HP Performance Optimized Datacenter 240e North America (Adiabatic) Maintenance and Service Guide

Maintenance 44
Component to be inspected Task Frequency Capable party
—
POD shutdown required
Conduct torque checks on the
following:
•
Main, critical IT, house, and
mechanical cooling power
feeds
•
Electrical panels, breakers,
and disconnects
•
Busway end feeds and drop
box locking mechanism (bolt)
Annually
Licensed electrician
Grounding
Test grounding system resistance
with the ductor method.
Every 2 years Licensed electrician
—
POD shutdown required
Test the torque of the ground and
grounding connection/lug located
internal of each electrical panel.
Clean and re-tighten as needed.
Every 2 years Licensed electrician
—
Test the torque of the service
entrance grounding
ground-rod/ground well and
grounding connection/lug located
external on the POD. Clean and
re-tighten as needed.
Every 2 years Licensed electrician
—
POD shutdown required
Test the torque of the service
entrance ground connection/lug
located on switchboard (or
landing location). Clean and
re-tighten as needed.
Every 2 years Licensed electrician
Rack bonding
Test the torque of the grounding
system bonding jumpers that
connect racks to the POD structure
and rack to rack. Clean and
re-tighten as needed.
Every 2 years Licensed electrician
POD section bonding
Visually inspect internal
grounding/bonding connections
between the IT-A, hot aisle, and
IT-B sections. Clean and re-tighten
as necessary.
Quarterly Licensed electrician/
Qualified personnel
Circuit breakers
Test the operational panel breaker
(open and shut).
Annually Licensed electrician
—
LLS inspection of the following:
•
Breakers
•
Disconnects
•
Motor starters
•
Fuse holders
Quarterly
Licensed electrician/
Qualified personnel
—
Test the breaker faults for all
breakers ≥ 250AF.
Every 3 years 3rd party Testing
facility