4.
Press "Load Off" key on all UPS units.
Rectifier of all units are shut down.
WARNING!
The Battery remains connected to the UPS in case of configuration without External
Battery Breaker !
5.
Disconnect the Battery from all Units (only for UPS configuration without External Battery
Breaker).
Wait a minimum of 5 minutes for DC-Link Capacitors to discharge.
The Load is now powered from the Utility through External Maintenance Bypass.
WARNING!
It will take a minimum of 5 minutes for the DC capacitors to discharge
Open only the front door, do not open any other part of the UPS.
Modifications reserved
OPM_SGS_USM_M75_M75_2US_V010.doc
END OF PROCEDURE
User Manual SG Series 750 UL S2 & SG Series 750 T12 UL S2
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