Commissioning and Setup
28 Installation Manual for Generac PWRCell Inverter
Selecting Inverter Compliance Setting
(optional)
By default, all Generac PWRcell Inverters ship in compli-
ance with UL 1741, including IEEE 1547. If the system
needs to be configured to comply with a different grid
interconnection standard, activate the new configuration
before proceeding via the Installer Configuration Tool.
See Installer Configuration Tool for more information.
Selecting ESS Grid Usage Mode
(Optional)
By default, all Generac PWRcell Inverters ship without
restrictions on how the PWRcell battery (ESS) may be
charged from, or supply power to, an interconnected util-
ity grid. If the system needs to be configured to comply
with specific utility interconnection requirements, a differ-
ent ESS Grid Usage Mode may be selected.
An ESS Grid Usage Mode is set through the Installer
Configuration Tool.
NOTE: The ESS Grid Usage Mode is one-time settable
and, therefore, once set cannot be changed by an
installer without support from Generac Power Systems.
NOTE: There is no time allowance provided to further
change this mode after it is set.
There are two ESS Grid Usage Modes for PWRcell
equipment: Zero Import and Export Limiting.
Zero Import mode (CRD200 Export Only compliance)
allows the battery to export power to a connected utility
grid but will not allow the battery to be charged from the
utility grid. In this mode, the battery will only be charged
by a connected REbus source such as a PV Link. Power
from the battery can supply all local loads as well as sup-
plying power to a utility (when connected). See Setting
for Import/Export Compliance for more information.
Export Limiting mode allows the user to restrict the export
to a connected utility grid to a Export Limit value set by
the installer. When the Export Limit value is set to 0, this
mode functions as like a “Zero Export” mode (CRD200
Import Only compliance) allowing the battery to be
charged from a connected utility grid but will not allow
any REbus-connected source (either from the battery or
PV) to export power to the utility grid. Configured this
way, the battery can be charged by a connected REbus
source and / or a utility grid source but no power will be
exported to the utility.
See Setting for Import/Export Compliance for more
information.
Enabling REbus Devices
NOTE: All PWRcell devices are enabled and configured
individually through the PWRcell inverter control panel.
Following installation, the inverter must be enabled
before all other REbus devices.
To enable the inverter:
1. See Figure 6-7. Use the right arrow key to scroll
the inverter device page.
2. Verify inverter status reads disabled.
Figure 6-7. Enabling 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.
(000627a)
DANGER
Electrocution. Never enable any device during an
installation or while wires are exposed. Doing so
will result in death, serious injury, or equipment or
property damage.
Inverter
PWRcell 2P Inv.
2.4Wh
248V
0W
-02
Disabled
AC Power:
AC Voltage:
E-total:
010010
009656
Enable
PWRcell 2P Inv. Menu
Mod. Settings
Calibrate CTs
RCPn: 000100073212
< EXIT SCROLL > NEXT • SELECT
010011
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