Generac Power Systems PWRcell XVT076A03 Installation And Owner's Manual
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Generac Power Systems PWRcell XVT076A03 Installation And Owner's Manual

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Generac PWRcell
Loss of life. This product is not intended to
be used in a critical life support application.
Failure to adhere to this warning could result
in death or serious injury.
Register your Generac product at:
https://pwrfleet.generac.com
Register your Generac product at:
WWW.GENERAC.COM
http://www.generac.com/service-support/product-support-lookup
®
Inverters
XVT076A03
XVT114G03
X7602
X11402
WARNING
1-888-GENERAC
(888-436-3722)
1-888-GENERAC
(1-888-436-3722)
009954
(000209b)

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  • Page 1 Installation and Owner’s Manual ® Generac PWRcell Inverters XVT076A03 XVT114G03 X7602 X11402 009954 WARNING Loss of life. This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (000209b) Register your Generac product at: https://pwrfleet.generac.com...
  • Page 2 Use this page to record important information about your Generac Product Serial Number Location Record the information found on your unit data label on this page. See When contacting an Independent Authorized Service Dealer (IASD) or Generac Customer Service, always supply the complete model number and serial number of the unit.

  • Page 3: Table Of Contents

    Section 1: Safety Rules & General Grounding Bar Wiring ........17 Information DC Wiring ............18 Introduction ............1 STOP Terminal Wiring (XVT Models Only) ..18 Read This Manual Thoroughly ........1 For PV only installations without a PWRcell Battery: ............18 Safety Rules ............1 For Installations with a PWRcell Battery: ....
  • Page 4 Section 8: Maintenance Disabling the TOU Scheduler in Anticipation of a Grid Outage .............. 39 Service ..............55 Access Installer Configuration Tool Accessing Wiring Compartment ...... 55 (optional) ............39 Replacing Fuses ..........55 How to Access the Installer Configuration Tool ..39 Configuring Basic PWRcell Settings ......

  • Page 5: Section 1: Safety Rules & General Information

    Safety Rules & General Information Section 1: Safety Rules & General Information Introduction hazardous if performed incorrectly or carelessly. Observe them carefully. Alert definitions are as follows: ® Thank you for purchasing a Generac PWRcell product. The Generac PWRcell Inverter is a storage-ready DANGER inverter that connects to the PV Link™...

  • Page 6: General Hazards

    Safety Rules & General Information General Hazards CAUTION DANGER Equipment damage. Connect only to REbus-compatible Electrocution. Do not wear jewelry while devices to the DC bus. Never connect to any other DC working on this equipment. Doing so will power source. Connecting to other DC power sources result in death or serious injury.

  • Page 7: Electrical Hazards

    Safety Rules & General Information Electrical Hazards DANGER Electrocution. Water contact with a power source, if not avoided, will result in death or serious injury. (000104) DANGER Electrocution. PWRcell Battery front cover should be removed by a qualified technician only. Removing the front cover could result in death, serious injury, equipment or property damage.
  • Page 8 Safety Rules & General Information This page intentionally left blank. Installation and Owner’s Manual for Generac PWRCell Inverter...

  • Page 9: Section 2: General Information Specifications

    General Information Section 2: General Information Specifications Description Units XVT076A03 XVT114G03 X7602 X11402 Max. cont. grid-tied AC power @ 122°F (50ºC) 11.4 Max. cont. AC power in island mode without an external transfer 7.6* switch Max. cont. AC power in island mode w/ external transfer switch and single 6 module battery cabinet Max.

  • Page 10: Serial Number Location

    General Information Serial Number Location Component Locations Refer to Figure 2-2 to locate unit serial number (D). Record the information from this tag in Table 1: PWRcell Inverter Important Information on the inside front cover of this manual. Unit Dimensions 009654 Figure 2-2.

  • Page 11: Inverter Control Panel

    General Information Inverter Control Panel Internet Status LED Internet LED (G) is illuminated when the inverter has a connection to the Generac server. Internet LED (G) will slowly strobe when REbus Beacon is updating its firmware. LED Color Internet Status REbus Inverter Blue...
  • Page 12 General Information This page intentionally left blank. Installation and Owner’s Manual for Generac PWRcell Inverter...

  • Page 13: Section 3: Location And Compliance

    Location and Compliance Section 3: Location and Compliance Location Note on DC Wiring and the NEC When installing the PWRcell Inverter, consider the follow- Some electricians or installers may be unfamiliar with DC ing: wiring in a residential setting. Note the following: •...

