Critical PowerModifications reserved Page 59/91GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx User Manual TLE Series 160 - 500 UL S2B2. Close “Q1 - UPS Output switch” (Pos. I).• The Load is supplied by the Utility through the Automatic Bypass.• Rectifier starts automatically.LED 1 (Rectifier) blinking, indicates Soft-start.• At the end of Rectifier Soft-start the LED 1 (Rectifier) remains lit.The Synoptic Diagram must display the status“LOAD SUPPLIED BY AUTOMATIC BYPASS”.NOTE !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)!Attention: check the right DC polarities on both side of the switch/fuse holder!3. Connect the Battery to the UPS by closing the“External Battery Protections” and close, if present,the “CB3 – External Battery switch” (option).NOTE !Before performing the next procedure (4) make sure that the LED 3 (Booster/Batterycharger) is lit.4. Insert the Inverter performing the command "Inverter ON".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.• The Load is automatically transferred from Automatic Bypass to Inverter.• LED ALARM turns Off and the LED LOAD PROTECTED must be lit.The Synoptic Diagram must display the status“LOAD SUPPLIED BY INVERTER”.5. Operation mode selection.TLE Series 160 - 500 is delivered normally selected for permanent VFI operation.If available, the eBoost™ Operation Mode can be enabled and the eBoost Start Time & eBoost Stop Time canbe programmed for each day of the week (see Section 6.4 SETUP / eBoost).END OF PROCEDURENOTE !The Battery must be charged for at least 10 hours, in order to ensure the full backupruntime in case of a Utility Failure.