ABB Zenith ZBTS T Series, Installation And Operating Instruction, Page: 38 / 112

38 Zenith ZBTS T-series 100-1200A, I N S TA LL ATI O N A N D O PER ATI N G I N S TR U C TI O N
1
—
Fig. 3.24 The Racking enabled -alarm is also displayed
in the HMI of ATS
4 The arrow shows the locations of the
switch, also the HMI of the switch
shows this, see pictures Fig. 3.28 and
Fig. 3.29.
- Connected
- Test
- Isolated
—
Fig. 3.25 The arrow shows the locations of the
switch in the Racking in/out mechanism
5 Insert the Racking in/out tool to the
hole (5a) and rotate counterclockwise
until button returns. It is a sign that
next location has been reached and in
this case it is “test” (5b).
3.4.2 How to use the Draw-out
Mechanism to rack out the Switch
This guide applies to switches with a
draw-out mechanism. At the beginning of
this procedure, the switch is in the Con-
nected location. See pictures Fig. 3.28 and
Fig. 3.29.
1 Open the cover of the Racking in/out
mechanism .
2 Take the Racking in/out tool, which is
located default on the lower switch
Racking in/out mechanism .
—
Fig. 3.23 Overview of the Racking out mechanism
NOTE! Before operations make sure that
Bypass switch is connected to the load, if
the ATS is to be taken for maintenance.
ATS switch must be in OFF-position.
3 Push the Racking in/out mechanism
button.
NOTE! This button prevents the I-O-II con-
trol of the racking in/out switch. It also
activates the Racking enabled -alarm in
ATS; The alarm is also displayed in the HMI
of ATS, see Fig. 3.24.
1
2 3
5a 5b
—
Fig. 3.26 Transferring to the Test location
Switch in O position
- - -
Load Current
.... A
05:11
G
Switch Overview
S1 p Ok Ok S2
Racking Enabled
TruONE ATS