Commissioning
Installation Manual for Generac PWRcell Battery 29
Section 5: Commissioning
General Information
NOTE: Register the PWRcell Inverter for commissioning
at https://pwrfleet.generac.com.
Before commissioning PWRcell Battery verify all wiring is
correct and secure and that the front cover is securely in
place. For more information, see:
• Installing REbus wiring
• Installing Battery Modules
• Installing Retention Clips
• Connecting Battery Power Cables
• Installing Cover
PWRcell systems installed in one and two family dwelling
units shall be commissioned as follows:
1. Verify system is installed in accordance with the
installation instructions in this manual and all local
code requirements.
2. Provide a copy of the PWRcell Battery installation
and owner's manual to the system owner.
3. Provide training to the system owner on the proper
operation and maintenance of the battery.
4. Provide a label on the installed system containing
contact information for the qualified maintenance
and services providers.
NOTE: See the Generac PWRcell Inverter Owner’s
Manual for complete information on enabling the inverter
and using the display and keypad, as well as information
on the different operational modes and their uses.
Commissioning Procedure
For complete system commissioning, please reference
the Quick Start Commissioning guide included with the
PWRcell Inverter and the PWRcell Inverter Installation
Manual.
For multi-inverter system commissioning, stop here and
reference Multi-Inverter System Commissioning in the
PWRcell Inverter Installation Manual.
Commissioning the PWRcell Battery REbus device:
1. Turn the REbus DC disconnect for the PWRcell
Battery to the ON position at the inverter.
2. Enable the inverter from the PWRcell Inverter
device page, using the inverter control panel.
NOTE: Enabling the PWRcell Inverter builds voltage on
REbus allowing for device communications.
Configure Battery
1. Using the left or right arrow keys on the inverter
control panel, navigate to the PWRcell Battery
device page and press the center button.
2. Select 'Mod. Settings' to access battery setpoints.
3. Configure Mod. Settings setpoints as desired. See
Table 1 for a description of settings.
NOTE: PWRcell Battery will auto-detect the number of
lithium-ion modules.
Enable Battery
1. Turn the PWRcell Battery Disconnect ON.
2. Select Enable and confirm on the PWRcell Inverter
control panel device page.
Confirm Island Mode is Enabled
1. Using the inverter control panel, select Mod. Set-
tings on the PWRcell Inverter device page.
2. Ensure EnaIslanding is set to 'on'.
3. If using an external automatic transfer switch, refer
to the Generac PWRcell Inverter Installation Man-
ual and the PWRcell ATS Manual for switch wiring
and configuration.
IMPORTANT NOTE: Island mode must be enabled for
inverter to provide backup power during outages.
Operating Modes, Charging
Parameters, and Setpoints
The PWRcell Battery’s internal control electronics come
preprogrammed for the safe and effective charge and
discharge of the battery modules.
The PWRcell System supports multiple storage interac-
tive system modes. For complete information on the dif-
ferent system modes and how to select them, see the
Generac PWRcell Inverter Owner’s Manual.
Reference Table 1 below for detailed list of PWRcell Bat-
tery settings.
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