Vertiv Liebert S600E - UPS Shut-Down Procedures; Repo

USER MANUAL-S600E
59
S600E
4. Set internal maintenance bypass switch Q3 to off. Return the Q3 baffle to its original position, then fasten the
retaining screws.
5. Close the rectifier input switch Q1, wait for the rectifier to start-up.
6. Press the power button on the operator and display panel of the UP so that the UPS transfers to Inverter mode.
5.4 UPS Shut-down Procedures
Procedures For Completely Powering Down the UPS
In order to shut the UPS down completely and disconnect the power supply to the load, proceed as follows: All
power switches, isolating switches and breakers are switched to off, and the UPS no longer supplies power to the
load.
1. Press the power button on the display panel, the UPS will transfer to Bypass mode.
2. Unplug the REPO terminal at front of the UPS to deactivate the rectifier, inverter, static switch and battery.
3. If the UPS is equipped with an external battery, set the corresponding external battery switch to off.
4. Set the rectifier input switch Q1 and bypass input switch Q2 to off. At this point, all the internal power supplies are
deactivated and the LCD screen is switched off & also turn off Qm.
Procedures Shutting Down the UPS Completely While Maintaining Power To Load
The following procedures may be used to shut the UPS down completely are applicable for completely, while
maintaining the power supply to the load. Refer to the procedures in 5.3.4 .
5.5 REPO
The REPO port, located at rear of the UPS, is designed to switch off the UPS in the event of an emergency (such as
fire, flood). After unplugging the REPO terminal, the system will switch off the rectifier and inverter, and interrupt
the power supply to the load immediately (inverter and bypass output included), while the battery will stop charging
or discharging.
It
is
important
to
close
the
bypass
switch
(Q2)
before
opening
the
maintenance
bypass
switch;
otherwise
the
power
supply
to
the load will be interrupted.
The following procedures will interrupt the pow
er supply to the load, switching it off.
1.
Post a label on the AC input distribution line (generally at a distance from the UPS) to alert personnel that UPS
maintenance is in progress.
2. Wait 10 minutes for the internal DC bus capacitors to discharge. Then the UPS is completely shut down.
Neutral not
disconnected. Parts of the equipment might remain energized, representing a hazard during s
ervicing.
At this point, the load has transferred to UPS normal mode.
Hazardous voltages are still present on the battery terminals, even after the UPS has been shut down.
Warning: hazardous battery voltage