Tripp Lite SUDC Series Sequence Of Operation

SUDC Sequence Of Operation
The 30M/40M/60M suffix in the distribution center part number indicates an integral 3
breaker maintenance bypass in the bottom of the cabinet. The feature enables make-
before-break isolation of the UPS from the critical load for maintenance of the UPS.
The drawing illustrates power flow
and sequence of operation of the
bypass switch. It is important to
follow the procedure correctly
to avoid damaging the UPS or
dropping the critical load.
Put the UPS into bypass by
1
turning off the inverter (press the
red button then turn the manual
rotary switch to bypass on the
back of the UPS)
Using the Key, retract SW2 bolt
2
and close SW2
Using key, retract bolt and open SW3
3
Open SW1
4
The UPS is now in bypass. To return to normal operation, reverse the process.
Copyright © 2010 Tripp Lite. All trademarks are the sole property of their respective owners.
SUDC208V42P30M,
SUDC208V42P40M
SUDC208V42P60M
& SUDC208V84P60M
1111 West 35th Street, Chicago, IL 60609 USA
773.869.1234 • www.tripplite.com
Out to
Panel
SW3
SW2
SW1
Input Panel
UPS
Output
input