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Sera Soil Heating Set - Safety Precautions; Application and Application Range; Assembly Instruction and Operation; Laying the Heating Cable

Sera Soil Heating Set
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7
Thankyouforpurchasingthe>0=,>:4730,?492>0?.The>0=,
setissuitableforaquariumsupto250liters(66USgal.)orfor
anaquariumbottomareaupto120cmx50cm(48in.x20in.).
Thetemperatureofthe>0=, cableheater50Wiscontrolledby
acomputercontroller.Usingalowvoltagetransformer24VAC
makesthebottomheaterparticularlysafe,sincenohighvolt-
agescanoccurinthewater.Thebottomheaterisanadditional
heaterthatdoesnotreplaceanaquariumheater.
Manyplantsgrowandthrivebetterifthebottomground is
slightlywarmedtothe temperaturerequired byplant roots.
Bottomgroundaeration,nutrientsupplyfortheaquaticplants
and the biological pollutant breakdown within the bottom
groundareimproved.Rotzonesareprevented.Thebreakdown
oforganicmaterialdepositinginthebottomgroundisstrongly
acceleratedbyheat.The>0=,>:4730,?492>0? isdesignedfor
heatingtheaquariumbottomgroundevenlyandonalargearea,
withoutleadingtohightemperaturezones.Sincewarmwater
hasalowerdensitythancoldwater,itrisesupwardsfromthe
ground.Thisimprovesthecirculationofthewaterwithinthe
bottomground.Theproblemwithusinganaquariumheater
thermostatisthattheheatmustbedistributedbyapumppro-
vidingwatercurrents.Evenagoodflowpumpcanhardlyequal-
ize the temperature difference betweenbottomground and
water,especiallyincaseofveryfinesandorsimilarbottomma-
terial.Aheatinsulatingmatonlyreducesthetemperaturediffer-
encebutdoesnotentirelyequalizeit.
Whenusingthe>0=,>:4730,?492>0?,thebottomgroundis
heatedfirstbeforetheheatrisesupintotheupperwaterlayers
whereitiswelldistributedevenincaseoflowwatercurrents.
%&*#$'&"!%
Please be sure to read carefully!
H Theheatingcableissuitableonlyforoperationunderwater.
Operationwithoutwatercanleadtooverheating,shortcir-
cuitsandirreparabledamageoftheheatingcable.
H Thelengthoftheheatingcablecannotbeshortened.
H Donotlaythecableinsharpbends,norpulltheheating
cable.
H Donotmakeanyknotsintheheatingcable.
H Donotuseininsulatingmaterials!
;;74.,?4:9,9/,;;74.,?4:9=,920
The>0=,>:4730,?492>0? includesaflexibleheatingcablefor
heatingthebottomgroundinaquariums.Theheatingcableis
easytolayduetothehighflexibilityandtheincludedsuction
cups.
Ifyouuseseveralheatingsystems,pleaseconsiderthatthe
controlunitswitchesonandoffonlythe>0=, heater.Unlike
heatingcablesforterrariums,theheatingcableforaquariums
mustbeoperatedonlyunderwater.Comparedtoair,watercon-
ductsheatmorethan20timesbetter.The>0=,>:4730,?492>0?
isdesignedinawaythatitworksproperlyonlywithwaterasa
surroundingmediumtobeheatedwithoutoverheating.
4?49.7@/0>142
1.1 Lowvoltagetransformer24VAC
1.2 Computer controller for adjusting the desired bottom
groundtemperaturewithcurrenttemperaturedisplay
1.3 Siliconesafetycable
1.3.1 Connectioncable2.2m(7.2ft.)
1.3.2 Heatingcable6m(19.7ft.),50W
1.4 Probefortemperaturecontrolwith2m(6.6ft.)cable
1.5 10suctioncupsforsiliconeheatingcable
:8;:909?>142
2.1 Lowvoltagetransformer24VACwith
2.1.1 Coaxialpowerconnector(socket)
2.1.2 Mainspowercableandmainspowerplug
2.2 Computer controller for adjusting the desired bottom
groundtemperaturewithcurrenttemperaturedisplay
2.2.1 Connectorplugforconnectorsocket(2.1.1)insidethe
transformer(2.1)
2.2.2 Controllamp
2.2.3 Temperaturedisplay
2.2.4 Temperature +
2.2.5 Temperature -
2.2.6 SET
2.2.7 Connectorsocketforheatingcable
2.2.8 2m(6.6ft.)cablewithprobefortemperaturecontrol
2.3 Siliconesafetycable
2.3.1 Coaxialpowerconnectorplugforconnectiontothecom-
putercontroller(2.2.7)
2.3.2 Connectioncable2.2m(7.2ft.)
2.3.3 Heatingzone6m(19.7ft.)
2.4 10suctioncupsforsiliconeheatingcable
>>08-7D49>?=@.?4:9,9/:;0=,?4:9
,D492?3030,?492.,-70142
Itiseasiesttolaytheheatingcable(2.3)insidetheempty,clean
aquarium.Makesuretheresultingloopshaveadiameterofat
least5cm(2in.)whenlayingthecable.Donotbendsharply!
Attachtheheatingcabletotheaquariumbottomusingthesuc-
tioncups(2.4).Afterlayingthecableandconnectingtheentire
set,pluginthemainsplugatthetransformer(2.1.2)andbriefly
checkwhetherthecableheatsupevenlyuptotheend.Incase
thecabledoesnotheatupuptotheend,pleaseseesection
“Maintenance”.
#7,.492?30;=:-01:=?08;0=,?@=0.:9?=:7
Abottomheatersuchasthe>0=,>:4730,?492>0? isrecom-
mendedasanadditionalheater.Theprobe(2.2.8)isplacedin
the bottom ground. The probe must not touch the heating
cable.Theminimumdistanceis3cm(1.2in.)astopreventthe
>0=, computercontrollerfromswitchingofftoosoon.Whenin-
stallingaheaterthermostatsuchasthe>0=,,<@,=4@830,?0=
?30=8:>?,?,temperatureequalizationalwaystakesplacewith
somedelay.Important:Donotsettheheaterthermostattoa
highertemperaturethanthebottomheater.Thisensuresthe
tankismainlyheatedfromthebottomandthepositiveeffects
onplantgrowthcantakeplaceoptimally.
'%
91:=8,?4:91:=@>0
>0=,>:4730,?492>0?
#70,>0=0,/?30>049>?=@.?4:9>.,=01@77D,9/600;1:=1@?@=0@>0
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GBI soil heating set WIN_A5 14.10.2010 10:42 Seite 7

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