  • Page 14: Photovoltaic Rapid Shutdown

    Location and Compliance Photovoltaic Rapid Shutdown The PV Link, SnapRS, and PWRcell Inverter are certified as Photovoltaic Rapid Shutdown Equipment (PVRSE). Review Table 3-2: PVRSS Requirements and PWRcell PVRSE to determine what PWRcell equipment is required to constitute an effective Photovoltaic Rapid Shutdown System (PVRSS). Refer to Generac PV Link & SnapRS Installa- tion manual for more information on proper installation of those devices including commissioning instructions.

  • Page 15: Pvrss Self-Test

    Location and Compliance The switch must indicate ON and OFF positions, where the OFF position opens the STOP terminal circuit. STOP circuit terminals are normally closed. Turn switch to the OFF position. Upon initiation, the inverter display will read “Shutdown Initiated”. Section 5: Electrical Connections STOP Terminal Wiring (XVT Models Only) for installation instructions.

  • Page 16: Voltage And Frequency Trip Thresholds

    Location and Compliance Voltage and Frequency Trip Thresholds This unit or system is provided with fixed trip limits and shall not be aggregated above 30 kW on a single point of com- mon coupling. All PWRcell Inverters are shipped from the factory in compliance with all UL 1741 requirements, including IEEE 1547. If permission to operate (PTO) is dependent on compliance to a specific utility standard, follow the steps covered in the section in this manual.

  • Page 17: Section 4: Installing Pwrcell Inverter

    Installing PWRcell Inverter Section 4: Installing PWRcell Inverter Mounting Clearances 4 in 19-1/4 in 8 in 20 in 8-1/2 in (10.16 cm) (48.9 cm) (20.32 cm) (50.8 cm) (21.6 cm) 8 in (20.32 cm ) 24-1/2 in (62.23 cm) 8 in 28-1/2 in (20.32 cm) (72.4 cm)

  • Page 18: Mounting The Inverter

    Installing PWRcell Inverter Mounting the Inverter NOTE: Figure 4-3 is for illustration purposes only. CAUTION Equipment damage. Mount inverter to a strong, stable surface. Never mount to drywall, plaster, or other non-structural wall treatments. Failure to mount inverter to a strong, stable surface could result in equipment or property damage.

  • Page 19: Section 5: Electrical Connections

    Electrical Connections Section 5: Electrical Connections Accessing Wiring Compartment 3. Remove five M4X10 screws (E) and wiring compartment cover. 4. Verify all PWRcell DC and AC terminals are below DANGER 10V, using a multi-meter. Electrocution. Initiate a system-wide shutdown and turn the PWRcell DC Disconnect Switch OFF on all connected batteries before performing service.
  • Page 20 Electrical Connections Knockout Dimensions and Locations • Install rain-tight locations hubs compliance with UL514B. NOTE: All knockouts are combination knockouts, except Table 5-4. Combination Knockout Size and Quantity for the 1/4 in trade knockout at the top of the left side which is intended only for mounting an optional LTE Combination Knockout Size Quantity...

  • Page 21: Wiring Guidelines

    Electrical Connections Wiring Guidelines Grounding Bar Wiring CAUTION DANGER Equipment damage. Never connect REbus conductors Electrocution. Verify all system voltages are safe before wiring. Disconnect all AC and DC sources of power before to ground. Connecting REbus conductors to ground touching terminals.

  • Page 22: Dc Wiring

    Electrical Connections DC Wiring Table 5-7. DC Wiring Terminal Specifications DANGER Terminal Wire Min Wire Size Torque Temp Range Temp Rating Electrocution. Never touch terminals when 18-6 AWG -40 to 266ºF 194ºF 12 in-lb inverter and PWRcell DC disconnects are ON. (.75-10 mm) (-40 to 130ºC) 90ºC...

  • Page 23: Ac Wiring

    Electrical Connections a lockable lever). Wire the switch in series or parallel to the inverter and battery. Battery Inverter Remote STOP STOP Shutdown Switch (3p) 013332 Figure 5-5. Remote Shutdown Switches Series Wiring Protcd. Battery Inverter Protcd. Remote STOP STOP 013403 Protcd.

  • Page 24: Protected Loads

    Electrical Connections Protected Loads inverter powers the protected loads only, using PV array and battery power. This transition takes place in a fraction of a second. CAUTION 1. To create a protected loads panel: Connect the Equipment damage. Never connect protected loads circuits that require backup to a subpanel.

