Using The Ppdm; Disconnecting The Ups - Powerware Prestige 6000 Installation And Operator's Manual

Using the PPDM

The PPDM provides continuous online power for your equipment. With
the PPDM, you can replace or upgrade the PPU without losing power to
your equipment. Figure 18 shows the operation of the UPS with the
PPDM.

Disconnecting the UPS

Use the following procedure to transfer the critical load to Maintenance
Bypass (AC Line operation) and remove the PPU:
Powerware ® Prestige Series Installation and Operator's Manual for IBM Applications (6000 VA) Uncontrolled Copy
In
PPU
Out
Battery
Figure 18. UPS and PPDM Block Diagram
1. Turn the Bypass switch on the PPDM to the BYPASS position
(see Figure 19). The PPDM is now powering your equipment
from utility power.
2. Press and hold the Output
ceases (approximately three seconds). The
remains lit.
3. Switch the PPU input breaker to the OFF (O) position.

The UPS enters Battery mode for several seconds. The
indicator turns off and the UPS shuts down.
Utility
Power
PPDM
Battery
Off button until the long beep
UPS Operation
UPS Load

indicator
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