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2020-09-15
07:28:06
L1
231. 8
L2
0. 0
L3
0. 1
L1
0. 8
L2
0. 9
L3
0. 4
L1
0. 0%
L2
0. 0%
L3
0. 0%
Tot
0. 0%
Fig. 64.
Main screen with EPO emergency stop activated.
No power flow represented, there is no output
voltage.
3.
If it is necessary to completely stop the UPS at this
point, proceed in the same way as
a.
Set the switch corresponding to the UPS output on the
control panel (external) to "Off".
b.
Set the output switch of the UPS to "Off"
(Q2).
c.
Disconnect the batteries.
d.
Set the UPS input switch on the control panel to "Off".
If there is a separate bypass line for the UPS, also set
that switch to "Off".
e.
The unit will stop completely.
f.
If possible, cut off the general power supply to the con-
trol panel.
g.
Set the input switch of the UPS to "Off"
(Q1)
.
h.
In units with a separate static bypass input, set the cor-
responding bypass switch to "Off"
(Q4)
.
6.4.2. System restoration after an emergency stop (EPO).
1.
If the system is completely stopped (all UPS and external
control panel switches set to "Off", open EPO circuit or re-
mote button activated):
a.
"Close" the circuit on the strip EPO
: replace the
wire bridge, or set the remote button that replaced this
bridge to "Off".
b.
From here, proceed as described in
start-up procedure (normal mode)."
, and ignore the fol-
lowing steps described in this section.
2.
If the UPS is powered (the UPS and external control panel
switches required for normal operation are set to "On", the
batteries are connected), but the EPO circuit is open or the
remote button is activated: the UPS will be powered, the
"Emergency Stop" alarm will be present, all converters will
be stopped and no voltage will be supplied to the loads. To
restore normal operation:
a.
"Close" the circuit on the strip EPO
: replace the
wire bridge, or set the remote button that replaced this
bridge to "Off".
b.
Press the "Status and Control" icon
You
are on the screen described in
c.
Verify that the UPS status still indicates that there
is no voltage supplied at the Output.
UPS Output Off
d.
Press the "Start/Stop UPS" icon
e.
The "UPS Control" pop-up box appears, with the
"Start" and "Stop" options. Press "Stop".
Fig. 65.
"UPS Control" pop-up window. Press "Stop".
f.
Critical loads are still not supplied, but the UPS is
already in stand-by or initial state, without critical
alarms. Check that “Emergency Power Off” alarm
has disappeared, and the UPS Status is “UPS ON
/ Stand-By”
. The unit synoptic still corresponds to
(unit stopped, no active energy Flow).
UPS ON / Stand-by
g.
Press the "Status and Control" icon
You
are on the screen described in
.
h.
Press the "Start/Stop UPS" icon
i.
The "UPS Control" pop-up box appears, with the
"Start" and "Stop" options. Press “Start”.
Fig. 66.
"UPS Control" pop-up window. Press “Start”.
j.
Check the start-up phases in "UPS Status" ("Status
and Control" submenu, see
), and check that the
final status "UPS Running" is reached
.
The system goes back to operating in normal mode,
and the loads are protected by the UPS against dis-
turbances and potential supply interruptions.
SLC CUBE4
- UNINTERRUPTIBLE POWER SUPPLY SYSTEM
-
USER MANUAL
