Salicru SLC CUBE 4 7.5 kVA Mode D'emploi page 132

8.3.3. Starting the UPS up again.
Turn off the input switch on the external board.
•
Turn off the device's bypass and input circuit breaker
•
tower format devices).
The device will power up in Standby mode and display the fol-
•
lowing warning:
Set the board's output switch to "On". Make sure the
•
warning has disappeared.
Set the UPS's output disconnector
•
format devices)
Activate the inverter:
•
CONTROL
Press the
ˆ
UPS ON/OFF
Press the
ˆ
The pop-up message
ˆ
the action by pressing the
"On"
The word
•
onds the device will synchronise with the rest of the system's
UPSs and change to line mode. The load will once again be
shared between all of the UPSs.
8.3.4. Moving the parallel system from line mode to
bypass mode.
To move the entire system from Line mode to Bypass mode, you
need to stop all of the inverters for each UPS, as follows:
CONTROL
Press the
•
UPS ON/OFF
Press the
•
The pop-up message
•
action by pressing the
the parallel system. Once you have done this for the final UPS,
all of the inverters will stop and the system will move to bypass
mode.
8.3.5. Moving the parallel system from bypass mode
to line mode.
To move the entire system from Bypass mode to Line mode, you
need to activate all of the inverters for each UPS, as follows:
CONTROL
Press the
•
UPS ON/OFF
Press the
•
The pop-up message
•
action by pressing the
the parallel system. All of the inverters will turn on and the
system will move to Line mode (after undergoing full synchro-
nisation) once you have performed this procedure for the last
UPS in the system.
132
<45> external output switch
(Q2) (only for tower
to the "On" position.
menu.
sub-menu.
Turn on UPS will appear. Confirm
"YES"
option.
will appear on the screen, and after a few sec-
menu for each UPS.
sub-menu.
Turn off UPS will appear. Confirm the
"YES"
option on each of the UPSs in
menu for each UPS.
sub-menu.
Turn on UPS
will appear. Confirm the
"YES"
option on each of the UPSs in
8.3.6. Moving the parallel system to maintenance
bypass.
The procedure to go from normal operation to maintenance bypass
(only for
is the same for single devices and parallel systems alike. The only
difference is that the parallel system will require a greater number
of individual actions:
open.
Move the entire system to static bypass mode, as described
•
<45>
in section 8.3.4.
Once you have verified that the entire system is in static by-
•
pass mode, unlock the manual bypass switch on the protection
board
switch to the "On" position.
If the protection board does not have a manual bypass switch,
•
remove the protective cover that acts as a mechanical lock on
the manual bypass switch (Q5), located at the back of each
device, and set it to the "On" position.
running.
The loads are supplied via the manual bypass and vulnerable to
•
any incidents in the supply network.
In devices with independent static bypass line, the bypass
ˆ
circuit breakers on the manual bypass board.
The input circuit breakers
ˆ
(Q4)
All of the input circuit breakers on the manual bypass
ˆ
board.
The output switches on the external control board.
ˆ
The output switches on each UPS
ˆ
format
The UPS or parallel system is now completely switched off and
inactive, and the loads will be supplied via the manual bypass on
the protection board or the manual bypass of the device(s).
8.3.7. Moving the parallel system from
maintenance bypass to normal mode.
The procedure to go from manual maintenance bypass to normal
operation is the same for single devices and parallel systems alike.
The only difference is that the parallel system will require a greater
number of individual actions:
Set the following circuit breakers to the "On" position, in the
•
following order:
All of the input circuit breakers on the manual bypass
ˆ
board.
The input circuit breakers
ˆ
devices)
(eventually for tower format devices)
CAUTION! Do not set any manual bypass switches
to the "On" position while the UPS's inverter(s) is/are
Set the following circuit breakers to the "Off" position,
in the following order:
(Q1) and bypass circuit breakers
(only for tower format
on each UPS
devices).
(Q1) (only for tower format
on each UPS.
and set the
devices).
(Q2) (only for tower
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