OPERATION
PROGRAM AND OPERATE - THREE STAGE PROGRAM (Figure1)
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1FollowTwoStageProgram,Steps1-4
2PressENTER/REVIEWSTAGE2lightturnsoff,STAGE3andHEATRATElightsturnonMain
DisplayshowsfourheatratechoicesChooseone:
ASelectheatratebetween1°F-30°F/min(1°C-17°C/min)using
BSelect"FULL"toprogrammaximumheatrate
CSelect"COOL"toprogramthefurnacetocooltoaselectedtemperature
DSelect"NO"toturnofSTAGE3and4ThiswillresultinaTwoStageProgram
NOTE: The HEAT RATE cannot be programmed to "COOL" in STAGE 1 - only in STAGE
2, 3 or 4.
3PressENTER/REVIEWHEATRATElightturnsoffandTEMPlightturnsonEnterforthe
temperaturerequired:heatingtemperatureuptoamaximumof2012°F(1100°C)orcooling
temperaturedowntoaminimumof100°F(38°C)
4PressENTER/REVIEWTEMPlightturnsoffandHOLDTIMElightturnsonEntertoprogramthe
timeneededtoholdattheabovetemperature(0-4hrs)
5Forthreestages,thefurnacemustbeprogrammednottouseSTAGE4Followthesesteps:
AAftercompletingStep4,pressENTER/REVIEWSTAGE3lightturnsoff,STAGE4andHEAT
RATElightsturnon
BPressMainDisplayshows“5,4,3,2,1,COOL,NO”Select“NO”toprogramthe
furnacenottouseSTAGE4
6Allnecessaryinformationforthisprogramisnowentered
7Toruntheprogramimmediately,pressSTART/STOP
8Todelaythestartoftheprogramtobereadytocastatthepre-settime(seeOneStageProgram,
Step3),pressNIGHTTIME(DELAYSTART)
NOTE: If NIGHT TIME (DELAY START) is pressed while a program is running, the time
remaining for completion of the program will appear on the Main Display for 5 seconds.