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The transfer itch logic can disabled even hen the selector set ‘Autom atic .
It can disabled by:
- opening the enabling’ contact described below. The gen set shut and the transfer
sw itch disabled.
N OFF
In this position, both the and ergency line irc breakers are forced to
open and the gen set start-up com and disabled. ever use this selector sitio trip the
c irc breakers could dangerous. operate them anually, the pow causes them to
return the pre-established state. oreover, this does not depend
on hether not the line powered.
Gen-Set START
In this position, irc breakers are kept open and the gen set started up
w hether the line pow ered not. Thus the circuit breakers can operated anually
in safety.
W ith the selector set tic’ and gic disabled, the ATS010 does not send
any open/close commands the irc breakers irrespective hether the pow er
comes fro the line the gen set. This useful hen perfo maintenance the
emergency line the gen set (in these cases suggest echanically ck
the emergency line irc breaker the open position).
N N
In this sitio the ergency line irc breaker forced open and the orm al
line irc breaker forced close.
This selector sitio ensures that the emergency line ill not close and the gen set
w ill not start up. ever use this selector sitio trip the
c irc breakers could dangerous.
W arning: under such conditions, the open/close commands (to con tro coils or
m otor operators) are constantly pow ered that the irc breakers rem ain the
pre-established state.
W arning: under such conditions, the open/close commands (to con tro coils or
m otor operators) are constantly pow ered that the irc breakers rem ain the
pre-established state.
This selector sitio useful disconnect loads fro the pow er
source, example hen perfo plant maintenance (in these cases suggest
yo echanically the irc breakers the open position).
ABB SACE SACE ATS010 RH0202002 L2467.
- pressing the push button: the red indicates hen the logic
is disabled. operate them anually, the pow causes them to
return the pre-established state
