Generac Power Systems PWRcell X7600 Series User manual

SAVE THIS MANUAL FOR FUTURE REFERENCE
Register your Generac product at:
WWW.GENERAC.COM
1-888-GENERAC
(1-888-436-3722)
Owner’s Manual
Generac PWRcell™ Inverter
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.
Register your Generac product at:
https://register.generac.com/
1-888-GENERAC
(888-436-3722)
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Pour le français, visiter: http://www.generac.com/service-support/product-support-lookup

ii Owner’s Manual for Generac PWRcell Inverter
Use this page to record important information about your Generac Product
Record the information found on your unit data label on this page. See Serial Number Locations.
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: Generac PWRcell Inverter Important Information
Unit Model Number
Unit Serial Number
Date Purchased
Commissioning Date
(000393a)
WARNING
CANCER AND REPRODUCTIVE HARM
www.P65Warnings.ca.gov.

Owner’s Manual for Generac PWRcell Inverter iii
Section 1: Introduction and Safety
Introduction ..........................................................1
Read This Manual Thoroughly ....................................1
Safety Rules .........................................................1
How to Obtain Service .................................................1
General Hazards ..................................................2
Electrical Hazards ................................................3
Safety Shutdown ..................................................3
Section 2: General Information
Specifications ......................................................5
Ratings ..................................................................5
Serial Number Location ......................................6
Unit Dimensions .................................................6
About Generac PWRcell Inverters .....................6
Component Locations .........................................7
Inverter Control Panel .........................................7
LED Indicators .....................................................7
REbus Status LED ......................................................7
Inverter LED ................................................................7
Safety Shutdown LED .................................................7
Internet LED ................................................................7
Operational Modes Overview .............................8
Grid Tie .......................................................................8
Clean Backup ..............................................................8
Priority Backup ............................................................9
Self Supply ..................................................................9
Self Supply Setpoints ................................................10
Section 3: Operation
Operation and User Interface ....................................11
Home Screen ......................................................11
Selecting Operational Modes ........................... 11
Device Pages .....................................................12
Enabling and Disabling Devices ................................12
Mod. Settings Menu ........................................... 13
Ethernet Configuration .....................................14
Ethernet Setup ..........................................................14
Serial Number and Registration .......................14
Other External Communications
Generac Beacon ................................................14
Section 4: Maintenance
Service ................................................................15
Maintenance .......................................................15
Recovery From an Error State .......................... 15

iv Owner’s Manual for Generac PWRcell Inverter
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Introduction and Safety
Owner’s Manual for Generac PWRCell Inverter 1
Section 1: Introduction and Safety
Introduction
Thank you for purchasing a Generac PWRcell™ Inverter.
The Generac PWRcell Inverter is a storage-ready
inverter that connects to the Generac PV Link™ and
Generac PWRcell Batteries to form the Generac
PWRcell system.
This owner’s manual provides instructions for
programming, configuring, registering and
commissioning the Generac PWRcell Inverter. See the
Generac PWRcell Inverter Installation Manual for
installation instructions.
The information in this manual is accurate based on
products produced at the time of publication. The manu-
facturer reserves the right to make technical updates,
corrections, and product revisions at any time without
notice.
Read This Manual Thoroughly
If any section of this manual is not understood, contact
the nearest Independent Authorized Service Dealer
(IASD) or Generac Customer Service at 1-888-436-3722
(1-888-GENERAC), or visit www.generac.com for assis-
tance. The owner is responsible for correct maintenance
and safe use of the unit.
This manual must be used in conjunction with all other
supporting product documentation supplied with the
product.
SAVE THESE INSTRUCTIONS for future reference. This
manual contains important instructions that must be fol-
lowed during placement, operation, and maintenance of
the unit and its components. Always supply this manual
to any individual that will use this unit, and instruct them
on how to correctly start, operate, and stop the unit in
case of emergency.
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 procedure, work method, or
operating technique that the manufacturer does not spe-
cifically 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 about a particular operation that may be
hazardous if performed incorrectly or carelessly. Observe
them carefully. Alert definitions are as follows:
(000001)
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
(000002)
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
(000003)
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTE: Notes contain additional information important to
a procedure and will be found within the regular text of
this manual.
These safety alerts cannot eliminate the hazards that
they indicate. Common sense and strict compliance with
the special instructions while performing the action or
service are essential to preventing accidents.
How to Obtain Service
For assistance, contact the nearest Independent Autho-
rized Service Dealer (IASD) or Generac Customer Ser-
vice at 1-888-436-3722 (1-888-GENERAC), or visit
www.generac.com.
When contacting an IASD or Generac Customer Service,
always supply the complete model and serial number of
the unit as given on its data decal located on the unit.
Record the model and serial numbers in the spaces pro-
vided on the front cover of this manual.
(000100a)
WARNING
Consult Manual. Read and understand manual
completely before using product. Failure to
completely understand manual and product
could result in death or serious injury.

