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Summary of Contents for Fortress Power FP-ENVY-12KW
- Page 1 INSTALLATION/USER MANUAL COMPLETE YOUR SOLUTION WITH FORTRESS POWER BATTERIES FP-ENVY-12KW *Batteries are not Included Fortress Power LLC 2023 Fortress Power, LLC. All rights reserved. Information subject to change without notice.
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Page 2: Table Of Contents
Generator Connection ......................................19 AC Coupling Connection ....................................... 19 Paralleling Multiple Inverters ..................................19 RS485 ..................................20 HIRD PARTY COMMUNICATION COMMISSIONING AND POWERING DOWN SEQUENCE ..........20 ........................................20 TART UP THE NVERTER ....................................... 20 HUT DOWN THE NVERTER Fortress Power LLC... - Page 3 Attach home WIFI to Dongle (Alternative Method) ..........................37 Register Account ........................................38 TROUBLESHOOTING & MAINTENANCE ..............40 ......................................... 40 EGULAR AINTENANCE LED D ............................................ 40 ISPLAYS LCD D ................................. 40 ROUBLESHOOTING ASED ISPLAYS DATA SHEET ........................44 CONTACT INFORMATION ..................... 46 Fortress Power LLC...
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Page 4: Safety
Inspect relevant existing wiring on-site of the installation is in good condition before installation, operation, or maintenance. • Inspect that connections are good between the inverter and PV, battery, and grid during installation to prevent damages or injuries caused by bad connections. Fortress Power LLC... - Page 5 The qualified personnel should have had training in the installation and commissioning of the electrical system as well as dealing with hazards, also they should have the knowledge of the manual and other related documents. As the installer or operator, they are required to be familiar with local regulations and directives. Fortress Power LLC...
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Page 6: Brief Introduction
PV Array PV Array Generator 48V Batteries Generator Load 48V Batteries Load PV Array PV Array 48V Batteries Load Load Diagram Number Applications Off-Grid On-Grid, Backup, Net-Metering, Zero-Export AC Coupling, AC /DC COUPLING No Battery Smart Load Fortress Power LLC... -
Page 7: Unboxing
Dongle Dongle Screws Mounting Screw for Wooden Platform & Expansion 6 each Screw Wall Mount Bracket RJ45 Terminals L-shaped Brace Nylon Lock Nuts L-Shaped Brace Screw Installation/ User Manual Knockout Wiring Template Inverter Wall Mount Layout Template Fortress Power LLC... -
Page 8: Overview And Requirements
1/4-5/16 in (6-8mm) Compression/Allen 5/16 SAE Generator Cable Up to 90A port Up to 3 5/16-3/8inch(8~10mm) Compression/Allen 3/16 SAE PV Cable PV Input 10-8 1/4-5/16 in (6~8mm) Spring Clamp Note: Cable gauge also will depend on connection distance Fortress Power LLC... -
Page 9: Inside The Envy Cabinet
NTC: Connection for temperature sensor of lead-acid battery Meter 485B&485A: For Meter communication ±12V: Reserved for customer to use, Max 500mA CAN Matching resistance: Set DIP switch when use inverters in parallel GEN (NO, NC): Connection for generator auto-start function DRY (NO, NC): reserved Fortress Power LLC... -
Page 10: Envy Dimensions
Envy Dimensions Enclosure Specifications Area Description Touch LCD PV Switch RSD STOP button Dongle Connection Port and Dongle Leveling Wall Support Bracket Support Knockout Port Dimensions Fortress Power LLC... -
Page 11: Installation
If installed in the south side orientation, choose a well shaded site or a shed to protect the inverter from direct sunlight, rain, and snow etc. Otherwise install in the correct property side orientation as described in the figure below. The inverter should be installed upright on a vertical surface. >75 >90 Fortress Power LLC... -
Page 12: Wall Mounting The Envy
Fasten the mounting bracket on the studs with 4 wood screws, then hang the inverter onto the bracket and lock the inverter on the wall with 2 self-tapping screws. Please note that the wood screws and self-tapping screws are not provided with the inverter. Installers need to prepare the screws before installation. Fortress Power LLC... -
Page 13: Electrical Installation
Then take appropriate measures to ensure that the conduit and conduit fittings are fastened reliably and seal the cable entry holes. RSD R RSD R RSD R RSD R RSD R 20A PV Fuse Breakers per String Fortress Power LLC... -
Page 14: Rapid Shut Down (Rsd)
The APsmart Transmitter is connected to the inverters internal 12V power supply. The output current limit is 1A (12W). Do not exceed this limit as this may cause damage to the inverter. Device Voltage Rating (V) Current (A) APsmart Single Core Transmitter Tigo RSS Transmitter Fortress Power LLC... - Page 15 Standalone external RSD Button wiring instructions. Normally Closed Button STOP Paralleled external RSD Button wiring instructions. Recommended jumper cable size 22-14 AWG Normally Closed Button Jumper Jumper Jumper Jumper Jumper STOP Primary Inverter Secondary Inverter Secondary Inverter Fortress Power LLC...
