Troubleshooting Guide

TemperatureControllerManual
FeatureofFunction
Thistemperaturecontrolleradoptworldwell
knownbrandSCM.Itisreliableanddurable.The
relayisexclusivelyusedforcompressorloadswhich
makeitsafer.Thewayofcontrollingtemperatureis
returntypeandeasytooperate.
Minesizedandintegratedintelligentcontrol,itis
applicabletothecompressorofoneH.P.Suitfora
ventilatedfreezer.
Mainfunctions
Temperaturedisplay(Celsius/Fahrenheit
degrees)
Temperaturecontrol
Evaporatorfancontrol(parallelwith
compressororcontinuousrunningchanges)
Manual,automaticdefrostbyelectricheater
Timeortemperaturesettingtoenddefrost
Thecoldroomsensortemperaturecanlock
duringdefrost
Parameterlocking
Thefactordefaultresumption
Offsetonsensortemperature
Selftesting
Specification
Powersupple:12V~,50/60Hz;Power
consumption:<5W
Rangeoftemperaturedisplayed:‐ 5 45
C
(40~120
F)
4 ~
R temperature:‐45~45
Cangeofset
(40~120
F)
Temperaturesensor:NTC,doublesensor.
Outputcontactcapacityforcompressor:N.O.
20A/250V~;50/60Hz.Theinrushcurrentfor
compressorcontrolmaybe20Ainsteadof8A
duringtheperiodof1satstart.(applicableto1
H.P.compressorifmoreconnectedtoAC
contactor)
OutputcontactcapacityforEvap.Fan:N.O.
20a/250V~;50/60Hz.
Maincontrollerpaneldim ension 78
X35X76mm.
Mountingdimension:71:29mm
Indicator
Refrigerant:Whentherefr igerantLEDison,the
compressorisworking.
Constanttemperature:Whentherefrigerant
LEDisoff,thecompressorhasstopped.
Delay:WhentherefrigerantLEDflashes,the
compressorstops.
Defrost:WhenthedefrostLEDison,the
compressorandfanstopandtheheaterworks.
Evaporatorfan:WhenthefanLEDison,thefan
isworking.
FrontPanelOperation
Settemperature:Press button,theset
temperatureisdisplayed;Pressorbuttonto
modifyandstorethedisplayedvalue,press
buttontoexittheadjustmentanddisplaythe
coldroomtemperature.
Manualstart/stopdefrost:Pressbuttonand
holdfor6secondstodefrostorstopdefrost.
Displaytheevaporatortemperature:Press
buttonandholdfor6seconds.Theevaporator
temperaturewillbedispla yed.After10
seconds,thecoldroomtemperatureisresumed
tobedisplayed.
ParameterSetup
Indicationforsettingparameter: Theparameter
canbeadjustedonlyaftercorrectPAhasbeen
entered.Allparameterscanonlybechecked,
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