Introduction and Safety
2 Owner’s Manual for Generac PWRCell Inverter
General Hazards
Automatic start-up. Disconnect utility power and
render unit inoperable before working on unit.
Failure to do so will result in death or serious injury.
(000191)
DANGER
WARNING
Risk of injury. Do not operate or service this machine
if not fully alert. Fatigue can impair the ability to
service this equipment and could result in death or
serious injury. (000215)
(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.
(000598)
WARNING
Equipment damage. Connect only to REbus-compatible
devices to the DC bus. Never connect to any other DC
power source. Connecting to other DC power sources
could result in equipment damage.
(000155a)
WARNING
Electric shock. Only a trained and licensed electrician
should perform wiring and connections to unit. Failure
to follow proper installation requirements could result in
death, serious injury, and equipment or property damage.
(000182a)
WARNING
Equipment damage. Only qualified service personnel may
install, operate, and maintain this equipment. Failure to
follow proper installation requirements could result in death,
serious injury, and equipment or property damage.
•Connecting Generac PWRcell to the electric utility
grid must only be done after receiving prior
approval from the utility company.
•Only competent, qualified personnel should install,
operate, and service this equipment. Strictly com-
ply to local, state, and national electrical and build-
ing codes. When using this equipment, comply with
regulations established by the National Electrical
Code (NEC), CSA Standard; the Occupational
Safety and Health Administration (OSHA), or the
local agency for workplace health and safety.
•Protection against lightning surges in accordance
with local electric codes is the responsibility of the
installer.
•If working on this equipment while standing on
metal or concrete, place insulative mats over a dry
wood platform. Work on this equipment only while
standing on such insulative mats.
•Never work on this equipment while physically or
mentally fatigued.
•Any voltage measurements should be performed
with a meter that meets UL3111 safety standards,
and meets or exceeds overvoltage class CAT III.

Introduction and Safety
Owner’s Manual for Generac PWRCell Inverter 3
Electrical Hazards
(000104)
DANGER
Electrocution. Water contact with a power
source, if not avoided, will result in death
or serious injury.
(000604)
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.
(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, serious injury,
equipment and property damage.
DANGER
(000152)
DANGER
Electrocution. Verify electrical system is
properly grounded before applying power.
Failure to do so will result in death or serious
injury.
(000188)
DANGER
Electrocution. Do not wear jewelry while
working on this equipment. Doing so will
result in death or serious injury.
(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.
Safety Shutdown
(000600)
DANGER
Electrocution. Initiate a system-wide safety shutdown
and turn PWRcell Disconnect Switch OFF on all
connected batteries before performing service. Failure
to do so will result in death, serious injury, equipment
and property damage.
NOTE: A loss of grid power will not de-energize REbus
in a system configured to island or provide backup power.
See Figure 1-1. Shutdown button (A) on the Generac
PWRcell Inverter control panel activates Safety
Shutdown. Safety Shutdown signals connected devices
to shutdown and limit output voltage to a safe level. An
external shutdown button may also be installed, given
appropriate labeling. See the Generac PWRcell Inverter
Installation Manual for more information.
To enter Safety Shutdown, press and hold Shutdown (A).
Safety shutdown LED (B) will illuminate and LCD screen
(C) will indicate Safety Shutdown has been initiated.
REbus Inverter
Internet
Shutdown
(hold)
009918
A
C
B
Figure 1-1. Safety Shutdown Button (Located on
Inverter Control Panel)
Upon entering Safety Shutdown, a shutdown signal will
be transmitted to all devices connected to REbus. In
Safety Shutdown:
•Generac PWRcell Inverter will disconnect from the
grid.
•Generac PWRcell Inverter will stop sourcing power
to REbus, and immediately disable all sources on
REbus by sending a global shutdown signal.
•All Generac PV Link Optimizers will disconnect
their output.
•Safety Shutdown LED (B) will be illuminated to
show that the inverter has entered safety shut-
down. REbus DC bus voltage will be displayed on
the inverter screen.