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Page 16: Battery Connection
RS485 Battery to Inverter Battery to Inverter Communication Cable (Included) Communication Cable (Included) Bus Bar eVault Max 18.5kWH eFlex 5.4kWH eFlex 5.4kWH eFlex 5.4kWH RS485 Battery to Inverter Communication Cable (Included) eVault Max 18.5kWH eVault Max 18.5kWH Fortress Power LLC... - Page 17 BAT CAN H BAT CAN L BAT RS485 A BAT RS485 B Please Refer to our minimum Battery Sizing Standard when sizing with the ENVY Inverter. Please Refer to the eFlex and eVault Max Installation Manual for more details. Fortress Power LLC...
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Page 18: Ac Connection
CT2N CT2P CT1N CT1P Optional Meter Connection If you need to use a meter for import/export detection instead of CTs, you need to connect it to the Meter 485A and 485B terminals on the inverter (around 100m) Fortress Power LLC... -
Page 19: Generator Connection
The power will drop to zero before the over frequency trip threshold is reached. When the Fortress Power hybrid inverter requires the grid interactive inverter to reduce power, it simply shifts the output frequency up a bit, the grid-interactive inverter will limit its output power accordingly after sensing this frequency shift. -
Page 20: Third Party Rs485 Communication
Inverter will power up. i.If the Inverter does not power up, Stop and correct the issue until it powers up Perform Firmware Inverter Update using the Envy Fortress Power APP. Place the Inverter in Standby mode. LCD screen - Basic section Turn the PV Switch on the side of the inverter to On When commissioning, measure the PV and assure there is no reverse polarity prior to turning on. -
Page 21: Wiring Diagrams
There should be only one Neutral to Ground Bond established on the supply side of the electrical system. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Always adhere to your local jurisdiction guidelines and make sure that an Electrician makes all electrical connections. Fortress Power LLC... -
Page 22: Backup Applications With Backfeeder Connection (Split-Phase Service 120/240V & 120/208V)
There should be only one Neutral to Ground Bond established on the supply side of the electrical system. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Always adhere to your local jurisdiction guidelines and make sure that an Electrician makes all electrical connections. Fortress Power LLC... -
Page 23: Ac Coupling Applications With A Feeder Tap Connection (Split-Phase Service 120/240V)
Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. Depending on your Local Jurisdiction a feeder tap breaker might be required between the Manual Bypass Switch and the feeder tap. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Fortress Power LLC... -
Page 24: Off Grid Applications Connection (Split-Phase Service 120/240V)
There should be only one Neutral to Ground Bond established at the Load panel of the electrical system. Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Fortress Power LLC... -
Page 25: Battery Less Connection (Split-Phase Service 120/240V)
There should be only one Neutral to Ground Bond established on the supply side of the electrical system. Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Fortress Power LLC... -
Page 26: Paralleled Systems Applications With A Feeder Tap Connection (Split-Phase Service 120/240V)
Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. Depending on your Local Jurisdiction a feeder tap breaker might be required between the Manual Bypass Switch and the feeder tap. For requirements of connection safety, please refer 2020/2023 NEC 705.11 or 2017 NEC 705.12A Fortress Power LLC... -
Page 27: Paralleled Systems Applications With A Feeder Tap Connection (3 Phase-Phase Service 120/208V)
Follow the Commissioning Sequence on page 19 and the Paralleling Setup at page 31 Make sure that all the inverters are programmed identically when it comes to functionality, charge & discharge times, power, voltage, current etc. Otherwise, the systems may malfunction. Use only CT1 as described in the image. Fortress Power LLC... -
Page 28: Paralleled Systems Applications With A Feeder Tap Connection (120/208V)
Make sure that all the inverters are programmed identically when it comes to functionality, charge & discharge times, power, voltage, current etc. Otherwise, the systems may malfunction. Use CT1&CT2 for the Primary inverter and only CT1 for the Secondary inverter as described in the image. Fortress Power LLC... -
Page 29: Envy Firmware Update
Envy Firmware Update Download the Envy Fortress Power App and access it. Select Download Firmware on the Home Screen of the App Select Download, and three files should download (less than 30s) Disable Cellular Data (to prevent your cellphone from connecting or searching for data as this... -
Page 30: Envy Programming Through Lcd Interface
When enabling, Inverter will sense voltage and current every 20ms to prevent any solar being Consumption) exported and at the same time allow solar production to supply power to the loads connected in the main panel and critical load panel. Disable Export to Grid when using this function Fortress Power LLC... -
