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CENTRIC User Guide, rel. 3.4
9.2
Returning the UPS to normal operation
To move the system from maintenance bypass mode to normal operation mode:
1.
Switch ON the battery circuit breaker.
2.
Switch ON the rectifier INPUT switch (the left-side switch on the UPS rear).
3.
Switch ON the UPS (refer to section
5.2.2.1).
4.
On the static switch panel (Figure 7) press the INV/BYP button twice to put the UPS into bypass
mode.
5.
Verify that the bypass indicator is lit on the controller.
6.
Switch ON the ac OUTPUT switch (the right-side switch).
7.
Switch OFF the MAINTENANCE BYPASS switch (the middle switch).
8.
On the controller front panel, press the INV/BYP button twice to put the UPS in inverter (normal)
mode.
9.
Verify that the green INV indicator is lit on the static switch panel.
The loads are now supplied by the UPS.