Introduction and Safety
4 Owner’s Manual for Generac PWRCell Inverter
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Owner’s Manual for Generac PWRcell Inverter 5
General Information
Section 2: General Information
Specifications
Description Units X7600 Series X11400 Series
Max. cont. AC power @ 50ºC kW 7.6 11.4
Grid Voltage VAC 120/240 (1-ph) 120/208 (3-ph)
Max cont. REbus current (peak) A 20 30
Max cont. grid output current A 32
AC terminals wire size AWG 14 to 6
DC terminals wire size AWG 18 to 6
STOP terminals wire size AWG 28 to 16
Gen Sense/Gen Start wire size AWG 30 to 12
Weight lb (kg) 64 (29)
Thermal management - forced convection
Temperature range ºF (ºC) -4 to 122 (-20 to +50)
Weatherization rating - NEMA 3R
Enclosure Material - powder-coated steel
Ratings
Description Units Min Nominal Max
Maximum Input Voltage (nanogrid) V 420
Range of Input Operating Voltage (nanogrid) V 360 400
Maximum input current (nanogrid) A 20
Maximum input short circuit current (nanogrid) A 30
Maximum input source backfeed current to input
source (nanogrid) A30
Output power factor rating (ac) - 1
Operating Voltage range (ac) 2ph V, rms 108 130
Operating Voltage range (ac) 3ph V, rms 106 132
Operating frequency range or single frequency Hz 59.6 60.4
Nominal output voltage (ac) V, rms 120/240 & 208, 3 ph
Normal output frequency (ac) Hz 60
Maximum continuous output current (ac) A, rms 32
Maximum output overcurrent protection A 50
Max output fault current and duration A/ms 50 / 17
Utility interconnection voltage and frequency trip
limits and trip times
Trip voltage and frequency limits
Trip Voltage Accuracy
Trip Time Accuracy - 2% +/-2 cycles
Normal operation temperature range ºF (ºC) -4 (-20) +122 (+50)
Output power temperature derating and maxi-
mum full power operating ambient
ºF (ºC) -4 (-20) +122 (+50)
Peak Efficiency % 97.5
CEC Weighted Efficiency % 97
Specifications are subject to change without notice. Refer to the product specification sheet for complete list.
See Generac PWRcell Inverter Installation Manual for more information.

6 Owner’s Manual for Generac PWRcell Inverter
General Information
Serial Number Location
Refer to Figure 2-1 to locate unit serial number (A).
Record the information from this tag in Table 1: Generac
PWRcell Inverter Important Information on the inside
front cover of this manual. When requesting assistance,
you may be asked to provide this information.
A
009954
Figure 2-1. Serial Number Location
Unit Dimensions
1
B
A
C
009955
Figure 2-2. Unit Dimensions
A
B
C
About Generac PWRcell Inverters
The Generac PWRcell Inverter connects to the Generac
PV Link™ and Generac PWRcell Battery to form the
Generac PWRcell system for grid-interactive solar-plus-
storage.
Upon the loss of grid power, Generac PWRcell Inverters
disconnect from the grid and provide AC power to
support protected loads when configured to do so.
All Generac PWRcell products use the REbus™ 380
VDC nanogrid to connect energy sources, storage, and
loads. The REbus nanogrid automates the flow of power
to enable plug-and-play setup and operation of Generac
PWRcell equipment. For more information about REbus,
visit www.generac.com.
In Figure 2-3 Generac PWRcell Inverter (E) is directly
connected to Generac PV Link (B) and Generac PWRcell
Battery (C) on DC (REbus) line (D). To the right of the
inverter are AC lines: 120/240 VAC for grid and home
loads (G), and protected loads (H) support up to 50 A.
009893
A
B
C
D
E
FG
H
.
Figure 2-3. Generac PWRcell System Example
ASolar Panels EGenerac PWRcell Inverter
BGenerac PV Link FGrid
CGenerac PWRcell Battery GLoads
DREbus HProtected Loads
24.5 in (622 mm)
19.25 in (489 mm)
8 in (203 mm)

