Instruction Manual

Equipment:
ThistypeofcomplexthermalrampingrequirestheuseofeitheraGR150ora
GP200Optimathermostat. AnyoftheRefrigerationunitscanbecontrolled
withtheexceptionofR1/R1L. Asthisexamplewillreducethetemperature
downto-20°C,wecanuseanyoftheseunits. Youwillalsorequirethe
CommunicationsleadassuppliedwiththeRefrigerationunit.
Liquid:
Fromthesectiononliquidsyouwillseethatthesuitabletypeis50%water
and50%glycol.
4.2.1 Procedure:
Page13
Lowtemperaturebath/circulator
Operatinginstructions
Version4-Jan2010
ConnectthesocketendoftheCommunicationsleadtotheRelay1connectiononthe
rear of the GP200 and the plug end to the communications lead connection ( ) on the
rearoftherefrigerationunit.
Fillwithliquidandturnon.
Press buttononfrontofthermostatandrotateknobuntil[ ]is
displayed.Press androtateknobtodisplay[ ]andpress
F
S S.
Selectliquid
LowTempOil
Press androtateknobuntil[ ]isdisplayed,press .[]iconisdisplayed;
rotatetheknobuntil[ ]isdisplayedandpressselect
F SPrograms
ProgramEditor
[ ]Rotateknobsothat[ ]isdisplayed.Editprogram1 1Temp
Phase1
[ ]isdisplayed.Nowpressthe buttonsothetemperatureisflashing,rotate
theknobtotherequiredtemperatureof-20°Candpress toselect.
1Temp S
S
Rotatetheknobsothat[ ] isdisplayed.Press toadjust,thetimewillnow
flash,rotatetheknobtotherequiredtime(inthiscase40minutes)andpress to
select.
 1Time S
S
Phase2
Rotatetheknobsothat[ ] isdisplayed,press and[ ]willbe
displayed,introducingPhase2.
1.InsertAfter S 2
Rotatetheknobsothat[ ]isdisplayedandpress thedisplaywillflash,adjust
to-20°Cthenpress toaccept.
2Temp S,
S
Rotatesothat[ ]isdisplayedandpressthe button,adjustto1hour. 2Time S
Phase3
Rotatetheknobsothat[ ]isdisplayed,press and[ ]willbe
displayed,introducingPhase3.
2.InsertAfter S 3
Rotatetheknobsothat[ ]isdisplayedandpress toadjust. Adjustto
40°Cthenpress toaccept.
3Temp S
S
Rotatesothat[ ]isdisplayedandpressthe buttontoadjustto40
minutes.
3Time S
Asthisexampleisheatingtoaboveambientwedonotnowrequiretherefrigeration
unittobe on.Rotatetheknobsothat[ ]isdisplayed,bypressingthe button
youcanactivatetherelays. A [ ]nexttothenumbers[ ]or[ ]indicateswhetherthat
particularrelaywillbeactivatedthroughoutPhase3.Relay1needstobeactivated,
sopressthe buttonuntiljustthe [ ]isdisplayed.
3.Relays
* 1 2
*
S
S 1
4