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Summary of Contents for Fortress Power FP-ENVY-8K
- Page 1 INSTALLATION/USER MANUAL COMPLETE YOUR SOLUTION WITH FORTRESS POWER BATTERIES *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
AC Connection ..................................................17 Generator Connection ................................................18 AC Coupling Instal lati on Connection ......................................18 Paralleling Multiple Inverters ............................................18 RS485 ............................................19 HIRD PARTY COMMUNICATION COMMISSIONING AND POWERING DOWN SEQUENCE ................... 19 ..................................................19 TART UP THE INVERTER Fortress Power LLC... - Page 3 Attach home WIFI to Dongle (Alternative method) ................................... 30 Register Account ..................................................31 TROUBLESHOOTING & MAINTENANCE........................33 ................................................... 33 EGULAR AINTENANCE LED D ....................................................33 ISPLAYS LCD D ..........................................33 ROUBLESHOOTING ASED ISPLAYS ............................................37 AN MAINTENANCE AND EPLACEMENT DATA SHEET................................38 CONTACT INFORMATION ............................40 Fortress Power LLC...
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Page 4: Safety
Make sure the inverter is well grounded. An operator should make sure he is well protected by reasonable and professional insulation measurements (e.g., personal protective equipment (PPE). • Inspect relevant existing wiring on-site of the installation is in good condition before installation, operation, or maintenance. 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
Generator Load 48V Batteries Load PV Array PV Array 48V Batteries Load Load PV Array 48V Batteries Load Smart 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
Inverter To Inverter Communication Cable Current Transformer (CT) 2 (connected by one cable) Dongle Dongle Screws Mounting Screw for Wooden Platform Wall Mount Bracket RJ45 Terminals L-shaped Brace Nylon Lock Nut Expansion Screw Installation/ User Manual Knockout Wiring Template Fortress Power LLC... -
Page 8: Overview And Requirements
2/0-4/0 1/4-5/16 in (6-8mm) Ring terminal RNB100-10 Generator Cable Integrated Breaker 63Adc Up to 4 5/16-3/8inch(8~10mm) Compression/Screw type 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 Case 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
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. Facing the same direction with the same amount of modules per string 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: Battery Connection
Fix the cable gland in place. For best practice, install a Copper Busbar when paralleling two lithium batteries. Please Refer to the eFlex and evault Max manual for more details on installation and battery paralleling. Bus Bar (Included) Fortress Power LLC... - Page 16 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 17: Ac Connection
Description Reserved 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. Fortress Power LLC... -
Page 18: Generator Connection
All UL1741SA compliant grid-interactive inverter has the Frequency-Watt feature, which requires the grid-interactive inverter to reduce power with the increasing of grid frequency. 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 19: Third Party Rs485 Communication
Turn OFF the Grid breaker that feeds inverter. Switch OFF the Load breaker inside the inverter. Turn OFF PV Switch on the side of the inverter. Switch OFF the Battery breaker inside the inverter. wait for the LCD to turn off. Fortress Power LLC... -
Page 20: Wiring Diagrams
Main Panel Breaker Configuration (200A) eFlex 5.4kWH ---OR--- ---OR--- Backup Panel eVault Max 18.5kWH Only Bond Neutral once at the main panel Always adhere to your local jurisdiction guidelines and make sure that an Electrician makes all electrical connections. Fortress Power LLC... -
Page 21: Ac Coupling Applications With A Backfeeder Connection (Split-Phase Service 120/240V)
Backup Panel ---OR--- ---OR--- Existing Solar Inverter or Microinverter eVault Max 18.5kWH Only Bond Neutral once at the main panel Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. Fortress Power LLC... -
Page 22: Off Grid Applications Connection (Split-Phase Service 120/240V)
WARNING: Make sure to turn off the Generator Breaker on the Envy before turning on the Generator and the PV system is bypassed. Fault or Damage will occur if power enters to the load side of the Envy. Only Bond Neutral once at the main panel Always adhere to your local jurisdiction guidelines and make sure that an Electrician make all electrical connections. Fortress Power LLC... -
