S Series User Manual www.fox-ess.com P a g e | 17
Make sure all DC breakers and AC breakers are disconnected;
c) Ensure AC cable is connected to the grid correctly;
d) All PV panels are connected to inverter correctly; DC connectors that are not used should be sealed by cover;
e) Turn on the external AC and DC connectors;
f) Turn the DC switch to the “ON” position (if equipped with DC switch on the inverter).
If the LED is not green, please check the below:
- All the connections are correct.
- All the external disconnect switches are closed.
- The DC switch of the inverter is in the “ON” position.
Below are the three possible inverter states indicating that the inverter has started up successfully.
Waiting: Inverter is waiting to check the DC input voltage from panels is greater than 45V (lowest start-up voltage)
but less than 50V (lowest operating voltage), display will indicate the Waiting status and green LED will flash.
Checking: Inverter will check DC input environment automatically when DC input voltage from the PV panels exceeds
60V and PV panels have enough energy to start inverter, display will indicate the Checking status and green LED will
flash.
Normal: Inverter begins to operate normally with green light on. Meanwhile feedback energy to grid, LCD displays
present output power.
Note: You can go to the setting interface on the display to follow the instructions if it is the first time to start up.
Note!
Please set-up the inverter if it is the first time to start-up. The above steps are for the
regular start-up of the inverter. If it is the first time to start up the inverter, you need to
carry-out the initial set-up of the inverter.
Warning!
Power to the unit must be turned on only after installation work has been completed.
All electrical connections must be carried out by qualified personnel in accordance
with legislation in force in the country of installation.
5.10 Inverter Switch Off
Please follow the below steps to switch off the inverter:
a) Switch off the inverter AC isolation switch.
b) Switch off the DC isolation switch and allow 5 minutes for the inverter to power down completely.
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