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Installation and Owner’s Manual

Generac PWRcell

Inverters

XVT076A03

XVT114G03

X7602

X11402

009954

(000209b)

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.

Summary of Contents for PWRcell X11402

Page 1: ...http www generac com service support product support lookup Pour le français visiter http www generac com service support product support lookup Installation and Owner s Manual Generac PWRcell Inverters XVT076A03 XVT114G03 X7602 X11402 009954 000209b 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...

Page 2: ...el on this page See Serial Number Location When contacting an Independent Authorized Service Dealer IASD or Generac Customer Service always supply the complete model number and serial number of the unit Table 1 PWRcell Inverter Important Information Unit Model Number Unit Serial Number Date Purchased Commissioning Date 000393a WARNING CANCER AND REPRODUCTIVE HARM www P65Warnings ca gov ...

Page 3: ... Wiring 18 STOP Terminal Wiring XVT Models Only 18 For PV only installations without a PWRcell Battery 18 For Installations with a PWRcell Battery 18 AC Wiring 19 Protected Loads 20 Whole Home Backup 22 AC Coupled PV 23 Connecting Ethernet 23 Configuring Static IP Settings 24 Verifying Connectivity 25 Current Transformers CTs 26 Connecting Current Transformers 26 Connecting CTs to the Inverter 26 ...

Page 4: ...rocedure 44 Section 7 System Operation General Information 45 Operation and User Interface 45 Home Screen 45 Home Screen Icons 45 Activating the System Post Permission to Operate PTO 46 Activating Post PTO System Operating 46 Activating Post PTO System Disabled 46 Confirm Inverter Settings 48 PV Only System 48 PV Battery w a Protected Loads Panel for Partial Home Backup 48 PV Battery w a PWRcell A...

Page 5: ...nd decals affixed to the unit are not all inclusive If using a procedure work method or operating technique that the manufacturer does not specifically recommend verify that it is safe for others and does not render the equipment unsafe Throughout this publication and on tags and decals affixed to the unit DANGER WARNING CAUTION and NOTE blocks are used to alert personnel to special instructions a...

Page 6: ... the manufacturer s installation instructions Follow all instructions included in this manual and use appropriate practices for all product wiring and installation 000188 DANGER Electrocution Do not wear jewelry while working on this equipment Doing so will result in death or serious injury 000191 DANGER Automatic start up Disconnect utility power and render unit inoperable before working on unit ...

Page 7: ...operty damage DANGER 000145 DANGER Electrocution In the event of electrical accident immediately shut power OFF Use non conductive implements to free victim from live conductor Apply first aid and get medical help Failure to do so will result in death or serious injury 000599 Electrocution Turn battery disconnect OFF and de energize REbus before touching terminals Failure to do so will result in d...

Page 8: ...Safety Rules General Information 4 Installation and Owner s Manual for Generac PWRCell Inverter This page intentionally left blank ...

Page 9: ...00 of rated power 0 96 0 98 0 99 Operating voltage range AC XVT076A03 X7602 L N V rms 106 120 132 Operating voltage range AC XVT076A03 X7602 L L V rms 212 240 264 Operating voltage range AC XVT114G03 X11402 L N V rms 106 120 132 Operating output voltage range AC XVT114G03 X11402 L L V rms 184 208 228 Continuous output current AC grid tied A rms 32 Output controlled current grid tied A rms 0 32 Con...

Page 10: ...ty is referred to as islanding For more information see Island Mode in Section 6 Commissioning PWRcell Inverters use the REbus 380 VDC nanogrid to connect DC coupled PWRcell devices The REbus nanogrid automates the flow of power to enable plug and play setup and operation of PWRcell equipment For more information about REbus visit www generac com In Figure 2 3 PWRcell Inverter E is directly connec...

Page 11: ...ransmission relies upon proper configuration of PLM channels across REbus devices PV Links and Batteries Shutdown LED F will illuminate Inverter screen A will display REbus DC bus volt age and text indicting Shutdown mode has been initiated A LCD Display E Shutdown Button B Navigation Keys F Shutdown LED C REbus Status LED G Internet LED D Inverter LED H Select LED Color REbus Status Green All dev...

Page 12: ...8 Installation and Owner s Manual for Generac PWRcell Inverter General Information This page intentionally left blank ...

Page 13: ...tallers may be unfamiliar with DC wiring in a residential setting Note the following NEC 690 31 for DC PV circuits in buildings NEC 215 12 C 2 for correct DC wiring identifica tion Always adhere to applicable codes when marking and installing DC conductors See Table 3 1 REbus DC Wir ing Coloring Convention Mark or flag all conductors for their polarity as appropriate It is recommended that REbus c...

