Radleys CAROUSEL Betriebsanleitung Seite 10

Th e functi on g" "heatin isswitche d
switc h. n Whe the functio n " "heating
es gree shin n. The temperatu re ofthe heating plate i sset o ntherotary
kno b "temp n with itscorrespondi ng
isheate d uptothe temperatu re
tin g phas e, the colour ofthe LED "temp" changes
g e (oran ge = suppl y ofenergy toheating plate; green = set t empera-
tureisreached.) .
I n th e even t ofa disturban ce inthecontrol circuit, the heating plate is
permanently cutoff bythesafety circuit.
PLEASENOTE!
Th e heating plateonly heatsup, if thecontact p lughas
bee n plugged (the contact plug isundetachabl
ment ), or if a CarouselTemperatureControllerand/ora
contact thermometer hasbeenconnected
{se e illustratio n 2)
illustration 2
connection contactthermometer
10
onand/or off b yits correspondin g
isswitched on, t heLED " tempu
dial ( 0-3000C). The heating plate
set o nthe rotary k nop. During the hea
from green t ooran-
y fitted t otheinstru-
mains connection
Meen
CoMr&r a Conwct Themomd*
Thecontrol ofthemedium temperature viatheCarousel Temperature
Controller orcontact-thermometer should bepreferred. Itsadvantages
are: j ustashort h eating-up phase aftersetting the(ated temperature,
p acticaIJy notemperature driftandonlyaminortemperature wavin-
ess.Themediumtemperature is optimized with the aid of a FUZZY
LogicContoller, thatmeans, thatinsteady s tate anyovershooting of
the temperature is reducedto a minimum.
Therearoftheinstrument houses thediode bushing forconnection
to the Carousel Temperature C ontroller o rcontactthermometer, or for
plugging the contactplug(seeillustration 2).
Theelectronics ofthe instrument s upplyatest currentthat has
to flow overplugpins3and5of the diodebushingin orderfor
the heating plateto heat.
Safetycontactthermometers
acc.to DN 12 878 class2 or acc.Gerstelare connected w ith a
three-wire cable, thetest c urrent flows through thecontact thermome
ter.
Safety function:
If thetest c urrent isinterrupted because of e.g.breakage of contact
thermometer orfalling out o fthecable plug, t heheating cuts off.
The required plug allocation isindicated
the diode bushing.
Contact t hermometer withoutsafetycircuit
acc. t oDIN12878class O .The instrument
rent c ircuit isclosed b yanelectrical connection
5
2•wire connectingcables:
Connect plug pins 3 and 5 ofthe instrument
the Camusd
onoreference plate a bove
onyheats i f thetest c ur-
oftheplug pins 3and
plug.
CAROUSEL S tirringHotplate