APC Smart-UPS VT User Manual
Page 22

Operation – Operation Procedures
16
Smart-UPS® VT 10-40 kVA 400V, 208V, 200V – Operation
990-2282A-001
How to perform a total power off
Total power off – single system without MBP.
Check that the load is
OFF
.
From the UPS: Turn
OFF
the UPS from the
display via Control–Turn Load Off –Yes,
Turn Load Off.
From the XR Enclosure(s) (if available): Set
the DC disconnect switch to the
OFF
position.
From the UPS: Disconnect the batteries by
pulling them out to the red disconnect line
shown on each battery unit.
From the XR Enclosure(s) (if available):
Disconnect the batteries by pulling them out to
the red disconnect line shown on each battery
unit.
Set the utility/mains breaker to the
OFF
or
LOCKED-OUT
position. If the UPS has dual
utility/mains supply, set both supplies to the
OFF
or
LOCKED-OUT
position.
Warning
WARNING!
The lockout procedures at utility/mains breaker must be followed. If necessary, install a
padlock.
XR Enclosure
UPS
Mains
breaker