L1 and L2 terminals. Wire grid side neutral and PE wires to SEP neutral busbar and PE busbar, respectively.
  • Page 35 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Connection relation, definition, and requirements Hybrid Inverter Note B-PE Protective Earth terminal B-L1 Terminal L1 Inverter Backup port L1 B-L2 Terminal L2 Inverter Backup port L2 Neutral Neutral terminal Neutral Neutral terminal...
  • Page 36 SEP has a built-in communication gateway, which supports Bluetooth communication for local commissioning and monitoring using FP Mobile App. The gateway also supports WiFi communication to home router, then to internet, where the Avalon ESS can be registered on FP cloud platform.

  • Page 37: Install Hv Hybrid Inverter

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.2. Install HV Hybrid Inverter 5.2.1. Hybrid Inverter Overview LED Status Indicators DC Disconnect Switch AC Bypass Switch Rapid Shutdown Initiation Figure 5.12 Hybrid Inverter Front View in Knockout 1 in. Knockout for...
  • Page 38 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Mounting Mounting Bracket Hook Bracket Hook Carrying Handle Carrying Handle DC Switch AC Backup Switch Rapid Shutdown Switch 1 in. DC PV 1-1/2 in. Ac Grid Figure 5.14 Hybrid Inverter Left/Right Side View...
  • Page 39 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM There are five indicator lights on the Avalon HV Hybrid series inverter: Battery, Inverter, Wi-Fi, RS485 and Bluetooth. These lights indicate the 5.2.2. LED Indicator Lights working status of the inverter. Light...
  • Page 40 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.2.3. Install Wall Mount Bracket and Hang Inverter Total bracket length: 18 11/16 in (476 mm) Center hole to center hole: 16 in (406.4 mm) Center hole to Total bracket center hole: 10...
  • Page 41 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Figure 5.18 Inverter on mounting bracket and set screws The inverter is very heavy. Please use proper lifting techniques to WARNING: avoid potential injury. It is recommended that two people lift the inverter.
  • Page 42 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Hybrid Inverter should use the wiring method in accordance with the NEC code. The auxiliary materials used for the sheath tube shall meet the 5.2.4. Hybrid Inverter Wring Guide requirements of UL514B.
  • Page 43 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Battery CAN Communication between the From battery to terminal CAN-L and CAN-H. 22-16 AWG Cable inverter & the battery For more details, refer to Battery installation (Included in guide BMS package) Table 5.1 Inverter Wiring Guideline 5.2.5.
  • Page 44 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.2.5.2. PV Cable Installation Before installing the PV cables, be sure that the PV array is disconnected. DANGER: Use a multimeter to verify that the PV string voltages are 0V before proceeding. If rapid shutdown is being used, then under 30Vdc per string is safe.
  • Page 45 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.2.5.3. Internal Rapid Shutdown The inverter comes with an internal rapid shutdown transmitter. This transmitter brand must match the receivers that are being IMPORTANT NOTE: installed with the PV modules. Not abiding by this will void the inverter warranty.
  • Page 46 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Figure 5.24 External RSD Initiation Switch An external transmitter can be installed, but the internal transmitter must be disabled so there is no crosstalk between the two transmitters. External Rapid Shutdown Transmitter Guidance 1.
  • Page 47 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.2.5.5. Communication Wiring Figure 5.25 Hybrid Inverter communication terminals The inverter communication terminal board consists of 16 wiring terminal ports, 5 RJ45 ports, and 1 antenna port. The table below shows the signal names of each port and its functionality.
  • Page 48 Additional Notes on Batteries: until the system is fully installed before turning the battery on. This inverter only works with Avalon HV Battery models. For other battery’s compatibility with Avalon HV Hybrid Inverter, please contact Fortress Power technical support for assistance.
  • Page 49 The battery fuse in the inverter wire box is replaceable. NOTE: The replacement can only be done by a technician authorized by Fortress Power. Fuse specification: 750V, 63A. Before connecting the battery, please carefully read the product manual of the battery and perform the installation exactly as the NOTE: battery manufacturer specifies.
  • Page 50 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM To connect grid AC cables into the Grid terminals: 1. Strip ½ inch of sheath off the ends of each cable. 2. Insert a round head screwdriver fully into the orange round hole, pull up to open. The knob needs to go all-the-way to the top, or the 2 click to fully open the wire terminal.
  • Page 51 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM A battery is required for backup power. If only PV is installed, this inverter is not able provide backup power when the grid is Backup without PV and AC-Coupling: down. However, the inverter can support the backup panel with a battery only and no PV. The inverter with a battery can be AC-coupled to a system without directly connecting any PV to the inverter.

