Fisher Scientific 11-718 User manual

INSTRUCnONS
FISHERDRYBATHINCUBATORS
Capacities:
11-718
11-718-2
11-718-4
11-718-6
11-718-8
1Block
2Blocks
3Blocks
4Blocks
6Blocks
CatalogNos.11-718
11-718-2
11-718-4
11-718-8
11-718-8
FisherDryBathIncubatorsprovidecontrolledheatfora
widevarietyofclinicalandgeneralchemistryapplications.
Theyoperatethrougha temperaturerangefromsligjttly
overambientto130C.Thevariotismodelscan
accommodate1,2,3,4,or6 dryblocks.Eachimitis
controlledbytwoadjustablethermostats,onefor
operationuptoabout60C,andtheotherforupto130
C.A fully-insulatedpad-typeheatingelementisbonded
direct^totheentireundersideofthedryblocksupport
platetoprovideevenheatdistribution.Thesupport
plateismadefromaltmiinumforrapidheattransfer.
Eachmodelisdesignedtobeusedwithanyofei|^t
differentaccessorydryblocks.(SeetheAccessories
Sectionfora listing,ofcatalognumbers).Blocksare
madefromsolidaluminumwitha blackanodizedfinish.
Eachblockismarkedsothateverywellcanbeidentified.
Dryblockscanhandlea variety oftubesfrom1.5ml
microcentrifugetubesto25imndiametertubes.Allof
theseaccessorydryblocksareinterchangeable.
Typicalapplicationsforthesedrybathsinclude
incubation,ctiltureinactivations,enzymereactions,
meltingandboilingpoints,andmanyotherprocedures
thatrequirecontroUedheat.
PerfomianceCharacteristics
TemperatureRange:SlightlyAbove
Ambientto130C
Note:Tolerancesontemperaturerangesare
approximately-5to+10C.Maximtunattainable
temperaturemayexceed140C.
Uniformity:* -t-or- 0.5C
*Variation,ata giventime,ofa sampletemperature
fromtheaverageofallsampletemperattu'eswithina
dryblock(at37C).Temperaturevariationbetween
blocksmayexceedthisspec.
PowerRequirements:
11-718115V,50/60Hz,90Watts
11=718-2115V,50/60Hz,180Watts
11-718-4115V,50/60Hz,270Watts
11-718-6115V,60/60Hz,360Watts
11-718-8116V,50/60Hz,540Watts
PhysicalData:
11-7189inX 8inX 3.6in4.6lbs
11-718-29inX8inX3.5in4.7lbs
11-718-49inX llinX 3.5in5.8lbs
11-718-612.5inX8.5inX3.5in8.1lbs
11-718-812.6inX llinX 3.5in7.4lbs,
Unpacking
TheseDryBathIncubatorsareshippedina sin^ecarton,
complete^assembled.Eachissuppliedwiththismantial,
awarrantycard,anda DryBlockHandle(forhandling
ormovingdryblocks).Thewarrantycardshouldbe
completedandretumedassoonaspossible.Incases
whereshippingdamageisobserved,keeptheunitand
cartonintact,includingthepackagingmaterials,andfile
aclaimwiththefinalcarrier.
Note;Becauseofthewidevarietyofapplicationsand
sampleblockdesigns,dryblocksarenotincludedwith
drybaths.Theusermustselectandordertheblocks
thatbestsuittheptirticularapplication.
OPERATION
Efichdrybathisequippedwithtwotemperaturecontrols
(thermostats),a selectorswitch,anda red-lensedlamp
whichindicatesheateroperation.Thelampcomeson
whenthecontrollingthermostat,asselectedbythe
switch,closestosupplypowertotheheater.Oncethe
drybathreachesthennalequilibrium,the(yclingofthe
lamp, andtheheater,shouldcontinueona regular, basis.
Incaseofa malfunction,suchasa heaterfailureor
thermostatstuckintheclosedposition,thelampwill
remain OIL Shouldthethermostatfailwiththecontacts
open,theli^twiUremainoff.
1. Placetheimitona flat,levelsurface,inanareafree
ofdrailsandtemperaturechanges.(Note;Draftsand
ambienttemperaturechangeswilladverselyaffect
temperattureconstancyanduniformity.)

