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System Commissioning
Checking before Power-On
Check Item
Acceptance criteria
Equipments
Equipments are installed correctly and securely.
Cables are routed properly as required by the
Cables routing
customer.
Cable ties are evenly distributed and no burr
Cable tie
exists.
The PE cables are connected correctly, securely,
Grounding
and reliably.
All the switches connecting to the system are
Switch
OFF.
The AC/DC power cable, battery cable, and
Cable connection
communication cable are connected correctly,
securely, and reliably.
Unused terminals and ports are locked by
Unused terminal
and port
watertight covers.
Installation
The installation space is proper, and the
environment
installation environment is clean and tidy.
System Power-On
• PROCEDURE (ON-GRID AND PV MODULE
CONFIGURED)
1. Set the BATTERY SWITCH on top of the Junction Box to ON
position.
2. Turn on the AC switch between the inverter and the power
grid.
3. Set the PV SWITCH at the bottom of the inverter to ON
position.
4. Observe the LED to check the inverter operating status.
• PROCEDURE (OFF-GRID AND NO PV MODULE
CONFIGURED)
1. Set the BATTERY SWITCH on top of the Junction Box to ON
position.
2. Turn on the AC switch between the inverter and the power grid.
3. Set the PV SWITCH at the bottom of the inverter to ON
position.
4. After commissioning, press and hold for three seconds the
BATTERY ON/OFF button on top of the battery junction box.
5. Observe the LED to check the inverter operating status.
System Power-Off
Before installing, operating, and maintaining the equipment,
always disconnect it from all power.
• After the system powers off, the remaining electricity and heat
may still cause electric shocks and body burns. Therefore, put
on protective gloves and begin operating the equipment five
minutes after the power-off.
1. Send a shutdown command on the app.
2. Turn off the AC switch between the inverter and the power grid.
3. Set the PV SWITCH at the bottom of the inverter to OFF position.
4. (Optional) Secure the PV SWITCH with a lock to prevent
accidental startup. The lock is prepared by the customer.
5. Set the BATTERY SWITCH on top of the Junction Box to OFF
position.
6. (Optional) Secure the BATTERY SWITCH with a lock to
prevent accidental startup. The lock is prepared by the
customer.
7. Press and hold the BATTERY ON/OFF button of the junction
box for 10 seconds, until the indicator is off.
8. Sequentially disconnect GRID cables, PV input cables, battery
cables, communication cables and all modules connecting to
the system.
LED Indicators
On
Blinking
Off
• ECOFLOW POWEROCEAN HYBRID INVERTER
Status
on 1s
Standby / Startup / Self-check / Over-the-air
updates / Alarm, system is still operating
off 1s
Operating in grid-tied/backup mode
EPO shutdown / Fault, system cannot work
• ECOFLOW POWEROCEAN BATTERY JUNCTION BOX
Charge Status
Discharge Status
Over-the-air Updates Status
Faulty Status
Carousel white
Description
Description
0-25%
25-50%
50-75%
75-99%
100%
Description
<5%
5-25%
25-50%
50-75%
75-100%
Description
Over-the-air update is in
progress
Description
Electrical connection is faulty
Communication is faulty
Battery is faulty
Battery junction box is faulty
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