Owner’s Manual for Generac PWRcell Inverter 7
General Information
Component Locations
009656
A
B
C
Figure 2-4. Component Locations
AControl panel
BIntake filter
CExhaust vent
Inverter Control Panel
REbus Inverter
Internet
Shutdown
(hold)
009894
A
D
C
B
G
E
F
Figure 2-5. Inverter Control Panel
ALCD display
BNavigation keys
CREbus status LED
DInverter LED
ESafety Shutdown
FSafety Shutdown LED
GInternet LED
See Figure 2-5. Generac PWRcell is controlled through
the Generac PWRcell Inverter control panel. The inverter
control panel is used for adjusting system settings and for
interacting with devices.
LED Indicators
See Figure 2-5 for LED locations.
REbus Status LED
REbus Status LED (C) communicates REbus nanogrid
status through LED color.
•Green – all devices are functioning normally and
are either generating power or ready to generate
power.
•Yellow – no devices are connected or no devices
are enabled.
•Red – one or more REbus device has a fault that
requires attention before operation will continue.
NOTE: A red LED can also indicate a fault with the
REbus nanogrid itself. See display (A) for more
information about the specific fault detected.
Inverter LED
Inverter LED (D) communicates the status of the utility
grid and/or inverter through LED color and state.
•Green – utility is connected and within normal
operational voltage and frequency.
•Blinking green – system is in standby mode,
powering up, or initializing.
•Yellow – utility grid is not within normal conditions,
but user intervention typically is not required. The
inverter will restart as soon as the utility grid
returns to normal conditions.
•Red – a serious fault with the utility grid or inverter
has been detected and user attention is required
before the unit will resume operation. See display
(A) for more information about the specific fault
detected.
•No light – the inverter is disabled or powered off.
Safety Shutdown LED
Safety Shutdown LED (F) is illuminated when the system
is in Safety Shutdown mode. Safety Shutdown may be
initiated either from the Safety Shutdown button on the
unit or an externally-installed shutdown switch. See
Safety Shutdown.
Internet LED
Internet LED (D) is illuminated when the inverter is
connected to a router and has an IP address. See
Ethernet Configuration.
NOTE: A blue Internet LED does not mean that the
inverter has connected with the Generac server.

8 Owner’s Manual for Generac PWRcell Inverter
General Information
Operational Modes Overview
Generac PWRcell offers several operational modes for
various installation configurations, markets, and
applications. Connected REbus devices work together to
manage the distribution of power based on the selected
operational mode.
Some modes interact with Generac PWRcell Batteries to
store power and/or balance production and consumption.
See Table 2-1 and Table 2-2 for an overview of available
operational modes.
Table 2-1. Operational Inverter Modes
Priority Grid Tie Clean Backup Priority Backup Self Supply
1 Support local loads Charge batteries from bus Charge batteries from bus Support local loads
2 Export to grid Support local loads Charge batteries from grid Charge batteries from bus
3 - Export to grid Support local loads Export to grid
4 - - Export to grid -
Table 2-2. Optimal Mode for Goal
Goal Optimal Inverter Mode
Keep batteries charged as much as possible Priority Backup
Keep batteries charged using only solar power Clean Backup
Net-metering solar energy without a battery Grid Tie
Use grid as little as possible Self Supply
Never sell power to grid Zero Export
Grid Tie
In Grid Tie mode, the Generac PWRcell Inverter
functions as a conventional grid-tied inverter system. The
system powers local loads and when generation exceeds
load demand, excess power is exported to the utility for
net metering and other credits.
NOTE: Grid Tie is intended for use with systems that do
not include a Generac PWRcell Battery. For systems
where a Generac PWRcell Battery will be connected at a
later date, operate in Grid Tie mode until the battery is
installed.
Clean Backup
NOTE: Grid power is not used to charge batteries in this
mode.
See Figure 2-6. In Clean Backup mode, the Generac
PWRcell Inverter prioritizes keeping the Generac
PWRcell Battery charged and ready for a grid interruption
using solar power only. If the battery is not fully charged,
the inverter uses all available solar power to charge the
battery.
See Figure 2-7. When the battery is fully charged, solar
power will flow to local loads and the grid.
009956
Figure 2-6. Clean Backup (1 of 3)
009957
Figure 2-7. Clean Backup (2 of 3)