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2. Makesurethatbathcavityisfreeofforeignmatter,
thenplaceemptydryblock(s)intobathcavity.
3. Connectunittoanappropriate,grotmdedpower
sourceasspecifiedontheunit'sdataplate.
4. Insertanimmersiontypethermometer,graduatedto
thedesiredtemperaturerange,intothethermometer
wellinthediyblock.Note;Formoreprecise
measurements,thethermometercanbeplacedinto
thesampletubeora similartubeadjacenttothe
sampletube.
5. Setthethree-positionswitchattheappropriate
setting: liow"settingforambientto60C
"Hii^" settingfor60Cto130C
6.Ac^usttheappropriatetemperaturecontroltoa
settingthatapproximatesthedesiredtemperature.
Thefollowingcanbeusedasa generalguideline.On
theLowtemperaturecontrola settingof "0" willbe
ambient,"6"or'Tabout40C,and"10"about60C
OntheHi^temperaturecontrola settingof "0" will
heatsamplestoabout50C, "5" willheattoabout90
C,and "10" about130C.
7. Asthedrybathisheating,monitorthetemperature
readingonthethermometerandobservetheindicator
lamp. Ifthethermometerreadingexceedsthedesired
temperature,reducethetemperaturecontrolsetting.
Whenthelampcyclesonandoffatregularintervals
(or"flickers"),theunithasreachedequilibrium.Ifthe
drybathisnotatthedesiredtemperature,ac|jiistthe
temperaturecontrolintheappropriatedirection.
8.Oncethedrybathhasstabilizedatthedesired
temperature,samplesmaybeinsertedintotheblocks.
9.UsetheDryBlockHandletoremoveblocks.
BesurethattheDryBlockHandleissecurelyengaged
withtheblockbeforeliftingitfromthebath.-
CAUTION:
-Besuredrybathisconnectedtoonly
groundedpowersourcesoftheappropriate
voltage.
-Neverheatsamplesbeyondsafelevels.
-Ti^tlycappedsampletubesmayburstwhen
heated.
-UsetheDryBlockHandletomovethedry
blocks.
-TumtheSelectorSwitchtotheOffposition
andunplugunitwhennotinuse.
FORBESTRESULTS:
-UseDryBathIncubatorsinanareawitha constant
ambienttemperatureandnodrafts.
-Allsamplesshouldbeplacedinidenticaltubes,filled
toequallevelsnohigherthantopofblock.Allsiunple
tubesshouldbeplacedinidenticalblocks.
MAINTENANCE
Thesedrybathsrequirenoperiodicmaintenanceother
thanroutinecleaningwithmildcleaningproducts.Be
sureunitsaretmpluggedpriortocleaning.Neveruse
abrasivesorharshchemicalstocleanunits.Never
immersetinitsinliqtiidsorpourliqtiidsontothedry
blocksupportplate.
SERVICE
Itisrecommendedthatdrybathsbeservicedonlyfay
thosequalifiedininstrumentmaintenance.Serviceis
availableatanyoftheInstnmientServiceDistrictOffices
locatedthrou^outthecountry.Ifyouneedserviceor
serviceinformation,pleasecontacttheofficenearestto
yoiLTherepresentativestherecanissuea retum
authorizationnumber,if necessary. Emergency,on-site
servicecallsarenotcowered\mderthewarranty.
UnitDisassembly
WARNING:Unplugunitpriortodisassembly.
1. Loosensetscrewseuidremovetemperattirecontrol
knobs.
2. Tumtmitupside-downandremovefourscrews.
3. Removebasebyfirst liftingatrear,thenmoving
forwardtodeartemperaturecontrolstems.
4. Notetheroutingofwiresandthelocationofinsulation
sothattheunitcanbepropertyre-assembled.
5. Carefultyremoveinsulation.
ThermostatReplacement
1. (Optional)RemovescrewsthatattachHeaterBase
AssembtytotheTopCoverAssembly.
2. Observewiringconnections,thenremovetwowires
connectedtoappropriatethermostat.
3. Removefastenerholdingthermostatinplace,then
removethermostat.
4. Connectwirestonewthermostatandinstall.
5. Re-attachHeaterBaseAssemblyifithasbeen
removed.
6.Positionbaseontouiutandcheckalignmentof
thermostatshaftwithcenterofholeinfrontofbase.
Removebaseandrepositionthermostatasrequired,
thentightensecurely.
HeaterReplacement
1. Thebeaterispermanentlybondedtothedryblock
supportplate,andcanonlybereplacedasa pre-
assembledunit.Thisassemblyiscalleda HeaterBase
Assembly.
2. Removethefastenerswhichattachthethermostatsto
thedryblocksupportplate.
3. Removethefastenersthatattachthedryblock
supportplatetothedrybathtopcoverassembly.
4. Locateandremovethesplicesattheendoftheheater
leads.

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5. Cormectthenewheaterleads,makingsurethatthe
coimectionsaresecureandproperlyinsulated.
6.Attachthenewdryblocksupportplateand
thermostats(seeThermostatReplacementsection).
SelectorSwitchorIndicatorLampReplacement
1. Notewiringcoimectionsofdevicetobereplaced,then
removewires.
2. Squeezetabsthatholddeviceinplace,thenpushout
throughfrontofbase.
3. Installnewdeviceintoappropriateholeinbase.
4Reconnectwires.
Re-Assembly
ACCESSORIES
ItemCapacityCat.no.
DryBlock,24tubes,1.5ml11-718-9
DryBlock,30tubes,6mmdiameter11-718-10
DryBlock,20tubes,10mmdiameter11-718-12
DryBlock,20tubes,13mmdiameter11-718-14
DryBlock,12tubes,16mmdiameter11-718-16
DryBlock,8 tubes,20mmdiameter11-718-18
DryBlock,6 tubes,25mmdiameter11-718-20
DryBlock,Combination11-718-22
'6 tubes,6mmdiameter
5tubes,13mmdiameter
3tubes,25mmdiameter
1. Positioninsulationoverheater.
2. Makesurethatwireslu-eroutedsoasnottocomein
contactwithheater.
3. Properlypositionbase,checkingalignmentof
thermostatsasinThermostatReplacementsection.
4. Fastenbasetotopcover,andreplaceknobs.
ReplacementParts
ItemPartNundn*
Thermostat,LowTemp83310
Thermostat,Hi^Temp83311
SelectorSwitch83364
IndicatorLamp64057
DryBlockHandle83326
HeaterBaseAssemblyfor11-71883305
HeaterBaseAssemblyfor11-718-283306
HeaterBaseAssemblyfor11-718-483307
HeaterBaseAssemblyfor11-718-683308
HeaterBaseAssemblyfor11-718-883309
PartNo.83315
InstructionsforDryBathIncubators
Rev.A.(12/91)
FisherScientific
711ForbesAve
Pittsburgh,Pa.15219
1-800-388-8355
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SCHEMATIC