Emerson Liebert APS Bedienungsanleitung PDF herunterladen (Seite 21)

Operation

17 Liebert

APS

™

MBC

3.4 Transfer of the System from Maintenance Bypass to UPS

To transfer to UPS from maintenance bypass:

1. Close the UPS input and output breaker on the Liebert APS.

2. Close the UPS input breaker on the front of the Liebert APS MBC.

3. Start the Liebert APS according to its user manual and leave it in internal bypass mode.

4. Verify that the UPS Indicator (green) on the Liebert APS MBC is illuminated. If the UPS

Indicator does not illuminate, do not proceed and refer to 4.0 - Troubleshooting.

5. If the UPS Indicator is illuminated, transfer the rotary maintenance bypass switch from Bypass

to UPS.

6. Transfer the Liebert APS from internal bypass to inverter.

7. Conditioned power is now being supplied through the UPS.

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Emerson Liebert APS Bedienungsanleitung Seite 21