Page 14: ...tuations only Method 2 external switch or Method 3 installer sourced DC disconnect will be appropriate for installations where the Inverter is located inside of a one family or two family dwelling where the external device is located outside of the dwelling near the utility service entrance Appropriate signage and or markings in compliance with NEC 690 must be provided by the installer Method 1 PV...

Page 15: ... position opens the PV circuit 2 Turn DC disconnects to the OFF position NOTE This equipment shall be installed and operated in an environment within the ratings and limitations of the equip ment as published in these installation instructions PVRSS Self Test After commissioning a PVRSS self test can be performed to validate the functionality of the PVRSS using one of the methods described above A...

Page 16: ...the trip threshold has been exceeded for the listed number of cycles The inverter is disconnected from the grid during this 300 second delay Frequency Trip Thresholds See Table 3 3 for the default fixed frequency trip setpoints All over frequency and under frequency trip conditions result in a 300 second restart delay time after the trip threshold has been exceeded for the listed number of cycles ...

Page 17: ... 4 1 PWRcell Inverter Dimensions and Mounting Clearances Mounting Bracket Dimensions Figure 4 2 Mounting Bracket Dimensions 4 in 10 16 cm 28 in 71 15 cm 8 in 20 32 cm 28 1 2 in 72 4 cm 36 in 91 44 cm 8 in 20 32 cm 19 1 4 in 48 9 cm 8 1 2 in 21 6 cm 20 in 50 8 cm 8 in 20 32 cm 24 1 2 in 62 23 cm 010508 16 in 40 64 cm 1 1 2 in 3 81 cm 2 3 8 in 6 03 cm 009990 ...

Page 18: ...steners must be suitable for the mounting surface Fasteners must engage at least two studs or other structural members Mounting bracket has clearance holes for 1 4 in fasteners with slots to accommodate different stud spacings 3 See Figure 4 3 Insert mounting bracket tabs A into inverter body slot B NOTE Figure 4 3 is for illustration purposes only Figure 4 3 Mounting Inverter onto Bracket 4 See F...

Page 19: ...ted batteries before performing service Failure to do so will result in death serious injury or equipment and property damage 000642 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 in...

Page 20: ...maller conduit sizes Install rain tight or wet locations hubs in compliance with UL514B Figure 5 3 Knockout Locations Table 5 4 Combination Knockout Size and Quantity Combination Knockout Size Quantity 3 4 in X 1 in 6 1 2 in X 3 4 in 7 0 575 in use only for LTE Modem Antenna 1 42 mm 1 21 32 in 50 mm 1 31 32 in 137 mm 5 13 32 in 97 mm 3 13 16 in 140 mm 5 17 32 in 2 13 16 in 72 mm 56 mm 2 7 32 in 40...

Page 21: ...er and its connected PV and battery sources are not separately derived systems DC system grounding is critical for REbus communications Ensure the following REbus devices have a low resistance wired connection back to the inverter grounding terminal bar PV Link PWRcell Batteries Torque all terminals as specified in Table 5 6 Table 5 5 Terminal Torques Wiring Terminal Torque AC terminals 13 3 to 15...

Page 22: ...ht switch in a weather proof box with a lockable lever Figure 5 4 PV Only Remote Shutdown Switch Wiring For Installations with a PWRcell Battery 1 Verify the PWRcell system is powered down 2 Remove the jumper from the inverter STOP terminals 3 Remove the jumper for the battery STOP terminals 4 See Figure 5 5 and Figure 5 6 Use 30 14 AWG two conductor cable with insulation rated for 600 V to connec...

Page 23: ...ordance with NEC Article 310 and all other applicable NEC Articles NOTE Class 2 low voltage cable shall be installed independent of other power conductors See NEC 725 136 for additional information See Figure 5 7 The PWRcell Inverter is equipped with four AC grid connection terminals and three protected loads terminals Use the top four terminals A for connection to the utility grid NOTE Use L3 ter...

Page 24: ...starting capabilities NOTE Actual power output for protected loads during a grid outage will depend on system sizing for batteries and solar array NOTE Backup power ratings are separate from the power ratings for PWRcell Inverters while grid connected 7 6 kW and 11 4 kW respectively NOTE Class 2 low voltage cable shall be installed independent of other power conductors See NEC 725 136 for addition...

