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C
R2032 battery replacement
The replacement of the battery should be performed only by trained personnel.
The CR2032 battery housing a05 is located on the inverter connection board and is visible after opening the
inverter cover. When this battery is at end-of-life, a message is displayed informing that the battery needs to
be replaced.
•
Insert the new battery into its holder, sliding in at a 30° angle.
•
The battery should seat into the correct position within the holder.
•
Close the front cover and tighten the cover screws with at least 2.0Nm (17.7
in-lbs) torque to maintain Nema 4X compliance when complete.
I
nstalling a replacement inverter chassis
The inverter chassis is designed as a removable unit that can be detached from the switchbox for replacement
without dismounting the installed switchbox.
This section assumes the unit has been physically mounted in its final location, and the inverter has been
previously wired and connected to the PV array and the AC grid.
To prevent electrocution hazards, this operation must be carried out with the DC disconnect
switch (06) turned to the OFF position and locked out and the external AC disconnect switch
downstream of the inverter (grid side) open and locked out.
•
Disconnect from the AC grid by one of the following methods:
a. Turn-OFF the external AC switch (if any)
b. Turn-OFF the Over Current Protection Device (circuit breaker)
•
Disconnect the inverter from the PV array by turning OFF the external DC disconnect switch.
To avoid the risk of electric shock from energy stored in capacitors, wait at least ten minutes
after disconnecting both AC and DC sides before opening the front panels.
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6 - Maintenance
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