Install Manual

Installing Generac PWRcell Battery
22 Installation Manual for Generac PWRcell Battery
7. Enable the PWRcell inverter.
– Navigate to the inverter device page.
– Select Enable.
– Select Confirm.
8. Perform Vset.
– Navigate to the battery device page.
– Select Start Vset.
– Select Confirm.
– Verify the battery is discharging.
NOTE: The battery status LED on the front of the PWR-
cell battery unit will flash green when the battery is dis-
charging and the inverter home screen will show power
flowing from the battery.
9. During Vset the PWRcell battery will balance the
voltage between modules then disable itself. This
process can take several hours. Do not proceed
until the battery has disabled itself.
10. Power down the battery by disabling REbus and
turning OFF the Battery Disconnect switch on the
front of the PWRcell battery.
11. Add the new modules into the string.
– Connect power and communications cables in
the appropriate sequence.
– See Installing Battery Modules for more infor-
mation.
12. Replace and secure front cover. See Installing
Cover.
13. Power on the battery.
NOTE: If the unit stalls in an Initializing or Waiting state,
power cycle the controller by performing a shutdown.
14. Enable all devices to resume normal operation.
15. Return sysmode to original setting.
Maximizing Battery Capacity After Upgrade
To maximize battery capacity after adding new battery
modules, change the system mode to Priority Backup
and allow the battery to charge to 100%.
Leave the battery in this state for several days to allow
the battery cells to balance.