Page 25: ...s of the PWRcell ATS 2 Land new feeder conductors from the T terminals of the PWRcell ATS to the Line side of the main distribution panel 3 Land the PWRcell Inverter protected loads wiring to the E terminals of the ATS 4 Interconnect the PWRcell Inverter using a 40 A backfeed breaker in the main panel or a supply side tap in the ATS with 40 A over current protection OCPD in between 5 Run Cat 5 or ...

Page 26: ... in the main panel or a supply side tap in the ATS with 40 A over current protection OCPD in between 5 Ensure AC coupled PV is interconnected using a backfeed breaker or a load side tap in the main distribution panel 6 Run Cat 5 or Cat 6 from the PWRcell ATS Controller to the PWRcell Inverter for ATS controls 7 Install CTs and run Cat 5 or Cat 6 from the PWRcell ATS Controller to one of the invert...

Page 27: ...t is the installer s responsibility to verify the Internet connection is reliable and secure Generac recommends using a hardwired connection to provide Internet connectivity Generac does not support using any wireless or power line carrier network devices Use these devices at your own discretion NOTE Ethernet cable run must be dedicated for the inverter This cable may not be daisy chained to anoth...

Page 28: ...ble must have a hot signal Check male RJ45 ends for proper installation and confirm correct Ethernet ports at the inverter and router The REbus Beacon must have a device page on the inverter control panel See Figure 5 13 The REbus Beacon must have a valid IP Address Log on to the Beacon Installer Configuration Tool to verify See Access Installer Configuration Tool optional Figure 5 13 Verify IP Ad...

Page 29: ...ads to RJ 45 Breakout Adapters with push terminals M or screw terminals N according to the label on the breakout adapter NOTE Use yellow lead for CTx and use green lead for CTx Figure 5 15 RJ 45 Breakout Adapter NOTE RJ 45 Breakout Adapter is included in the Generac PWRcell Kit NOTE The connection between the RJ 45 Breakout Adapter and the inverter is made using an installer supplied Cat 5 cable 0...

Page 30: ...ters the total measured value is shared evenly between the inverters NOTE Daisy chaining CTs between two inverters for distributed load share is most applicable when each inverter has a battery attached Otherwise this configuration may not be necessary or desirable To daisy chain a CT signal 1 Connect and calibrate a set of CTs to the first inverter 2 Run a new Cat 5 cable between the spare CT acc...

Page 31: ...r should be using a single set of CTs If set to 2 two inverters can share one set of CTs 1 N A Table 5 12 Automatic Detection Troubleshooting Table Event Name Event Code Description ct cal 1 0x8061 Line 1 doesn t have a valid CT calibration ct cal 2 0x8062 Line 2 doesn t have a valid CT calibration ct cal 3 0x8063 Line 1 2 don t have a valid CT calibration ct cal 4 0x8064 Line 3 doesn t have a val...

Page 32: ...e 5 17 Accessory Ports Load Management Options Load management systems are designed to work together to prevent the PWRcell system from being overloaded by large appliance loads when islanded Load management options for PWRcell include the PWRcell ATS Controller and Smart Management Module SMM When utilizing these load management solutions be sure to select the appropriate value for the EnaLoadShe...

Page 33: ... more information Register System NOTE If the system will not be connected to the Inter net installer will not be able to take advantage of PWR fleet the customer will not have access to the PWRview app and the warranty will be limited to five years Con tact Generac at 1 888 ACTIVATE to complete the regis tration NOTE Registering an inverter automatically registers all REbus system components conn...

Page 34: ...forma tion NOTE For systems with a PWRcell Battery select a backup system mode Do not select Grid Tie mode To select a system mode 1 See Figure 6 2 While viewing the home screen press the center button 2 See Figure 6 3 A list of system modes will be dis played with the current mode marked with an aster isk NOTE The list of system modes may not include all those shown in Figure 6 3 Figure 6 3 Selec...

Page 35: ...number of external automatic transfer switches installed and enables transfer switch controls For AC Coupled PV this must be 1 ExtTransVolt 80 140 Volts 95 Minimum voltage from the utility that must be present for the inverter to reconnect back to the grid If an ATS is installed this will be the voltage required for the inverter to control the ATS back to the normal utility posi tion ExportOverrid...

Page 36: ...ANT NOTE This feature requires the inverter firmware version to be 13760 or greater Refer to Verify ing Inverter Firmware Version for instructions This fea ture requires the PWRcell Battery firmware version to be 12980 or greater More information on requesting a firm ware update can be found online at https www gen erac com resources and tools ce installer resources installation resources NOTE For...

