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6. If present, turn to the OFF position (open) the
maintenance bypass switch Q1 on all frames
(The inverter is now unlocked on all modules)
7. The message “MAN BYP OPEN” will appear in
the event log of all modules.
8. Transfer the load from STATIC BYPASS to
INVERTER mode by means of one module
display or the general TFT display installed
on the frame.
Under the “COMMAND” menu select “LOAD
TO INVERTER” (If required, enter the pass-
word if the command is performed through
the TFT display).
LED indicators status on all modules Display on all modules
LED INDICATION COLOR SINGLE/DUAL INPUT FEED CONFIGURATION
Rectifier Green
Bypass Green
Load Green
Battery Green
The load is now supplied by the Inverter.
The load is now protected by the DPS 250s4 UPS.
12 MAINTENANCE BYPASS OPERATIONS
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