  • Page 52: Install Hv Battery Pack

    Please note Avalon HV Battery Pack can only be utilized with Avalon HV Hybrid Inverter. Using a battery with a charging rate greater than the battery’s maximum charging rate will trigger battery safety protection. For other battery’s compatibility with Avalon HV Hybrid Inverter, please contact Fortress Power technical support for assistance. BMS Module –...
  • Page 53 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.3.2. BMS Module Indicator Light The indicator light on the BMS Module control and wiring panel displays battery pack operation states. When the battery pack is operating normally, the indicator light is green. When the system fails, the indicator light is red. If the fault still exists after restarting, please contact Fortress Power technical support.
  • Page 54 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Waterproof self-locking metal power on/off button Switch system power ON and OFF Label Name Specification Function PEBS-S-500V80A/C/2 Breaker Pack power output protection POWER PG head/M20*1.5 extended type, nylon waterproof cable Power cable external port. Positive BREAKER gland.
  • Page 55 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.3.5. Assemble and Mount Battery Pack Mount the battery on a flat floor against a stabilization wall structure. The battery pack must be mounted vertically. • Adequate spacing around the BMS wire box, BMS control and wiring panel, and Battery module wiring panel must be provided to gain •...
  • Page 56 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Place 2 battery module flat on the 1 battery module. On the left side, loosen the screws holding the stack mounting brackets, rotate 180 degrees, and fix the brackets on the left side of the 1 battery module using the M4 screws.
  • Page 57 Measure output voltage between “DT+/DT-” bus bars and make sure battery power output is 0V. Battery BMS module package contains 3 communication cables for the Avalon ESS. They are labeled at bundle level and individual wire level. Identify the corresponding cable and run through the correct conduit paths.
  • Page 58 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 5.3.9. Battery to Hybrid Inverter and SEP Communication Wiring CAN0H (Reserved) Hybrid Inverter Note CAN0L (Reserved) 24V+ DC_24V+ Auxiliary Power supply 24V- DC_24V- Auxiliary Power supply D07+ (Reserved) D07- (Reserved) DI5L (Reserved)
  • Page 59 The main ground point of the system is the SEP ground bar, battery ground needs to be wired to SEP main ground bar. Please refer to Section 5.1.7.4. for the Avalon ESS grounding installation detail. For multiple batteries in parallel, all batteries should be connected to the same ground point to eliminate the possibility of a IMPORTANT: voltage potential existing between battery grounds.
  • Page 60 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Battery Pack Left Wiring Water-Proof Cover Panel Cover Figure 5.42 Battery Pack Final Assembly...

  • Page 61: Commissioning Operation And Maintainance

    • Check SEP HMI LCD for normal operation state, set SEP to commissioning mode if not already in this mode. Start Fortress Power Installer App to commission Avalon ESS. Detailed App operation and commissioning steps are in • << Fortress Power Installer App Quick Setup Guide>>.

  • Page 62: Commissioning With Installer App

    • After the commissioning steps are completed and saved in the App, the Avalon ESS will automatically detect the parameters such as the AC grid code, DC voltage, power, and ground impedance, etc. Upon confirmation that these parameters are in line with grid-connected operation requirements, the ESS will automatically enter the “Run “mode to power all configurate loads.

  • Page 63: Lcd Display And Operation

    Figure 6.2 SEP HMI LCD Home Page The HMI LCD screen on the SEP offers a user-friendly interface for basic monitoring, configuration, and alarm reporting of the Avalon ESS. It is designed to provide essential information, settings, and status of the system operation. User control can either via the touch screen or the push buttons on the right side of the panel.

  • Page 64: System Operation And Maintenance

    Making Changes to Load Circuits If need to add/delete/re-wire any load circuit to/from ESS, the system must be shut down and use FP Installer App to re-config Avalon ESS. Follow shutdown sequence in the commissioning section to properly turn off the ESS.
  • Page 65 FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM Site Check Check to ensure no flammable materials are Quarterly Item Method Interval stored around the Avalon, or other objects or site conditions that may impair the system’s safe operation. Basic Performance Check...

  • Page 66: Appendix

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 7. Appendix 7.1. Avalon ESS Reference Design – 200A Service Entrance...

  • Page 67: Avalon Ess Reference Design - 150A Backup With Load Shedding

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 7.2. Avalon ESS Reference Design - 150A Backup with Load Shedding...

  • Page 68: Avalon Smart Energy Panel Technical Parameters

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 7.3. Avalon Smart Energy Panel Technical Parameters Table 7.1 SEP Technical Parameters...

  • Page 69: Avalon Hv Hybrid Inverter Technical Parameters

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 7.4. Avalon HV Hybrid Inverter Technical Parameters Table 7.2 Hybrid Inverter Technical Parameters...

  • Page 70: Avalon Hv Bms And Battery Module Technical Parameters

    FORTRESS POWER AVALON HIGH VOLTAGE ENERGY STORAGE SYSTEM 7.5. Avalon HV BMS and Battery Module Technical Parameters Table 7.3 Hybrid Inverter Technical Parameters...
  • Page 71 2010 Cabot Blvd, Langhorne, PA 19047 Tel: +1(877) 497-6937 Email: sales@fortresspower.com Web: www.fortresspower.com If you encounter any problems with the Avalon ESS, please take note of the ESS serial number and then contact us using the phone number or email listed above.

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