Page 37: ...nabling Inverter 1 of 4 3 Press the center button 4 See Figure 6 8 Highlight Enable and press the center button Figure 6 8 Enabling Inverter 2 of 4 5 See Figure 6 9 Arrow right and press center button to Confirm Figure 6 9 Enabling Inverter 3 of 4 6 See Figure 6 10 The inverter is enabled It will create voltage at the DC terminals and begin com municating with connected REbus devices NOTE Upon ena...

Page 38: ...ot enable the REbus Beacon Configuring and Running a TOU Schedule 1 See Figure 6 11 Navigate to the Beacon device page and press the center button to enter the device menu Figure 6 11 Configuring TOU Schedule 1 of 4 2 See Figure 6 12 Use the up and down arrows to highlight Mod Settings and press the center button to enter the settings menu Figure 6 12 Configuring TOU Schedule 2 of 4 3 See Figure 6...

Page 39: ...lternate between Scheduler Active and the current system mode Figure 6 17 Scheduler Active Figure 6 18 Current System Mode Enabling Beacon TOU Once the TOU Schedule is set the scheduler will auto matically enable itself and begin running However if the scheduler becomes disabled for any reason follow the instructions below to re enable the scheduler 1 See Figure 6 19 Navigate to the Beacon device ...

Page 40: ...g the TOU Scheduler The scheduler can be temporarily overridden at any time without disabling it A manual override will apply until the next regularly scheduled system mode change To temporarily override the scheduler 1 Navigate to the system home page 2 Press the center button 3 Select the desired temporary system mode When the scheduler has been overridden Temporary Override will display on the ...

Page 41: ... for use It is not possible to access this tool remotely 45 minutes after being acti vated the Beacon s WIFI signal will time out and may need to be reactivated NOTE All PWRcell Inverters come with a REbus Bea con pre installed How to Access the Installer Configuration Tool 1 Navigate to the Beacon device page on the PWR cell Inverter control screen and press the center button 2 Select Installer T...

Page 42: ... grid See Zero Import Verifying Inverter Firmware Version Some features such as those found in Set Import Export Compliance optional require inverter firmware that may not come default to the unit installed The firm ware version of an inverter can be verified using the Installer Configuration Tool To verify the inverter firm ware version in the Installer Configuration Tool select the Common submen...

Page 43: ...ll Inverters ship without restrictions on import and export Utility interconnection requirements may require the system to restrict or limit its ability to import or export power from or to the Utility grid There are two PCS CRD200 compliant settings for PWR cell equipment Zero Import and Export Limit NOTE These settings are only available for inverter firmware version 13290 or greater See Verifyi...

Page 44: ... this set ting to come from the utility To unset Export Limiting please contact Generac PWRcell Technical Support NOTE Export Limit setting can only be decreased from its current value To reset the value of this setting please contact PWRcell Technical Support How to set 1 Navigate to the inverter device page 2 Disable inverter if enabled 3 Access the Installer Configuration Tool through the REbus...

Page 45: ...nk and the inverter backfeed breaker will be OPEN Multiple Inverter System Commissioning Procedure NOTE Throughout this process it is important that only one inverter is energized at any time If two or more inverters are energized at any point during this process the inverters will cross talk To resolve crosstalk see PLM Crosstalk Recovery Procedure After resolving crosstalk the commissioning proc...

Page 46: ... been prop erly commissioned 1 Power down all but one inverter 2 Access the Installer Configuration Tool 3 Navigate to the Inverter and select PWRcell Con figuration 4 Select Clear Display to wipe the screen of that inverter of unwanted devices from other systems on site 5 Follow steps 1 8 for Multiple Inverter System Commissioning See Multiple Inverter System Commissioning Procedure for more info...

Page 47: ... navigate between pages Press center button B on a device page to select or deselect device settings Figure 7 1 Inverter Control Panel Home Screen See Figure 7 2 The power flow display on the home screen illustrates the flow of power in the system As power is generated stored and consumed animated arrows indicate the flow and direction of power System AC and DC voltage levels are displayed near th...

Page 48: ...de and select using the center but ton 6 Use the up down arrow keys to change the value of Export Override from on to off 7 Use the center button to deselect Export Override 8 Scroll to the bottom of the Mod Settings menu and select Save to save the changes Figure 7 3 Device Main Menu Figure 7 4 Mod Settings Menu Activating Post PTO System Disabled 1 Ensure the inverter is powered ON with the scre...

