Duracell D-HUB - Permission to Operate Checklist; 6 Maintenance; Product Maintenance; 7 Troubleshooting

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5.5 Permission to operate checklist
Th
e following is a recommended quality inspection checklist following approval by AHJ inspector to operate the
energy storage system.
Status
(√ )
Inspection
Reference
12V battery positive lead connection to the lead acid battery completed.
Figure 22
AK1 relay connection completed.
Figure 14
6 Maintenance
The DURACELL HUB is a maintenance free product. Inspect the enclosure ventilator annually to ensure it is free from
obstruction. For heavy soiling use a soft, dry brush to clean. Do not use any solvents, scouring, or corrosive materials
to clean the unit. Never remove or unplug connections or plugs during cleaning.
7 Troubleshooting
The following is a troubleshooting guide for the DURACELL HUB. Refer to the DURACELL POWER CENTER 5KW
Installation & Startup Manual for troubleshooting of the ESS.
Mode
Condition
Check
Grid connected
No power to DURACELL HUB and
backup panel.
Check DURACELL HUB breaker circuit at the main panel.
Grid connected No PV power output Check PV breaker in the backup panel.
Commissioning /
Grid connected
Battery does not charge when PV
is operating
1. Check CT configuration. PV measurement is negative when
operating.
2. Check battery SOC (battery does not charge when full).
3. EMS operating in solar self-consumption mode, and home loads
are greater than PV.
Grid connected &
Backup
Monitoring system not displaying
information in web portal.
Check internet connection. Check power (Green LED) on EMC panel.
Backup (grid
outage)
No power to backup loads
Check status of the ESS on the front of the PCS panel. Refer to the
DURACELL POWER CENTER 5KW Installation & Startup Manual for
more details.