Installing A New Dc Power Supply; Replacing An Ac Power Supply - Dell Z9000 Manual

NOTE: The system powers up as soon as the cables are connected between the power supply and
the power source.

Installing a New DC Power Supply

NOTE: The PSU slides into the slot smoothly. Do not force the PSU into a slot as this action may
damage the PSU or the chassis.
Figure 6. Illustration of installing a new DC Power Supply
1. PSU1
2. Grab Handle
To install a new DC power supply, follow these steps.
1. Take the PSU out of the shipping box.
2. Remove the small plastic cover over the DC cable connectors. Do not throw away the cover as you
will replace it when you complete the installation.
3. Ensure that the DC power source is turned OFF.
4. Use the grab handle to slide the PSU into the power supply bay.
5. Tighten the securing screw on the side of the PSU. Ensure that the PSU is secure.
6. Attach the power cables.
7. Replace the small plastic cover over the DC cable connectors.
8. Turn the DC power source ON.

Replacing an AC Power Supply

To replace a power supply, follow these steps.
NOTE: The PSU slides into the slot smoothly. Do not force a PSU into a slot as this action may
damage the PSU or the Z9000 chassis.
Power Supplies
3. DC Cable Connectors
4. Securing Screw
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