Page 23: 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. Fortress Power LLC... -
Page 24: Envy Programming Through Lcd Interface
Clicking on the gear icon at the bottom of the screen, you'll get into the parameter setting page of the inverter. Basic Section Figure# Name Function Restart Inverter Restart the system, please note the power maybe interrupted when restarted. Fortress Power LLC... -
Page 25: Charge Section
Use) When using Lead-acid battery or Open Loop Settings, you need to set parameters in these programs, Follow Lead Acid/Open the battery manufacture recommendations. Loop Settings Scroll Down Fortress Power LLC... -
Page 26: Generator
Start SOC (%): The SOC at which the AC coupled inverters are turned on when in off-grid mode. 50%~70% recommended Discharge Section Figure# Name Function Operating Mode You can choose “Use SOC %” or Use Bat V” to control the battery discharge state Fortress Power LLC... -
Page 27: Advanced Section
Enable when user has AC coupling. AC coupled systems must always be connected in the Generator Port. AC Couple When enabled, solar will supple energy first to Loads>Export to Grid and charge battery with the remaining Charge Last power. Fortress Power LLC... -
Page 28: Eps Output Without Battery
NO, BATTERY, LEAD-ACID, LITHIUM Battery Type Lithium Brand LITHIUM 0 (FORTRESS POWER Protocol). Confirm batteries are communicating in the Detailed System information Section. Lead Capacity Set battery bank capacity for open loop settings or Lead Acid batteries. Leave default value if Closed Loop. - Page 29 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 eVault 18.5kWh installed the value should be 60A. For each installed, the value should be 250A. Fortress Power LLC...
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Page 30: Monitor System Setup
Router is farther than this distance, it is recommended to install a WIFI extender. Make sure to keep the 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 31: Register Account
Create and register the end-user’s information and credentials. The "customer code" is a code we assign to your distributor or installer that will allow them to view each station and end-user created using this registration method. Installers can contact Fortress Power Tech Support to be assigned a code. - Page 32 Envy Fortress Power 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. 6. When selecting the Data Section, User will be able to monitor daily Energy production, Consumption, and Distribution.
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Page 33: 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 34 PV volt high PV voltage is too high appears, contact Fortress Power service o your inverter supplier. Hardware level over current protection Restart inverter, if the error still exists, contact Fortress Power service Hard over curr triggered or your inverter supplier.
- Page 35 Inconsistent generators connect in Para Gen un-Accord together or none of them are connected to generators parallel Restart inverters, if the error still exists, contact Fortress Power service Para sync loss Parallel inverter fault or your inverter supplier 2. Alarm on the LCD If the dot on the left of the alarm item is yellow, it means the alarm is active.
- Page 36 2.Check if there is ground fault on grid and load side; Inverter detected leakage current on Trip by gfci high 3. 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 37: Fan Maintenance And Replacement
Loosen the screws and remove them. Remove the fan fixing. Loosen the waterproof connector. Remove the fan and replace it g. After the fan is installed, follow the steps just now to push back and assemble it back. Fortress Power LLC... -
Page 38: Data Sheet
Operating frequency (Hz) Peak power (VA) 2xPn, 0.5s 2xPn, 0.5s THDV <3% <3% Switching Time (ms) <20 <20 Efficiency Max. Efficiency @ PV to grid 97.5% 97.5% Max. Efficiency @ battery to grid CEC Efficiency 96.9% 96.9% Fortress Power LLC... - Page 39 Type Lead-acid battery/Lithium Lead-acid battery/Lithium battery/No Battery battery/No Battery Max. charge current(A) Max. discharge current(A) Nominal voltage(V) Voltage range(V) 48-56 Fortress Power Batteries 48-56 Fortress Power Batteries Min-Max. voltage(V) 40-60 40-60 General Data Integrated disconnect DC switch DC switch Reverse polarity protection...
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Page 40: 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-8K-MV.2 Fortress Power LLC...
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