Lenovo x3650 M4 BD 5466 - Page 208

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Figure121.Powersupplyremoval
Step5.Releasethelatchanduseotherhandtoprovidesupporttothepowersupplyasyoupullremaining
portionoutofthebay.
Step6.Ifyouareinstructedtoreturnthepowersupply,followallpackaginginstructions,anduseany
packagingmaterialsforshippingthataresuppliedtoyou.
Replacingahot-swapacpowersupply
Usethisinformationtoreplaceahot-swapacpowersupply.
Thefollowingitemsdescribethetypeofpowersupplythattheserversupportsandotherinformationthat
youmustconsiderwhenyouinstallapowersupply:
•Toconfirmthattheserversupportsthepowersupplythatyouareinstalling,see
http://www.lenovo.com/us/en/serverproven/.
•Theservercomesstandardwithone750-wattor900-watthot-swappowersupply.Theinputvoltage
is110Vacor220Vacauto-sensing.
Note:Youcannotmix110Vacand220Vac,or750-wattand900-wattpowersuppliesintheserver,it
isnotsupported.
•Thesepowersuppliesaredesignedforparalleloperation.Intheeventofapower-supplyfailure,the
redundantpowersupplycontinuestopowerthesystem.Theserversupportsamaximumoftwo
powersupplies.
•Theservercanrunfullyconfiguredwithonepowersupply.Forredundancysupport,youmustinstall
thesecondhot-swappowersupply.
Note:Youcannotmixhigh-efficiencyandnon-high-efficiencypowersuppliesintheserver.
Statement5
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
194LenovoSystemx3650M4BDInstallationandServiceGuide