Owner’s Manual for Generac PWRcell Inverter 9
General Information
See Figure 2-8. When grid service is interrupted, the
system enters Islanding mode. In Islanding mode, solar
and battery power protected loads. If enough solar power
is available, the solar will simultaneously charge the
battery and support the loads.
009958
Figure 2-8. Clean Backup (3 of 3)
Priority Backup
In Priority Backup mode, the inverter prioritizes keeping
batteries charged and ready for grid interruption using
solar or grid power. If the battery is not fully charged, all
available solar power is used to charge the battery. When
the available solar power is lower than the battery input
power rating, the inverter uses grid power to expedite
battery charging.
See Figure 2-9. If solar and grid power are available,
both can charge the battery. The system displays the
amount of power being drawn from the grid and the
amount of power being consumed by local loads before
reaching the battery.
009959
Figure 2-9. Priority Backup (1 of 2)
See Figure 2-10. In the event of grid failure, the inverter
enters Islanding mode. Protected loads are supported by
solar and battery power. If enough solar power is
available, the solar simultaneously charges the battery
and supports the loads.
009961
Figure 2-10. Priority Backup (2 of 2)
Self Supply
In Self Supply mode, the inverter prioritizes powering
local loads using solar and/or stored power first. This
mode is optimal in markets where net metering is
unavailable or unfavorable, making battery-stored power
more economically attractive than grid-provided power.
See Figure 2-11. 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.
009962
Figure 2-11. Self Supply (1 of 3)
See Figure 2-12. When the battery is full and a surplus of
power is available, that surplus is exported to the grid.
009963
Figure 2-12. Self Supply (2 of 3)

10 Owner’s Manual for Generac PWRcell Inverter
General Information
See Figure 2-13. When local demand exceeds available
solar-generated power, the battery supplies power to
support local loads. If the building requires more power
than the battery and solar can provide, then the excess
demand is drawn from the grid.
009964
Figure 2-13. Self Supply (3 of 3)
Self Supply Setpoints
The TargMinImprtP and TargMaxImprtP setpoints allow
the building to deliberately import power from the grid
within certain limits. This is useful for specialized
applications, such as peak avoidance.
These setpoints are relevant to Self Supply mode only,
and are only used for specific applications. See
Table 2-3: Self Supply Setpoints.
Table 2-3. Self Supply Setpoints
Setpoint Description Default Units
TargMaxImprtP
Target Maximum Import Power
•Maximum power imported from the grid at any point.
•When the overall building load exceeds this setpoint, the inverter will supply
additional power from the battery and solar array to keep grid import power
below this level.
•This maximum is not guaranteed. If not enough battery and solar power is
available to cover the load, then the grid will supply the additional power.
0 W
TargMinImprtP
Target Minimum Import Power
•Use this setpoint to charge the battery from the grid.
•If the overall building load is less than this setpoint, the inverter will import
power to the battery to keep the grid import power up to the setpoint.
•If the building load is above the setpoint, the inverter will not import
additional power to charge the battery.
•This minimum is not guaranteed. Once the battery is full, grid import power
may fall below this level.
0 W
Sell
Sell mode commands the system to export all available
power to the grid. Any connected batteries drain to the
grid until their state of charge reaches the Min Arbitrage
setpoint. Once a battery is depleted to this point, it will not
charge again until the operational mode is changed. See
the Generac PWRcell Battery Installation Manual for
more information.
Zero Export
In some areas, solar PV systems are prohibited from
back-feeding the AC grid. For these applications, enable
Zero Export. With Zero Export enabled, the inverter does
not send excess solar power to the grid. Instead, the
system limits solar power generation such that it exactly
matches the power consumed by local loads, resulting in
no exported power.

