Generac Power Systems PWRcell APKE00013 Page 28 Installation Manual Download | Manualshive

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Electrical Connections

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Installation Manual for Generac PWRCell Inverter

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Summary of Contents for PWRcell APKE00013

Page 1: ...s 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 1 888 GENERAC 888 436 3722 Para español visita http www generac com service support product support lookup Pour le français visiter http www generac com service support product support looku...

Page 2: ...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: ... Dimensions and Locations 14 Wiring Guidelines 15 Grounding Bar Wiring 15 DC Wiring 16 AC Wiring 16 Protected Load 17 Connecting Ethernet 18 Current Transformers CTs 18 Other Accessories 23 Section 6 Commissioning and Setup System Configuration 25 General Information 25 Commissioning the System 25 Connect the PWRcell inverter to High Speed Broadband Internet 25 Registration 25 Connecting PWRcell I...

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Page 5: ...n verifying the inverter software To get the latest software version go to generac com pwrcell update and follow the instructions or call 1 855 395 7841 for additional help or questions Safety Rules The manufacturer cannot anticipate every possible cir cumstance that might involve a hazard The alerts in this manual and on tags and decals affixed to the unit are not all inclusive If using a procedu...

Page 6: ... 000187 WARNING Electrocution Potentially lethal voltages are generated by this equipment Render the equipment safe before attempting repairs or maintenance Failure to do so could result in death or serious injury Risk of injury Do not operate or service this machine if not fully alert Fatigue can impair the ability to operate or service this equipment and could result in death or serious injury 0...

Page 7: ... 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 death s...

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

Page 9: ...ange AC X7602 Series L N V rms 106 120 132 Operating voltage range AC X7602 Series L L V rms 212 240 264 Operating voltage range AC X11402 Series L N V rms 106 120 132 Operating output voltage range AC X11402 Series L L V rms 184 208 228 Continuous output current AC grid tied A rms 32 PCS controlled current grid tied A rms 32 Continuous output current AC islanded1 A rms 42 Output fault current dur...

Page 10: ... configured to do so This capability is referred to as islanding All PWRcell products use the REbus 380 VDC nanogrid to connect to each other 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 connected to PV Link optimizers B and PWRcell ...

Page 11: ...he inverter is disabled or powered off Internet LED Internet LED G is illuminated when the inverter is connected to a router and has an IP address A blue Internet LED does not mean that the inverter has connected with the Generac server Shutdown Mode NOTE A loss of grid power will not de energize REbus in a PWRcell system configured to island with enabled energy storage Shutdown button E activates...

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Page 13: ...its connected to that disconnect NOTE If an additional DC disconnect is added ensure the disconnect switch is rated for a minimum of 30 amperes 450 volts To initiate the PVRSS Open the inverter lid Locate the four DC disconnects to the left of the Generac Power Core Turn all disconnects with connected PV sources to the off position PV Links will open all SnapRS devices within 30 seconds controllin...

Page 14: ...itions result in a 300 second restart delay time after the trip threshold has been exceeded for the listed number of cycles Frequency Trip Thresholds See Table 3 2 for the default fixed frequency trip set points All over frequency and under frequency trip condi tions result in a 300 second restart delay time after the trip threshold has been exceeded for the listed number of cycles Value of 999 in...

Page 15: ...ces Figure 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 16: ... the wall Fasteners 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 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 Bracke...

Page 17: ...WRcell DC Disconnects I STOP Terminals B REbus Bi directional DC Terminals J Protected Loads Disconnect C Internet Connection K AC Grid Connection Terminals D DC Main Fuses L Protected Loads Terminals E Current Transformers CTs Accessory Ports M Grounding Bar F Automatic Transfer Switch ATS Accessory Port N Gen Sense G REbus Beacon Port O Gen Start H Authorized Generac Personnel Only B C D M L K J...

