Wiring Instructions For A Dc Power Supply Unit - Dell PowerEdge R530 Owner's Manual

Removing the cooling shroud
Removing the (optional) expansion-card riser
Installing the (optional) expansion-card riser
Installing the cooling shroud
Installing a non-redundant AC power supply (cabled)
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1. Ensure that you read the
2. Follow the procedure listed in
3. Remove the cooling shroud.
NOTE: If applicable, close the expansion-card latch on the cooling shroud to release the full
length card.
4. If applicable, disconnect the power or data cables from expansion card (s).
5. If applicable, remove the expansion-card riser
6. Keep the #2 Phillips screwdriver ready.
Steps
1. Unpack the new power supply.
2. Slide the new power supply into the power supply unit cage until the power supply is fully seated.
3. Tighten the screw to secure the power supply to the chassis.
4. Connect all the power cables to the system board and hard-drive backplane.
Next steps
1. If applicable, install the PCIe expansion-card riser.
2. If applicable, connect the required power or data cables to the expansion card(s).
3. Reinstall the cooling shroud.
4. If applicable open the expansion-card latch on the cooling shroud to secure the full length
expansion card.
5. Follow the procedure listed in

Wiring instructions for a DC power supply unit

Your system supports up to two –(48–60) V DC power supplies (when available).
WARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must
perform all connections to DC power and to safety grounds. Do not attempt connecting to DC
power or installing grounds yourself. All electrical wiring must comply with applicable local or
national codes and practices. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow all safety instructions that came with the product.
CAUTION: Wire the unit with copper only, unless otherwise specified, use only 10 American Wire
Gauge (AWG) wire rated minimum 90 ºC for source and return. Protect the –(48–60) V DC (1
wire) with a branch circuit over-current protection rated 50 A for DC with a high interrupt
current rating.
Safety instructions.
Before working inside your
After working inside your
system.
system.
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