GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
User Manual TLE Series 160 - 500 UL S2B
2. Close “Q1 - UPS Output switch” (Pos. I) on all Units.
• When closing “Q1 - UPS Output switch” on the last unit of the Parallel System, the Automatic Bypass of all
Units connects to the Load.
• Rectifiers start automatically, blinking LED 1 (Rectifier) indicates Soft-start.
• At the end of Rectifier Soft-start, the LED 1 (Rectifier) remains lit.
The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY AUTOMATIC BYPASS”.
Synoptic Diagram of first unit
Synoptic Diagram of other units
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 on all Units by closing the “External Battery Protections” and close, if
present, the “CB3 – External Battery switch” (option).
Synoptic Diagram of first unit
Synoptic Diagram of other units
NOTE !
Before performing the next procedure (4) make sure that the LED 3 (Booster/Battery
charger) 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 units
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