www.irwinscienceeducation.com [email protected] Tel: 01376 340 506
www.irwinscienceeducation.com [email protected] Tel: 01376 340 506
TheIrwinPowerbaseS8isaheavy-dutypowersupplyoffering0-12Vacand0-12Vdc
outputsinapprox1Vsteps.Bothoutputsareselectedbyarotaryswitchandmaybe
usedsimultaneouslyuptoacombinedoutputcurrentof8A.
Thefrontpanelthreisaon/offswitch,fiveoutputsocketsforac,dcandearthanda
resetbutton.Theresetbuttonoperatesifthereisashortcircuitoroverloadonanyof
theoutputs.Shouldtheresetbuttonpopout,switchoffthesupply,rectifythefault,switch
onagainandpressthebuttonin.Pleasenotethatthebuttontakesabout5secondsto
resetandwillnotworkifpushedwithinthistime.
Please Note:
Theoffloadvoltagesarehigherthanmarkedonthedial.
Foraccurateoutputvoltagesasuitablevoltmeterormultimetershouldbeemployed.
Turnthedialtozero,connectyourloadandthendialuptherequiredvoltage.
Theunitalsoutilisesavoltagelimitlock,whichsetsthemaximumvoltageobtainable.
Tosetthelock,proceedasfollows:
•SlackenthelimitlockwiththeAllenkeysupplied
•Setthemaximumvoltagerequiredonthedial
•Rotatetheplasticdiscanti-clockwiseuntilthestudsitsagainsttheknobpointer
•Tightenthelimitlock
PAT testing
ThepowersupplyisclassifiedasClass1.
AsuitableearthbondtestpointisthevoltagelockAllenkeybolt.
Electromagnetic Compatibility
Theuseofthisapparatusoutsidetheclassroom,laboratory,studyareaorsimilarsuchplaceinvalidates
the conformity with the protection requirements of the Electromagnetic Conformity Directive
(89/336/EEC)andcouldleadtoprosecution.
IMPORTANT - ELECTRICAL SAFETY NOTICE
Connectiontomainselectricitysupply.Thisapparatusisdesignedtosafetyclass1.Before
connectingtothemainselectricitysupply,examinetheinformationontheapparatusrating
label.Ensurethatthemainssupplyissinglephasealternatingcurrent(a.c)offrequency
50Hzat230V,withneutralnominallyatearthpotential.
WARNING - THIS APPARATUS MUST BE EARTHED
YourIrwinproductshouldcomewithaplugwiththerecommendedfuserating.However
ifnotfittedconnectthewirestoanon-reversibleUK3pinplugasfollows:
Green/Yellowwiretotheterminalmarked:
E(Earth)colouredGreen/Yellow
Bluewiretoterminalmarked:
N(Neutral)orcolouredBlue
Brownwiretoterminalmarked:
L(Live)orcolouredBrown
LIVE PARTS SHOULD NEVER BE EXPOSED UNLESS THE APPARATUS HAVE BEEN SWITCHED OFF
AND ISOLATED FROM THE MAINS ELECTRICITY.
CORRESPONDENCE:
intheeventofanycorrespondenceconcerningthisapparatus,pleasecontactyoursupplyingagent
quotingtheircataloguenumberandserialnumbershowontheapparatus.Thiswillhelpusprocessyour
enquiryquickly.Anysparepartswhichmayberequiredaresuppliedontheunderstandingthatthe
replacementofthoserequiringtheexposureofliveelectricalconnectionswillbeundertakenbyan
electricallyqualifiedperson.
