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Disconnecting the charging circuit from the main circuit
WARNING!
If you are not a qualified electrician, do not proceed.
1.
Make sure that you have opened the main circuit breaker (Q1). See section
and disconnecting the main circuit breaker (page 16)
2.
In the upper part of the main circuit breaker cubicle, turn the charging circuit switch
(Q10) from ON position (2a) to the OFF position (2b).
3.
Lock the charging circuit switch to the OFF position with a padlock. Stow the key(s) in
a safe place.
4.
Write your name, phone number and the date to the “Do not switch on. Men at work”
warning sign and hang the warning sign to the charging circuit switch.
2a
3
3
2b
18 Safety instructions
3
Summary of Contents for ACS880-77CC
Page 1: ...ABB WIND TURBINE CONVERTERS ACS880 77CC wind turbine converters Hardware manual...
Page 2: ......
Page 4: ......
Page 10: ...10...
Page 17: ...5 1 3 4 6 8 7 2 Safety instructions 17...
Page 22: ...22...
Page 40: ...40...
Page 60: ...60...
Page 73: ...2a 3b 4c 5 Air flow direction is towards the converter module Maintenance 73...
Page 104: ...104...
Page 108: ...Description CAN bus connection XCAN XCAN 108 BCU x5 control unit...
Page 112: ...112 Dimension drawings...
Page 113: ...Dimension drawings 113...
Page 114: ...114 Dimension drawings...
Page 126: ...126...