Page 18: ... locations hubs in compliance with UL514B Figure 5 3 Knockout Locations C 010238 B E D A Table 5 3 Combination Knockout Size and Quantity Combination Knockout Size Quantity 3 4 in X 1 in 6 1 2 in X 3 4 in 7 5 1 2 in 140 mm 5 29 32 in 150 mm 2 5 8 in 67 mm 1 21 32 in 42 mm 1 31 32 in 50 mm 2 13 16 in 72 mm 2 7 32 in 56 mm 1 3 8 in 34 mm 1 1 16 in 27 mm 2 3 16 in 55 mm 1 15 16 in 49 mm 1 7 8 in 47 m...

Page 19: ...ved systems DC system grounding is critical for REbus communications REbus grounding wires are used as communications wires 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 5 Table 5 4 Terminal Toques Wiring Terminal Torque AC terminals 13 3 to 15 9 in lb 1 5 ...

Page 20: ...Terminals 000686a DANGER Electrocution Never touch terminals when inverter and PWRcell DC disconnects are ON Doing so will result in death or serious injury 000646 Equipment damage Obey polarity markings when connecting REbus devices Reverse polarizing DC circuits could result in equipment or property damage WARNING 000645 WARNING Equipment damage Do not connect raw unregulated battery output to i...

Page 21: ...subpanel Connect this subpanel to the protected loads terminals The protected loads output can provide on the order of 8kW of continuous power See Specifications for exact values The inverter can surge up to 50A for motor 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 s...

Page 22: ...ad required Inverters connected by a router to a DHCP network will automatically detect settings For manual IP setup see Configuring Static IP Settings NOTE It 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 ne...

Page 23: ...enerac PWRCell Inverter 19 Figure 5 7 Connecting Current Transformers CTs A PV Array B PWRcell Inverter C Protected Loads Panel D Protected Loads Disconnect E AC Main Panel F PWRcell Battery G Current Transformers CTs H Utility A F B C D E 010000 G H ...

Page 24: ...ay require multiple sets of CTs to fully measure the utility power being sent to the building For 4 wire 120 240 VAC split phase service Use two pairs of CTs to measure the service Use each pair of CTs to measure a pair of service conductors feeders within the main panel Use both RJ 45 jacks with two Cat 5 cables Connect CT1 from both cables to the same phase and CT2 cable from both cables to the ...

Page 25: ...ects CTs when turned ON Once CTs are detected a utility pole symbol will appear on the lower right corner of the home screen power flow diagram Verify operation by noting power flow To calibrate CTs navigate to the inverter device page access the sub menu and select the Cali brate CTs option When the CT calibration pro cess is successfully complete the inverter screen will provide feedback showing...

Page 26: ...a valid CT calibration Check wiring and CT integrity ct cal 9 0x8069 Line 1 has multiple CTs on it or a CT is on the neutral wire Check wiring and CT integrity ct cal A 0x806A Line 2 has multiple CTs on it or a CT is on the neutral wire Check wiring and CT integrity ct cal B 0x806B Lines 1 and 2 have multiple or missing CTs on them or a CT is on the neutral wire Check wiring and CT integrity ct ca...

Page 27: ...eing 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 EnaLoadShed setpoint This setpoint is accessible through the Mod Settings menu via the inverter device page as shown in Figure 5 11 Select a value ...

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Page 29: ...et 2 Register system 3 Energize the PWRcell inverter with AC power 4 Select Inverter system mode 5 Configure inverter settings 6 Select inverter compliance setting optional 7 Select ESS Grid Usage Mode optional 8 Enable REbus devices 9 Test islanding Connect the PWRcell inverter to High Speed Broadband Internet Refer to Connecting Ethernet for more information Registration NOTE If the system is no...

Page 30: ...gure 6 3 A list of system modes will be displayed with the current mode marked with an asterisk NOTE The list of system modes may not include all those shown in Figure 6 3 Figure 6 3 Selecting System Modes 1 of 4 3 See Figure 6 4 Use the up and down arrows to highlight the desired mode and press the center button to select Figure 6 4 Selecting System Modes 2 of 4 4 Arrow right and press the center...

Page 31: ... to channel 0 unless performing Multiple Inverter System Commis sioning Procedure TargMaxImprtP 30 000 to 30 000 Watts 0 Maximum Threshold for importing power before the battery will dis charge in Self Supply Mode to offset TargMinImprtP 30 000 to 30 000 Watts 0 Minimum power import maintained by charging the battery from the grid in Self Supply Mode EnaIslanding on off on Allows system to island ...