  • Page 25: Whole Home Backup

    Electrical Connections Whole Home Backup 1. See Figure 5-10. Land service entrance conduc- tors at the 'N' terminals of the PWRcell ATS. When configured to operate with a PWRcell ATS installed 2. Land new feeder conductors from the 'T' terminals directly after the utility service meter, a PWRcell system of the PWRcell ATS to the Line side of the main can provide power to the entire main distribution panel...

  • Page 26: Ac Coupled Pv

    2. Land new feeder conductors from the 'T' terminals of the PWRcell ATS to the line side of the main The PWRcell XVT076A03 Inverter unlocks the ability to distribution panel. couple with an existing AC coupled PV array for reliable 3.

  • Page 27: Connecting Ethernet

    Electrical Connections Connecting Ethernet Configuring Static IP Settings IMPORTANT NOTE: Generac requires all PWRcell NOTE: For networks not configured for DHCP, use the system components to be connected to the Internet MAC address to locate the device on the network. and to maintain such connection throughout the war- To manually configure settings: ranty period.

  • Page 28: Verifying Connectivity

    Electrical Connections Verifying Connectivity NOTE: Use a laptop or other device to verify the Internet connection on the field installed Cat 5 cable. For a successful connection the following must be valid: • The Internet LED on the control panel must be lit. NOTE: Wait at least 5 minutes after the blue light illumi- nates to be certain the connection is stable.

  • Page 29: Current Transformers (Cts)

    Electrical Connections Current Transformers (CTs) Connecting Current Transformers • Figure 5-14. Install CTs around the main CAUTION service conductors between the service meter and point of interconnection with the inverter. Equipment damage. Only connect CTs provided by Generac. Never connect to any other CTs. Connecting •...

  • Page 30: Connecting Multiple Sets Of Cts

    Electrical Connections 2. See Connecting CTs to Multiple PWRcell Systems / Figure 5-16. Connect Cat 5 cable to a CT accessory port (H). Inverters • CT accessory ports are double-stacked RJ-45 When an installation has multiple PWRcell Inverter ports. systems, either: •...
  • Page 31 Electrical Connections – CT1 must be connected to Line 1. – All CTs must be orientated in the same relative direction. – CT2 must be connected to Line 2. – In certain scenarios, additional setpoint modifi- – CT3 must be connected to line 3 (for three phase cations may need to be made.

  • Page 32: Other Accessories

    Electrical Connections Other Accessories PWRcell ATS Load Management Options A Generac PWRcell ATS can be integrated into the Load management systems are designed to work PWRcell installation to facilitate alternate backup power together to prevent the PWRcell system from being configurations.

  • Page 33: Section 6: Commissioning

    Commissioning Section 6: Commissioning Commissioning the System 1. See 6-1. Locate the serial number and reg- Figure istration code on the registration decal on the front IMPORTANT: If multiple PWRcell Inverters are installed, of the inverter. This information will be required for refer to Systems.

  • Page 34: Connect Pwrcell Inverter To Ac Power

    Commissioning Connect PWRcell Inverter to AC Power System Mode Menu IMPORTANT: If multiple PWRcell Inverters are installed, Safety Shutdown refer to Commissioning Multiple Inverter Systems place of this commissioning step. Do not turn on AC Grid Tie * power to more than one inverter at a time. Self Supply Turn ON main AC backfeed to power-up the inverter.

  • Page 35: Configure Inverter Settings

    Commissioning Configure Inverter Settings 4. Scroll through the settings using the up / down arrow keys. Adjusting Inverter Settings 5. Use the center button to select a setting. 1. See Table 6-1. Navigate to the inverter device 6. Use the up / down arrow keys to change the value page using the right arrow key (next page right of of a setting.

  • Page 36: Configuring With Pwrcell Batteries

    Commissioning Configuring with PWRcell Batteries This feature is suitable as a simple and easy option for systems pending permission to operate (PTO) where the Systems with the PWRcell Battery must have the “EnaIs- utility does not specify a requirement for the system to be landing”...

  • Page 37: Enable Rebus Devices

    Commissioning 8. Deselect the setting using the center button. 9. Use the down arrow key to navigate to the setting 'ACPVPower.' PWRcell 2P Inv. Menu 10. Select this setting using the center button. Enable 11. Use the up / down arrow keys to change the value Mod.

