MegaFlex 1000 to 1600 UPS User Manual / REV-A
2. Close the “Q1 – External UPS Output Circuit Breaker” (Pos. I) on all Units.
• LED ALARM and Acoustical Alarm are activated.
3. Confirm the closure of the “Q1 – External UPS Output Circuit Breaker” (Pos. I) on all Units.
Perform the “Q1 Status CONFIRM” command from
the screen:
Commands 3 / Q1 status / CONFIRM.
• LED ALARM and Acoustical Alarm turn OFF .
• When confirm the closing “Q1 – External UPS Output Circuit Breaker” on the last unit of the
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
Ensure the LED 1 (Rectifier) is lit before carrying out this procedure (3).
It indicates that the DC-link 1 and DC-
link 2 has reached 400Vdc (see screen MEASURES /
Rectifier)!
Verify the right DC polarities on both side of the switch/fuse holder!
4. Connect the Battery to all Units by closing the “External Battery Breaker” (Pos. I).
Synoptic Diagram of first unit
Synoptic Diagram of other units
Before performing the next procedure (5) make sure that the LED 3 (Booster/Battery charger)
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