HP Performance Optimized Data Center (POD) 20cp manual Grounding requirements

Page 11

Grounding requirements

The HP POD 20c structure and internal components are all bonded together. A common grounding electrode conductor connection point is provided on the utility-end cold aisle.

WARNING: To avoid the risk of personal injury or electric shock, the HP POD 20c must be properly grounded (earthed) in accordance with national, regional, and local regulations.

The following is a list of component requirements for grounding and bonding:

•Grounding of the HP POD 20c must comply with the requirements of IEC 364 and any applicable national, regional, and local regulations.

•Bonding of the piping systems and any exposed structural steel installed to support the HP POD 20c must be in accordance with IEC 364 and any applicable national, regional, and local regulations.

Grounding feature

Specification

 

 

Earthing (grounding)

• The earthing (grounding) electrode conductor connection bus pad is located on the

electrode conductor

outside of the HP POD 20c on the hot aisle side of the utility end of the POD and

pad

below the transformer cabinet.

 

• The earthing (grounding) pad must be connected to the grounding electrode system

 

or building steel in accordance with IEC 364 or equivalent regulation.

 

 

Grounding lugs

• Grounding lugs cannot be attached to any painted surface.

 

• Grounding lugs must be compression-type 2-hole lugs and UL listed specifically for

 

grounding.

 

 

Earthing (grounding)

The customer must provide an effective earthing (grounding) system with a ground rod

rod system or ground

or a ground well.

well

 

IMPORTANT: Before installing the HP POD 20c, consult your local Authorities for applicable regulations and to review site-specific location guidelines. If needed, obtain any necessary permits.

The following figure shows the earthing (grounding) electrode conductor connection that is located on the cold aisle of the HP POD 20c.

Site requirements 11

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Contents Part Number March Edition AbstractPage Contents Appendix a HP site assessment About this document Safety and IEC complianceOverview Site preparation Site safety and securityFeature Specification Site assessmentOverall system capacities Electrical power capacities critical IT powerHP POD 20c capacities HP POD 20c capacity limitationsSite pad HP POD 20c weightDimensions and clearances Site requirementsSite requirements Future expansions Grounding requirements Front view shown UtilitiesHumidifier water supply Chilled water supply Requirement Location SpecificationDrainage Parameter Range Power infrastructure installationPiping materials Site electrical system Electrical power system configurationConnection portals Supported facility connectionsEnvironmental control system Additional POD connectionsEnd view shown HumidifierFire box HP POD 20c access controlFire, safety, and access notifications Demarcation box Supported facility connections Cold weather Areas prone to lightning or power surgesEnvironmental considerations Environmental risksZoning and permit requirements Site plan requirements and actionsCompleting a site assessment HP Site Preparation Drawing PackageSite planning HP POD 20c installationHP POD 20c storage requirements Assembly equipment locations DescriptionAdditional structures Appendix a HP site assessment HP POD 20c site assessment checklistUsed as the basis for the evaluation. The delivery path is Description Yes InitialInformation Customer responsibilities Description InitialPre-delivery tasks HP POD 20c site readiness checklistInstallation prerequisites Appendix B Preparing for deliveryChilled Water Supply Description Initial Description InitialGeneral Water Supply Description Initial General Description Initial Power Requirements Description InitialHP POD 20c regulatory compliance Safety and IEC complianceAppendix C Regulatory compliance notices Warranty information Safety and regulatory complianceGlossary Very early smoke detection apparatus Uninterruptible power systemDocumentation feedback Index Site assessment checklist 26 site padIndex
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