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5.5 Permission to operate checklist
The following is a recommended quality inspection checklist following approval by AHJ inspector to operate the
energy storage system.
Status
Inspection
(√ )
12V battery positive lead connection to the lead acid battery completed.
AK1 relay connection completed.
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
No power to DURACELL HUB and
Grid connected
backup panel.
Grid connected
No PV power output
Commissioning /
Battery does not charge when PV
Grid connected
is operating
Grid connected &
Monitoring system not displaying
Backup
information in web portal.
Backup (grid
No power to backup loads
outage)
Check
Check DURACELL HUB breaker circuit at the main panel.
Check PV breaker in the backup panel.
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.
Check internet connection. Check power (Green LED) on EMC panel.
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.
Reference
Figure 22
Figure 14
13
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