Page 31: Charge Section
Set the Max. battery charge current from the Generator. The Generator will start charging Limit (A) according to the Charge start Volt/SOC and stop charging when the battery voltage or SOC reaches the Charge end Volt/SOC value. Fortress Power LLC... -
Page 32: Ac Couple
Settings for battery force discharge within a certain time period. The inverter will discharge battery to the loads and excess will sell back to the grid at set power rate until time or Stop SOC is reached. Scroll Down Fortress Power LLC... -
Page 33: Advanced Section
Scroll Down Grid Type Choose 120/240V or 120/208V Grid Frequency Choose 60 Hz (US, PR, MX) 50Hz Grid Regulation UL1741 & IEEE, CA RULE21, HAWAII HECO, PR-LUMA. Voltage and Frequency codes will generate automatically. Fortress Power LLC... -
Page 34: Battery Type
NO, BATTERY, LEAD-ACID, LITHIUM Battery Type Lithium Brand LITHIUM 18 (FORTRESS POWER Protocol). Confirm batteries are communicating in the Detailed System information Section. Lead Capacity (Ah) Set battery bank capacity for open loop settings or Lead Acid batteries. Leave default value if Closed Loop. - Page 35 3Phase 120/208V Paralleling (3 inverters) Utility Voltage Setup Primary Inverter Secondary Inverter Secondary Inverter 3Phase 120/208V Paralleling (2 inverters) Utility Voltage Setup Primary Inverter Secondary Inverter Fortress Power LLC...
- Page 36 To confirm Batteries have been installed correctly and are communicating with the inverter, please refer to the Battery side of this section and note the “Imaxdischg”. For each eFlex 5.4kWh installed the value should be 60A. For each eVault 18.5kWh installed, the value should be 250A. Fortress Power LLC...
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Page 37: Monitor System Setup
Dongle connected permanently as it also serves to provide a seal to the Dongle Port. Make sure to also install the Nylon Lock Nuts in the knockout holes that are not being used. Attach home WIFI to Dongle (Alternative Method) Password: admin Fortress Power LLC... -
Page 38: Register Account
Installers can contact Fortress Power Tech Support to be assigned a code. For DIY users feel free to use the Customer Code: Fortress. Once registered, you can log in using the created credentials. If you want to have more stations that need to be created, you can create them as stated in the image below. - Page 39 Envy Fortress Power 5. Login on the APP with your account, you'll find the inverter information already appears. Now you'll be able to monitor and control the inverter remotely on any smart phone or computer that has an Internet connection.
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Page 40: Troubleshooting & Maintenance
EPS Load output port. Eps short circuit Inverter detected short-circuit on EPS 2. Disconnect the EPS Load breaker to see if fault Load output terminals remains. If fault persists, contact Fortress Power service or your inverter supplier. Fortress Power LLC... - Page 41 PV voltage is too high still appears, contact Fortress Power service o your inverter supplier. Hardware level over current Restart inverter, if the error still exists, contact Fortress Power Hard over curr protection triggered service or your inverter supplier. Voltage between N and PE is Neutral fault Check if the neutral wire is connected correctly.
- Page 42 L If all is correct but this error persists, please contact with battery Fortress Power service or your inverter supplier. Restart inverter, if the error persists, contact Fortress Power service or Inverter fails to AFCI com failure communicate with AFCI your inverter supplier.
- Page 43 3. Check if there is ground fault on grid and load side; Inverter detected leakage current on Trip by gfci high 4. Restart inverter. If the fault remains, contact Fortress Power AC side service or your inverter supplier. Restart inverter. If the fault remains, contact...
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Page 44: Data Sheet
Continuous output power (VA) 12000@240V, 10400@208V Operating frequency (Hz) Peak power (VA) 2xPn, 0.5s THDV <3% Switching Time (ms) <20 Efficiency Max. Efficiency @ PV to grid 97.5% Max. Efficiency @ battery to grid CEC Efficiency 96.9% Fortress Power LLC... - Page 45 Battery data Type Lead-acid battery/Lithium battery Max. charge current(A) Max. discharge current(A) Nominal voltage(V) Voltage range(V) 48-56 Fortress Power Batteries Min-Max. voltage(V) 40-60 General Data Integrated disconnect DC switch Reverse polarity protection DC switch rating for each MPPT Output over-voltage protection...
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Page 46: Contact Information
Contact Information For Technical Support Please Contact us at Tech-Support Contact Information Useful Links • Phone: Tech Support (877) 497-6937 Tech Support (Spanish) (215) 710-8960 • Support Tickets: https://www.fortresspower.com/support/ • Warranty Submittal: https://www.fortresspower.com/warranty/ Version FP-12K-MV5 Fortress Power LLC...
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