Instruction Manual

3.4 Filling
Beforefillingthetank,disconnectthemainspowersupply.
Allowforthermalexpansionandcontractionoftheliquidandforanyliquidinexternal
circulationpaths.
DONOT SWITCHONbeforefillingthetank.
Switchthepoweronatthefrontoftherefrigerationunitandatthefrontofthe
Thermostatunit.Checkthatthedisplaylampisilluminated.
Insection4,areexamplesofsettinguptherefrigeratorandthethermostatunit.
Note:Waterfromadrinkingsourceanddeionisedwateraresuitableforuseinthe
circulators.However,someolderdeioniserscancreateconcentratedsaltsolutionsfora
shorttimeaftertheioniserisrejuvenated.Thissolutionshouldnotbeusedinthe
circulatorsasitmaycausecorrosion.
WARNING:Theequipmentmustbeearthed(grounded).Itisprotectedbyinternal
electricalfuses.Westronglyrecommendthatthepowersupplytoanyequipmentfor
heatingliquidsshouldincludearesidual-currentcircuitbreaker(earthleakagetrip).
Checkthatthevoltageratingoftheproducts,givenontheserialnumberplateatthe
powercableentry,iscorrectforyoursupply.
ToperformprogrammedcontrolfunctionsontheOptimarefrigerationunitsyourequire
eitheraGR150orGP200Optimathermostat. Alltherefrigerationunitscanbecontrolled
excepttheR1.
3.5 Switchingonandsettingup
-50to50ºC
Specifiedliquids
Temperaturerange
Watercanbeused,butcareshouldbetakenashotwatervapour
canbedangerous,usealid. Atthesetemperaturesthecontrolof
thetemperaturewillnotbeasaffectiveduetolocalisedboiling,
andtheremaybealargelossofwaterduetoevaporation.
Water,recommendedtemperaturerange
Usealidabove60ºCandbelow10ºC
80%water,20%antifreeze(inhibitedethyleneglycol)
WARNING- TOXIC:Followthemanufacturer'sinstructions
ForsafedisposalconsultyourlocalEnvironmentalHealthOffice
50%water,50%antifreeze(inhibitedethyleneglycol)
WARNING- TOXIC:Followthemanufacturer'sinstructions
ForsafedisposalconsultyourLocalEnvironmentalHealthOffice
Siliconeoil-lowviscosity(BayersiliconeM3)
ForsafedisposalconsultyourLocalEnvironmentalHealthOffice
+80to99.9ºC:
+5to80ºC:
0to30ºC:
-30to30ºC:
Page11
Lowtemperaturebath/circulator
Operatinginstructions
Version4-Jan2010