Critical PowerModifications reserved Page 88/92GE_UPS_USM_TLE_SUL_M62_1M0_2US_V010.docx User Manual TLE Series 625 - 750 - 1000 UL S2NOTE !Ensure the LED 1 (Rectifier) is lit before carrying out this procedure.It indicates that the DC-link 1 and DC-link 2 has reached 400Vdc (see screen MEASURES /Rectifier)!3. Connect the Battery on all Units by closing the“External Battery Protections”.NOTE !Before performing the next procedure (4) make sure that the LED 3 (Booster/Batterycharger) is lit.4. Insert the Inverter performing the “Inverter ON” command on first unit.Perform the “Inverter ON” command from the screen:Commands 1 / Inverter / ON.• Soft-start of Inverter, indicated with blinking LED 2 (Inverter).• At the end of Soft-start the LED 2 (Inverter) remains lit.• In case of sufficient output power, the output will transfer to Inverter.• LED ALARM turns Off and the LED LOAD PROTECTED must be lit.Synoptic diagram of first unit Synoptic diagram of other units5. Insert the Inverter performing the “Inverter ON” command on all other units.Do not start the next Inverter until the sequence of the previous ends.Perform the “Inverter ON” command from the screen:Commands 1 / Inverter / ON.• Soft-start of Inverter indicated with blinking LED 2 (Inverter).• At the end of Soft-start the LED 2 (Inverter) remains lit.• As soon as the output power of the Inverters is sufficient to supply the Load, the output of the units withrunning Inverter will transfer to Inverter.• LED ALARM turns Off and the LED LOAD PROTECTED must be lit.The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY INVERTER”.Synoptic diagram of first unit Synoptic diagram of other unitsEND OF PROCEDURE