Lenovo System x3550 M4

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Figure167.Powersupplyremoval

Ifyouareinstructedtoreturnthepowersupply,followallpackaginginstructions,anduseanypackaging

materialsforshippingthataresuppliedtoyou.

Removingahot-swapdcpowersupply

Usethisinformationtoremoveahot-swapdcpowersupply.

Whenyouremoveorinstallahot-swapdcpowersupply,observethefollowingprecautions.

Statement29

CAUTION:Thisequipmentisdesignedtopermittheconnectionoftheearthedconductorofthedcsupply

circuittotheearthingconductorattheequipment.

Thisequipmentisdesignedtopermittheconnectionoftheearthedconductorofthedcsupplycircuittothe

earthingconductorattheequipment.Ifthisconnectionismade,allofthefollowingconditionsmustbemet:

•Thisequipmentshallbeconnecteddirectlytothedcsupplysystemearthingelectrodeconductorortoa

bondingjumperfromanearthingterminalbarorbustowhichthedcsupplysystemearthingelectrode

conductorisconnected.

•Thisequipmentshallbelocatedinthesameimmediatearea(suchas,adjacentcabinets)asanyother

equipmentthathasaconnectionbetweentheearthedconductorofthesamedcsupplycircuitandthe

earthingconductor,andalsothepointofearthingofthedcsystem.Thedcsystemshallnotbeearthed

elsewhere.

•Thedcsupplysourceshallbelocatedwithinthesamepremisesasthisequipment.

•Switchingordisconnectingdevicesshallnotbeintheearthedcircuitconductorbetweenthedcsource

andthepointofconnectionoftheearthingelectrodeconductor.

Statement31

248Systemx3550M4InstallationandServiceGuide

Lenovo System x3550 M4 - Page 262