  • Page 38: Test Island Mode

    Commissioning Test Island Mode 2. See Figure 6-12. Use the up and down arrows to highlight Mod. Settings and press the center button To test Island Mode, AC power to the inverter must be to enter the settings menu. disconnected. If configured to provide backup power to a protected loads subpanel, this may be accomplished by turning OFF the solar backfeed breaker or solar AC dis- REbus Beacon...

  • Page 39: Enabling Beacon Tou

    Commissioning Table 6-3. Time Zone Codes Time Zone Units REbus Beacon TOU Scheduler US / Eastern Priority Backup US / Central US / Mountain Next Change: 1h:37m US / Pacific Self Supply US / Alaska Schedule: SDGE US / Hawaii 010114 US / Arizona Figure 6-16.

  • Page 40: Disabling Beacon Tou

    Commissioning REbus Beacon Rebus Beacon Menu TOU Scheduler Enable Disable disabled Mod. Settings To enable scheduler, Calibrate CTs Cancel Confirm press center button RCPn: 00010003XXXX and select “Enable”. < EXIT SCROLL > NEXT • SELECT 010118 010117 Figure 6-19. Enabling Beacon (1 of 2) Figure 6-22.

  • Page 41: Disabling The Tou Scheduler In Anticipation Of A Grid Outage

    Commissioning NOTE: All PWRcell Inverters come with a REbus Bea- con pre-installed. REbus Beacon How to Access the Installer Configuration Tool TOU Scheduler 1. Navigate to the Beacon device page on the PWR- running, overridden cell Inverter control screen and press the center button.

  • Page 42: Configuring Basic Pwrcell Settings

    Commissioning • Configuring Basic PWRcell Settings Zero Import. CRD200 Export Only compliance to remove the ability of the battery to charge from the NOTE: To customize basic settings, the inverter must be grid. See Zero Import. disabled. Before disabling the inverter, ensure all REbus devices have first been disabled.

  • Page 43: Proof Of Compliance

    Commissioning ance standard from the menu at the bottom of the page. Click Submit to apply the compliance stan- dard. The settings entered will not take effect until the Submit button has been clicked. 010984 Figure 6-29. Proof of Compliance Set Import / Export Compliance 010983 (optional)
  • Page 44 Commissioning 5. From the Inverter menu select “PWRcell Configu- 3. Access the Installer Configuration Tool through the ration.” REbus Beacon. See Access Installer Configura- tion Tool (optional). 6. See Figure 6-30. Uncheck Priority Backup from the “Enabled SysModes” list. 4. Once logged onto the Installer Configuration Tool, select “Inverter.”...

  • Page 45: Commissioning Multiple Inverter Systems

    Commissioning Commissioning Multiple Inverter inverters are energized at any point during this process, the inverters will cross-talk. To resolve crosstalk, see Systems Procedure. After resolving PLM Crosstalk Recovery NOTE: Do not energize two or more inverters before crosstalk, the commissioning process will need to be commissioning.

  • Page 46: Plm Crosstalk Recovery Procedure

    Commissioning PLM Crosstalk Recovery Procedure For each PWRcell Inverter that has crosstalked, perform the following procedure to clear the foreign devices from the display after the multi-inverter system has been prop- erly commissioned: 1. Power down all but one inverter. 2.

  • Page 47: Section 7: System Operation

    System Operation Section 7: System Operation General Information Home Screen The PWRcell system is a flexible, highly customizable Figure 7-2. The power flow display on the home system that can be configured in a number of ways to screen illustrates the flow of power in the system. As meet customer needs.

  • Page 48: Activating The System Post Permission To Operate (Pto)

    System Operation Activating the System Post Permission to Operate (PTO) After a PWRcell system has been installed, it will need to ExtTransVolt be inspected and granted permission to operate (PTO). A ExportOverride PWRcell system may be left in one of two states while it awaits PTO: CalOverride 1.
  • Page 49 System Operation PWRcell 2P Inv Menu System Mode Menu Enable Enable Self Supply Mod. Settings GRd. Settings Calibrate CTs SElibrate CTs Cancel Confirm Cancel Confirm RCPn: 00010003XXXX CLEPn: 00010003XXXX < EXIT SCROLL > NEXT • SELECT < EXIT SCROLL > NEXT • SELECT 010012 011139 Figure 7-9.

