GE Industrial Solutions IEMi - Manual (Page 22)

5 SERVICE AND MAINTENANCE
WARNING !
All maintenance and service works must be performed by QUALIFIED SERVICE
PERSONNEL.
All maintenance activities to be done with IEMi Operation Mode disabled.
Always disable IEMi Operation Mode before Service, Maintenance or Shut-down of a UPS unit.
Note: the disable command is not propagated if Q1 of the unit is open!
Maintenance bypass transition via digital I/O (CIC card).
• Inverter ON (I) / Inverter OFF (O) via digital input are disabled when IEMi Operation Mode is enabled.
• An ‘IEMi Control’ input function is available to deactivate IEMi Mode Operation (route digital input to
all units).
• Once IEMi Operation Mode is deactivated, Inv ON/OFF via digital I/O is operational.
Note: all inverters started when IEMi Mode Operation goes disabled / inactive.
Modifications reserved Page 22/24
OPM_OPT_IEM_iXX_XXX_XGB_V010.doc User Manual IEMi - Intelligent Energy Management integrated