Page 49: ...e each PV Link and PWRcell Battery repeating the process just per formed for the inverter See Figure 7 10 Figure 7 11 and Figure 7 12 Also see Section 6 Commis sioning Enable REbus Devices for more informa tion Figure 7 10 Enabling REbus Devices 1 of 3 Figure 7 11 Enabling REbus Devices 2 of 3 SA System Mode Menu GRd Settings SElibrate CTs CLEPn 00010003XXXX EXIT SCROLL NEXT SELECT Self Supply Can...

Page 50: ...system is activated confirm the system mode and navigate to the inverter device page Press the cen ter button to access the Mod Settings menu for the inverter and confirm the settings are set correctly for the system installed PV Only System System mode should be Grid Tie See Figure 7 15 and Figure 7 16 Inverter Mod Settings o EnaIslanding should be off o All other settings should be at their defa...

Page 51: ...be Self Supply or Priority Backup See Figure 7 22 Figure 7 23 Figure 7 24 and Figure 7 25 Inverter Mod Settings o EnaIslanding should be on o NumTranSwtchs should be 1 o EnaLoadShed should be 1 for SMMs only and 2 for SMMs PWRcell ATS Controller for HVAC controls o ACPVPower should be equivalent to the PV array installed o All other settings should be at their default values Figure 7 22 ACPV Batte...

Page 52: ... of 3 NOTE Contact the Independent Authorized Service Dealer IASD who installed the system if unsure of how to proceed with any of the actions above EnaIslanding NumTranSwtchs Cancel Save ExtTransVolt 1 ExportOverride on off 95 013431 CTTurnsRatio EnaLoadShed Cancel Save GridParInvrtrs 1 ACPVPower 1 500 0 1 013430 GridParInvrtrs ACPVPower Cancel Save CalOverride 7 6 CTTurnsRatio 1 1 500 off 013429...

Page 53: ...vailable or unfavorable making battery stored power more economically attractive than power from the utility grid See Figure 7 26 If more power is being produced by the solar array than is needed by local loads the inverter stores the energy in the battery for later use Figure 7 26 Self Supply 1 of 3 See Figure 7 27 When the battery is full and a surplus of power is available that surplus is expor...

Page 54: ...ses all available solar power to charge the battery PWRcell Batteries will not export to grid in this system mode See Figure 7 30 When the battery is fully charged solar power will flow to local loads and the grid Figure 7 29 Clean Backup 1 of 2 Figure 7 30 Clean Backup 2 of 2 See Figure 7 32 If there is a utility service interruption while operating in Clean Backup the system will enter Island Mo...

Page 55: ...will not charge again until either of the following are true Solar production exceeds the inverter rated grid tied output power maximum The inverter system mode is changed to a system mode prioritizing battery backup See the Generac PWRcell Battery Installation Manual for more information Island Mode In the event of a grid outage the PWRcell Inverter enters Island Mode While in Island Mode the inv...

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Page 57: ...ll DC Disconnects See Accessing Wiring Compartment for location If a main fuse has blown determine the root cause of the issue before replacing it For assistance contact the nearest Independent Authorized Service Dealer IASD contact Generac PWRcell Technical Support at 1 855 635 5186 or call or Generac Customer Service at 1 888 436 3722 1 888 GENERAC or visit www generac com 000642 DANGER Electroc...

Page 58: ... tight Figure 8 2 Removing Wiring Compartment Cover Annual Maintenance On an annual basis Clean the exterior of the enclosure with a soft cloth Ensure surrounding area is free of leaves pet hair or other debris that could obstruct airflow in or out of the unit Inspect the unit Look for conditions that could hinder performance or safety such as but not limited to Blocked vents Dirty intake filter L...

Page 59: ...solar power is detected during a power search the battery will keep the system awake and begin charging powering loads See Power Search and reference the Battery Status LED in the PWRcell Battery Owner s Manual Utility grid power went out backup loads are not being powered inverter screen is ON The protected loads disconnect on the inverter Power Core may be in the OFF position Turn the inverter p...

Page 60: ... below 96 V for more than 6 sec loads will brown out during this time the system will blackout all loads Turn OFF motor loads Reduce house loads as necessary Overload on Current most vulnerable to this condition when system does not have an external ATS Cumulatively there is too much load on the inverter system If inverter experiences current greater than 35 amps L N the inverter will prevent tran...

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Page 63: ......

Page 64: ... rights reserved Specifications are subject to change without notice No reproduction allowed in any form without prior written consent from Generac Power Systems Inc Generac Power Systems Inc S45 W29290 Hwy 59 Waukesha WI 53189 1 888 GENERAC 1 888 436 3722 www generac com ...

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