Instruction manual for the bypass system of the POWERLINE 33 60-140 kVA UPS units
2016-01-18 05:42
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6
SWITCHING FROM THE MAINS POWER LINE TO THE UPS POWER
Follow this procedure to switch the isolated mains-powered network (Fig. 1) to the
UPS power:
1. Make sure that the UPS has been powered off on the logical level.
2. Turn on the switch fuse Fm on the UPS input line (also turn on Fb if the UPS has
a separate BYPASS line option).
3. Wait until the UPS indicates that the connected receivers are powered via the
internal bypass with the red LED
– STANDBY mode.
4. Turn on the switch disconnector Qout on the UPS output line.
5. Turn off the switch fuse Fsb on the bypass line.
6. Turn off the switch disconnector Qsb on the bypass line.
7. Turn on the UPS. To do this, go in the interface to: Menu -> Control -> UPS ->On
(the UPS will be powered on on the logical level)
– red LED goes off MAINS
mode.
CAUTION!
Once the procedure for restoring the UPS power has been
completed, secure the disconnectors and fuses on the external bypass
line from inadvertent switching on by unauthorised personnel.
Summary of Contents for POWERLINE 60-33
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