APC VT Power Supply User Manual


 
Operation – Operation Procedures
990-2282A-001 Smart-UPS® VT 10-40 kVA 400V, 208V, 200V – Operation 17
Total power off – single system with MBP.
Total power off – parallel system.
For details on how to remove Battery Locks (if available) see the section How to remove
and install battery locks (if available).
Check that the load is OFF.
From the UPS: Turn load OFF the UPS from
the display via Control–Turn Load off–Yes,
turn Load off.
From the external MBP: Turn the output
switch
(Q002) to position “0” (OFF).
From the external MBP: Turn the input switch
(Q001) to position “0” (OFF).
From the XR Enclosure(s) (if available): Set
the DC disconnect switch (if available) on the
XR Enclosure(s) to the
OFF position.
From the UPS: Disconnect the batteries in the
UPS by pulling them out to the red disconnect
line.
From the XR Enclosure(s) (if available):
Disconnect the batteries by pulling them out to
the red disconnect line.
Check that the load is OFF.
From the UPS: Turn load OFF each of the UPS
units from the display via ControlTurn
Load off–Yes, turn Load off.
From the external MBP: Turn the output
isolation breaker
(Q004) to position “0” (OFF).
From the external MBP: Turn all output
switches
(Q002) to position “0” (OFF).
From the external MBP: Turn all input
switches
(Q001) to position “0” (OFF).
From the XR Enclosure(s) (if available): Set
the DC disconnect switch (if available) to the
OFF position.
From the UPS: Disconnect the batteries in the
UPS units by pulling them out to the red
disconnect line.
From the XR Enclosure(s) (if available):
Disconnect the batteries on the UPS units by
pulling them out to the red disconnect line.