  • Page 50: Confirm Inverter Settings

    System Operation NOTE: It is only necessary to enable the REbus Beacon if setting the system to operate on a Time of Use (TOU) PV Link S2502 Menu schedule. See Section 6: Commissioning Configure Time of Use (optional) for more information. Enable Enable Confirm Inverter Settings...

  • Page 51: Pv + Battery W / A Pwrcell Ats And Smms For Whole Home Backup

    System Operation PWRcell 2P Inv. Menu EnaIslanding Disable NumTranSwtchs Mod. Settings ExtTransVolt Calibrate CTs ExportOverride RCPn: 000100073212 Save Cancel < EXIT SCROLL > NEXT • SELECT 013435 013436 Figure 7-20. PV + Storage - Whole Home (2 of 3) Figure 7-17. PV + Storage - Partial Home (1 of 2) 1,500 CTTurnsRatio TargMinImprtP...
  • Page 52 System Operation EnaIslanding NumTranSwtchs ExtTransVolt ExportOverride Cancel Save 013431 Figure 7-23. AC Coupled PV + Battery (1 of 3) CTTurnsRatio 1,500 EnaLoadShed GridParInvrtrs ACPVPower Save Cancel 013430 Figure 7-24. AC Coupled PV + Battery (2 of 3) GridParInvrtrs ACPVPower CalOverride 1,500 CTTurnsRatio Save...

  • Page 53: System Modes Overview

    System Operation System Modes Overview mode. Some modes interact with PWRcell Batteries to store power and/or balance production and consumption. Generac PWRcell offers several system modes for vari- for an overview of available Table 7-1 Table 7-2 ous installation configurations, markets, and applications. system modes.

  • Page 54: Clean Backup

    System Operation 009956 009963 Figure 7-29. Clean Backup (1 of 2) Figure 7-27. Self Supply (2 of 3) Figure 7-28. When local demand exceeds available solar power, the battery will discharge to offset the demand. If the building requires more power than the bat- tery and solar can provide, the excess demand is drawn from the grid.

  • Page 55: Remote Arbitrage

    System Operation the REbus nanogrid. In a typical solar-plus-storage con- figuration, this means all REbus-connected batteries will work together with the PV links to supply power to REbus. The inverter will pull power from REbus to pro- vide AC power to protected loads. In Island Mode, the inverter will display “Islanding”...
  • Page 56 System Operation This page intentionally left blank. Installation and Owner’s Manual for Generac PWRCell Inverter...

  • Page 57: Section 8: Maintenance

    Maintenance Section 8: Maintenance Service DANGER Electrocution. Verify all system voltages are safe before wiring. Disconnect all AC and DC sources of power before touching terminals. Failure to ensure no dangerous voltages are present on conductors and terminals before wiring will result in death or serious injury. (000642) DANGER Electrocution.

  • Page 58: Annual Maintenance

    Maintenance Annual Maintenance To replace a fuse: 1. Initiate an inverter shutdown. See Shutdown On an annual basis: for more information. Mode • Clean the exterior of the enclosure with a soft cloth. 2. See Figure 8-1. Open all PWRcell DC Disconnects •...

  • Page 59: Section 9: Troubleshooting

    Troubleshooting Section 9: Troubleshooting General Troubleshooting Some of the more common problems are listed in the table below. This information is intended to be a check or verification that simple causes can be located and fixed. It does not cover all types of problems. Procedures that require in-depth knowledge or skills should be referred to an Independent Authorized Service Dealer.

  • Page 60: Overload Behavior

    Troubleshooting Overload Behavior Table 9-2. Overload Behavior Island Overload Event Cause Behavior Solution Overload on Voltage Motor load has demanded – If inverter output voltage – Turn OFF motor loads additional current for starting drops below 114 V, inverter causing voltage to drop will attempt to shed any –...
  • Page 61 Troubleshooting This page intentionally left blank. Installation and Owner’s Manual for Generac PWRCell Inverter...
  • Page 62 Troubleshooting This page intentionally left blank. Installation and Owner’s Manual for Generac PWRCell Inverter...
  • Page 64 ©2021 Generac Power Systems, Inc. S45 W29290 Hwy. 59 All rights reserved. Waukesha, WI 53189 Specifications are subject to change without notice. 1-888-GENERAC (1-888-436-3722) No reproduction allowed in any form without prior written www.generac.com consent from Generac Power Systems, Inc.

This manual is also suitable for:

Pwrcell xvt114g03Pwrcell x7602Pwrcell x11402

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