Disconnecting The Charging Circuit From The Main Circuit - ABB ACS880-77CC Hardware Manual

Wind turbine converters
Table of Contents

Advertisement

18 Safety instructions

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
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
16).
2b
Opening

Advertisement

Table of Contents
loading

Table of Contents