HP Performance Optimized Data Center (POD) 240a Manuale Utente
Power, electrical, and controls 25
Power, electrical, and controls
Site electrical system
To be sure that the POD solution is completely and safely integrated with your facility, HP requires that you
complete the following actions for the installed electrical system prior to the installation of the HP POD
complete the following actions for the installed electrical system prior to the installation of the HP POD
solution:
•
Short circuit analysis
•
Arc flash study
•
Circuit breaker coordination study
These actions must be performed for all associated parts of the electrical power train. The majority of the
details and factors that are required to complete these studies are associated with the existing installed
details and factors that are required to complete these studies are associated with the existing installed
facility infrastructure.
CAUTION:
Failure to complete these studies can cause serious issues with the electrical
integration of the POD into your electrical system.
Power safety
WARNING:
To avoid the risk of personal injury or loss of life, all personnel must comply with PPE
requirements when opening or working inside areas of the HP POD 240e NA that are marked as
hazardous voltage, per NFPA 70E in accordance with NEC (NA) and IEC (EMEA and APJ).
hazardous voltage, per NFPA 70E in accordance with NEC (NA) and IEC (EMEA and APJ).
Grounding and bonding
WARNING:
To avoid the risk of personal injury or electric shock, the HP POD 240e NA must be
properly earthed (grounded), and each of the individual sections must be bonded together per
NFPA 70 in accordance with NEC (NA) and IEC (EMEA and APJ).
The HP POD 240e NA must be properly earthed to be sure that a common return path for electric current
exists, limit the build-up of static electricity, and absorb an unlimited amount of current without changing its
exists, limit the build-up of static electricity, and absorb an unlimited amount of current without changing its
potential. To properly ground the HP POD 240e NA to the earth, you must connect the POD to building steel,
a ground rod, or a properly installed ground well that is connected to a building’s grounding system. The
grounding electrode conductor connection point is located on the cold aisle side adjacent to the power
cabinet.
A certified electrician must test and verify the HP POD 240e NA is properly grounded.
cabinet.
A certified electrician must test and verify the HP POD 240e NA is properly grounded.
Grounding
The HP POD 240e NA includes the following types of grounding.
Earth ground
Earth ground