Electrical - HP Performance Optimized Datacenter 40c North America Maintenance And Service Manual

Electrical

Maintenance of the electrical components might require the following:
•
Expose personnel to high voltage.
•
Allow personnel to come into direct contact with high voltage.
•
Power down the POD during the execution of the maintenance item.
You must explicitly state and acknowledge if a POD power down will be possible. If a power down is not
possible, LLS inspections will be conducted and further action will be taken at your discretion.
Component to be inspected
Electrical connections
—
Grounding
—
—
—
—
Task
Use LLS to check for major
electrical connections (torque
marks, sizzle, and acrid odor):
•
Main/House Power Feeds
•
Busway End Feeds, Drop
Boxes (including cables and
cord caps)
•
Electrical panels, breakers,
and disconnects
POD SHUT DOWN REQUIRED
Conduct torque checks on the
following:
•
Main, house, and critical IT
power feeds
•
Electrical panels, breakers,
and disconnects
•
Busway end feeds, busway
sections, and drop box locking
mechanism (bolt)
Grounding system residence test
using the DUCTOR method
POD SHUT DOWN REQUIRED
Ground and grounding
connection/lug located internal to
each electrical panel torque test.
Clean and re-tighten as necessary.
Service entrance grounding
ground-rod/ground well and
grounding connection/lug located
external to the POD torque test.
Clean and re-tighten as necessary.
POD SHUT DOWN REQUIRED
Service entrance ground
connection/lug located on the
switchboard (or landing location)
torque test. Clean and re-tighten as
necessary.
Grounding system bonding
jumpers that connect racks to the
POD structure and rack to rack
torque test. Clean and re-tighten as
necessary.
Frequency Capable Party
Licensed electrician
Quarterly
Licensed electrician
Annually
Every 2 years Licensed electrician
Every 2 years Licensed electrician
Every 2 years Licensed electrician
Every 2 years Licensed electrician
Every 2 years Licensed electrician
Periodic maintenance 65