ABB ACS580MV Hardware Manual page 18

18 Operation principle and hardware description
OFF position: as soon as three isolation switches are all open, the switch can be adjusted
to OFF position. In OFF position, three isolation switches cannot be operated anymore.
Operation position: in case of VFD mode (QS1 and QS2 are closed, QS3 is open) or
bypass mode (QS1 and QS2 are open, QS3 is closed), the switch can be adjusted to
operation position. In operation position, three isolation switches cannot be operated
anymore.
The 3 switches cannot be adjusted when the MCB is in close position.
How to operate the position mode selector:
•
Pull the selector handle out
•
Turn the handle to wanted position: OFF, Operation or Change
How to operation the 2pcs electro-magnetic locks:
•
Push the red round button located in the front of the electro-magnetic lock;
•
At the same time pull the small handle out;
•
Release the red round button located in the front of the electro-magnetic lock;
•
Push the red square button down to lock the handle in the open position;
Then the isolation switch status can be changed. Remember to release the electro-
magnetic lock handle when the change is finished.
The front button can't be pushed more than 5S.