Installation Manual
Ingecon® Sun Three-Phase Inverter
Pg. 38 de 40
Ref.: AAS2000IKI02
Rev.:_ Dec-2009
8.6 Replacement of the Control Board
Control Board contains the software of the equipment. If it has to be removed, proceed
as follows:
Disconnect the equipment from the power grid and PV array.
Wait at least 10 minutes for the internal capacitance to discharge.
Check that there is no voltage in the equipment.
Open equipment door.
Remove electronics block protection.
Unscrew board anchorage.
Pull out the 64-way flat cable until the fastening clips close on the connector.
Extract the control board.
To connect a new control board, follow the same steps in inverse order.
8.7 Replacement of Varistors in Measure Boards
The varistor is connected in the 3-poles conector in pins 1 and 2 . Termical fuse connects
to pin 3.
The varistor must be connected in the following way:
• Test the continuity of the fuse with the varistor outside the board using a tester.
• Install the varistor on the board at the position 1-2 (varistor) and 2-3 (fuse).
If varistor is placed changing the correct connection of pins, it will be destroyed
Anchorages
Clips
Uper view of the board
right view of the board
varistor
Pin 1
Pin 2
Pin 3
Fuse
Connector to Pin 3
Transformadores