Page 32: ...ting for Import Export Compliance for more information Export Limiting mode allows the user to restrict the export to a connected utility grid to an Export Limit value set by the user When the Export Limit value is set to 0 this mode functions as a Zero Export mode CRD200 Export Only compliance allowing the battery to be charged from a connected utility grid but will not allow any REbus connected ...

Page 33: ...o 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 13 Use the up and down arrows to highlight Access Code and press the center button to select ...

Page 34: ...TOU Scheduler Running Screen and a Current System Mode screen Both screens will display the time until the next system change and the mode the system will change to The TOU Schedule name will be listed at the bottom of the device page Figure 6 15 Running Figure 6 16 Current System Mode See Figure 6 17 and Figure 6 18 On the home page the text above the power flow diagram will alternate between Sch...

Page 35: ...until the mode is changed manually or the sched uler is re enabled Figure 6 23 Disabling Beacon 3 of 3 Temporarily Overriding the TOU Scheduler The scheduler can be temporarily overridden at any time without disabling it The 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 bu...

Page 36: ...ter screen select the installer tool See Accessing the Installer Configuration Tool for more infor mation 2 After logging into the Installer Configuration Tool select Beacon from the menu 3 Select Simple IP Network Settings See Figure 6 25 4 Adjust any of the following network configuration information as needed Name Config Address Netmask Gateway DNS1 DNS2 MAC 5 Press Submit to commit settings Fi...

Page 37: ...erter behaves like a master device If two or more master devices are communicating on the same PLM channel REbus devices become unable to respond properly to the intended master device and the master devices will attempt to provide control for the other often leading to communication and reporting issues This is referred to as cross talk How to identify PLM Cross talk Cross talk can be easily iden...

Page 38: ... screen of that inverter of unwanted devices from other systems on site 5 Follow steps 1 8 for Multiple Inverter System Com missioning See Multiple Inverter System Com missioning Procedure for more information 6 Proceed to next cross talked inverter and repeat the procedure Installer Configuration Tool The Installer Configuration Tool allows configuration and provisioning of Generac PWRcell system...

Page 39: ... inverter control screen To dis able a system mode tap the checkbox to uncheck the box for that mode Click Submit to save Clear Display Allows installers to wipe the screen of any unwanted devices being retained by the memory card in the screen module Select Clear and click Submit The screen will go blank and test its LEDs Allow time for the screen to reload before accessing Import Export Limiting...

Page 40: ...down list will limit the inverter power export to the utility grid to the value specified for Export Limit NOTE This feature is only available for inverter firmware version 13290 or greater See Verifying Inverter Soft ware Version for more details To request a firmware update for an inverter please contact PWRcell Technical Support Zero Import See Figure 6 30 This option is one time settable Pleas...

Page 41: ...m 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 Figure 6 32 Utility Compliance Configuration NOTE Verify the Compliance Selection field shows the desired compliance rule after clicking Submit NOTE For multi system sites compliance must be set on each inverter separately through ea...

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Page 43: ...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 call Generac Customer Service at 1 888 436 3722 1 888 Generac or visit www generac com To replace a fuse 1 Initiate an inverter shutdown See Shutdown Mode for more information 2 See Figure 7 1 Open all PWRcell DC Disconnects A Verif...

Page 44: ...sert replacement fuse into fuse holder 10 Reinstall fuse holder Turn clockwise until tight Figure 7 2 Removing Wiring Compartment Cover Recovery From an Error State Error events will force the PWRcell inverter into an error state where no DC power is exported though voltage may still be present on REbus from connected devices To recover a device from an error state use the front control panel to d...

Page 45: ...er is in place between STOP terminals CTs will not calibrate Loose connection Check CT wiring Trigger manual CT calibration from the inverter device menu No REbus Beacon device page Beacon USB cable not connected Verify the USB cable is correctly connected to the Beacon and also to the Beacon accessory port in the inverter wiring compartment Inspect exposed sections of cable for damage Beacon wrap...

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Page 48: ...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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