APC Smart-UPS VT User Manual
Page 16
Operation – Operation Procedures
10
Smart-UPS® VT 10-40 kVA 400V, 208V, 200V – Operation
990-2282A-001
How to turn into normal operation
Single System – turning into normal operation from internal bypass.
Single System – turning into normal operation from external bypass.
Caution
Never attempt to switch back the UPS into normal operation till you have verified that there
are no internal UPS faults.
Check that the UPS is in bypass. The green
(
LOAD ON
) and the yellow (
BYPASS
) LEDs are
lit.
Turn the mechanical bypass lever downwards
into a horizontal position to deactivate the
internal bypass operation.
Press
ESC
to return to the previous menus and
turn out of bypass from the display via
Control–UPS out of bypass–Yes, UPS out
of bypass.
Check that the UPS is in normal operation.
The yellow (
BYPASS
) LED turns off and the
green (
LOAD ON
) LED remains lit.
Caution
Never attempt to switch back the UPS into normal operation till you have verified that there
are no internal UPS faults.
From the external MBP: Turn the output
switch (
Q002
) to position “1”
(ON)
.
From the UPS: Check that the yellow
(
BYPASS
) LED is lit and the green (
LOAD
ON
) LED is lit.
From the external MBP: Turn the bypass
switch (
Q003
) to position “0”
(OFF)
.
From the UPS: Turn out of bypass from the
display via Control–UPS out of bypass–
Yes, UPS out of bypass.
From the UPS: Check that the UPS is in
normal operation. The yellow (
BYPASS
)
LED turns off and the green (
LOAD ON
) LED
remains lit.