Operation
Owner’s Manual for Generac PWRCell Inverter 11
Section 3: Operation
Operation and User Interface
See Figure 3-1. Generac PWRcell is controlled through
the Generac PWRcell Inverter control panel. The inverter
control panel is used for adjusting system settings and for
interacting with devices.
•Use left and right arrows (A) to navigate between
pages.
•Press center button (B) from a device page to
modify device settings.
REbus Inverter
Internet
Shutdown
(hold)
009894
B
A
Figure 3-1. Inverter Control Panel
Home Screen
See Figure 3-2. The power flow display on the home
screen illustrates the flow of power in the Generac
PWRcell 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 the center of the screen. The current
operational mode is displayed at the top of the screen.
009965
Figure 3-2. Home Screen
Selecting Operational Modes
Once a system is installed, an operational mode that best
suits the user’s needs must be set. Once set, the system
remains in that mode without needing to be changed.
NOTE: An operational mode can be changed at any
time.
To select an operational mode:
1. See Figure 3-3. While viewing the home screen
press the center button.
009965
Figure 3-3. Selecting Operational Modes (1 of 4)
2. See Figure 3-4. A list of operational modes will be
displayed with the current mode marked with an
asterisk.
NOTE: The list of modes may not include all those
shown in Figure 3-4.
009966
Figure 3-4. Selecting Operational Modes (2 of 4)

Operation
12 Owner’s Manual for Generac PWRCell Inverter
3. See Figure 3-5. Use the up and down arrows to
highlight the desired mode and press the center
button to select it.
009967
Figure 3-5. Selecting Operational Modes (3 of 4)
4. Arrow right and press the center button to select
Confirm.
5. See Figure 3-6. Verify the mode listed at the top of
the home screen is the desired mode.
009968
Figure 3-6. Selecting Operational Modes (4 of 4)
Device Pages
Each device connected to the system has its own device
page. The device page contains basic information about
the device, such as its power level and state.
•Use the left and right arrow keys to scroll through
device pages.
•Press the center button to launch the main menu
for that device.
NOTE: See Figure 3-7. A Device Offline message
indicates the device is disconnected or has lost
communication with the inverter.
009969
Figure 3-7. Device Pages
Enabling and Disabling Devices
(000600)
DANGER
Electrocution. Initiate a system-wide safety shutdown
and turn PWRcell Disconnect Switch OFF on all
connected batteries before performing service. Failure
to do so will result in death, serious injury, equipment
and property damage.
(000627)
DANGER
Electrocution. Never enable any device during an
installation or while wires are exposed. Doing so
could result in death, serious injury, equipment or
property damage.
NOTE: If a device has never been enabled, it remains
disabled until enabled by a user.
After a power outage, all REbus devices must be enabled
by the user before the device will operate. If a device is
disabled, the device will remain in a disabled state and
will not resume operation until enabled by the user.
Once enabled, if grid power is present the inverter will
create DC voltage, establishing the REbus nanogrid. All
devices connected to REbus will wake up and begin
communications.
To enable a device:
1. Use the right arrow key to scroll to the desired
device page.
2. See Figure 3-8. Verify the device status reads
Disabled.
009970
Figure 3-8. Enabling and Disabling Devices (1 of 3)
3. Press the center button.

Operation
Owner’s Manual for Generac PWRCell Inverter 13
4. See Figure 3-9. Highlight Enable and press the
center button.
009971
Figure 3-9. Enabling and Disabling Devices (2 of 3)
5. See Figure 3-10. Arrow right and press the center
button to select Confirm.
009972
Figure 3-10. Enabling and Disabling Devices (3 of 3)
NOTE: Per UL1741, the Generac PWRcell Inverter may
wait five minutes or longer before beginning to export
power after the inverter has been enabled.
Mod. Settings Menu
Most REbus devices have user-adjustable parameters,
such as setpoints for charge, startup voltage, or PLM
channel. See Table 3-4 for available inverter device
settings.
To access user-adjustable parameters:
1. Use the left and right arrows to navigate to the
desired device page.
2. See Figure 3-11. Highlight Mod. Settings and
press the center button to select.
010234
Figure 3-11. Internet Device Page
NOTE: After selecting Mod. Settings it may take a
moment for the settings to load.
3. See Figure 3-12. Use the up and down arrows to
scroll through available settings.
4. Highlight the desired setting and press the center
button to select.
5. Use the up and down arrow keys to adjust the
setting.
NOTE: Press the center button to deselect a setting at
any time
009975
Figure 3-12. Mod. Settings Menu (2 of 3)
6. See Figure 3-14. To save the settings, highlight
Commit and press the center button.
00997
6
Figure 3-13. Mod. Settings Menu (3 of 3)
0099
7
Figure 3-14. Mod. Settings Menu (3 of 3)

Table 3-4. Inverter Device Settings
Setpoint Range Default
PLM_Channel 0 - 12 1
TargMaxImprtP|W -30000 to +30000 0
TargMinImprtP|W -30000 to +30000 0
EnaIslanding 0 or 1 1
EnaExtTransfer 0 or 1 0
ExtTransVolt|V 500-2000 950
ExtTransTime|s 1-3600 15
EnaZeroExport 0 or 1 0
PLM_Disable 0 or 1 0
CalOverride 0 or 1 0
CTTurnsRatio 1500-3000 1500
Operation
14 Owner’s Manual for Generac PWRCell Inverter
Ethernet Configuration
Ethernet Setup
For the Generac PWRcell Inverter to communicate with
the Generac server an Ethernet cable with a valid
Internet connection must be plugged into the inverter
Ethernet port.
•A blue Internet LED indicates the inverter has a
successful connection to the PWRview server.
•If Internet LED is not illuminated, see the Generac
PWRcell Inverter Installation Manual for
troubleshooting and connection instructions.
NOTE: It is the installer’s responsibility to make sure the
Internet connection is reliable and secure. Generac
recommends always using a hardwired connection.
Generac does not recommend or support using any
wireless or power line carrier network devices. Use these
devices at your own discretion.
Serial Number and Registration
NOTE: Registering an inverter automatically registers all
REbus system components connected to that inverter.
Every REbus-enabled device can be monitored from the
PWRview™ online monitoring system and mobile app.
To register a system for PWRview monitoring:
1. See Figure 3-15. Locate the serial number and
registration code on the registration decal on the
front of the inverter. This information will be
required for registration.
2. Navigate to https://register.generac.com/ or if
using a mobile device scan the registration label
QR code.
3. Follow the on-screen prompts to complete the
profile.
.
REGISTER YOUR SYSTEM
Go to
https://register.generac.com/ to register
or scan the code above.
SERIAL NUMBER:
REGISTRATION CODE:
PEEL AWAY
XXXXX-XXXXX
RRRR-RRRR
009984
Figure 3-15. Serial Number and Registration
Other External Communications
Generac Beacon
Generac Beacon allows the Generac PWRcell system to
manage energy production and storage over the course
of the day. This is called Time of Use (TOU) energy
management. To take advantage of this functionality, the
Generac PWRcell system must include a Generac
PWRcell battery and a reliable connection to the Internet
via an Ethernet connection to a router.
See the Generac PWRcell Inverter Installation Manual for
more information on configuring Generac Beacon.

Owner’s Manual for Generac PWRcell Inverter 15
Maintenance
Section 4: Maintenance
(000628)
DANGER
Electrocution. Activate safety shutdown before
performing emergency or service work. Failure to
do so could result in death, serious injury,
equipment or property damage
(000629)
DANGER
Electrocution. Only an authorized technician should
attempt to service this equipment. Failure to follow
proper service requirements could result in death,
serious injury, equipment or property damage
Service
Generac PWRcell Inverter must be serviced by a
qualified technician. See the Generac PWRcell Inverter
Installation Manual for information and instructions on
service and field-replaceable parts.
Maintenance
Periodically check the intake filter on the bottom of the
enclosure to ensure it is not clogged with dust. See
Component Locations for intake filter location.
Clean the filter with a soft brush or vacuum cleaner.
Clean the exterior of the enclosure with a soft cloth.
Recovery From an Error State
Error events will force the Generac 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, disable
then enable that device. See Enabling and Disabling
Devices for more information.
If the system is unable to be accessed, but is connected
to the Internet, contact the nearest Independent Autho-
rized Service Dealer (IASD) or Generac Customer Ser-
vice at 1-888-436-3722 (1-888-GENERAC), or visit
www.generac.com for assistance.

16 Owner’s Manual for Generac PWRCell Inverter
Maintenance
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