Kegco HK-38-SS User manual

Brand: Kegco

Model: HK-38-SS

Type: User manual

Model:SF-138DigitalTemperatureController

FrontPanelOperation

1.Settemperature(compressorstoptemperature)adjustment

Pressbutton,thesettemperatureisflashdisplayed.

Pomodifyandstorethedisplayedvalue.Pressbuttontoexitthe

statusanddisplaythecoldroomtemperature.

Ifnomorebuttonispressedwithin6seconds,thecoldroomtemperaturewillbedisplayed.

(Settemperatureadjustmentrange:parameterE1E2)

2.Pressbuttonforoncetoflashdisplay2L,itwillresumenormaldisplayafter6seconds.

3.RefrigerationLED:Duringrefrigeration,theLEDison;Whenthecoldroomtemp.isconstant,the

LEDisoff;Duringthedelayprocess,theLEDflashes

4Evap.FanLED:Whenthefanwork,theLEDison;whenthefanstopsrunning,theLEDisoff.

5.Pressbuttonforoncetostartorstopthelight.

6.Longpressbuttonandbuttonfor1secondtoswitchtheCelsiusandFahrenheitdegreeforonce.

7.Powerswitch:Longpressbuttonfor3seconds,allthecontroloutputsstopped(thelightisnotaffected),

andwilldisplay---.Pressbuttonfor1secondtostartup,anddisplaythecold-roomtemperature.

8.Parametersetup

Pressbuttonandholdfor6secondstoentertheparametersetupmodewhileE1flashes.

Pressagainbuttontoselectsequentiallyfromtheparameters:E2,E3....A2,A3.

Pressorbutton,thevaluesofparameterwillbedisplayedandcanbemodified.

Ifnomorebuttonispressedwithin6secondswillexitandstorethenewvalues.

ressorbuttontadjustment

FeaturesofFunction

TemperatureControl/Manual,automaticdefrost/Evap.Fancontrol/ValueStoring/SelfTesting

Specifications

1.Temperaturesensor:NTC(B=3380,10K=25),1pc(cold-room),2meters(Neitherpositivenornegative)

2.Rangeoftemperaturedisplayed:45~120(-49~248);Accuracy:12

3.Rangeofsettemperature:45~45(-49~113);Factorydefault:04(39)

4.Dimension:77(Length)35(Width)30(Depth)mm

Mountingholedimension:71(Length)29(Width)mm

5.Temperatureoftheoperatingenvironment:10~60(14~140)

RelativeHumidity:20%~90%(Non-condensing)

6.Relayoutputcontactcapacity:

Compressor:N.O.20AFan:12VDC/0.18ALight:12VDC/50mA

℃

－℃℃℉±℃（±℉）

－℃℃℉℃℉

××

－℃℃℉

9.Thefactorydefaultresumption:pressbuttonandbuttonsimultaneouslyfor6seconds,theindicator

flashdisplay888,allparametersandsettemperaturewillberesumedasfactorydefaultsatthistime.

After6seconds,itwillreturntonormaloperation.

10.Lockparameters

Innormaloperating,pressbuttonandholdfor6secondstolocktheparametersifLOCisdisplayed,

ortounlockifOPisdisplayed.Parameterscanbedisplayedonlyandcannotbemodifiediflocked,

buttheadjustmentofthesettemp.isactive.(ThefactorydefaultisOP)

Parameter

FunctionFunction

Setrange

SetrangeDefault

Default

～

Settemp.

～

Lowersetpointlimit

00=Parallelwithcomp.

(Stopwhendefrost)

01=Continuousrunning

(Stopwhendefrost)

02=Parallelwithcomp.

(Startwhendefrost)

03=Continuousrunning

(Startwhendefrost)

Evap.Fanstarting

mode

0160Min

～

0024Hr

～

20Min

4Hr

0010Min

～

03Min

Highersetpointlimit

Temp.hysteresis

Comp.Startdelaytime

Offsetonroomtemp.

OffsetonEvap.Temp.

Max.Defrostduration

Defrostintervaltime

113

45℃

℉

24℃

℉

-49

-45℃

℉

-5℃

℉

02～

01～

10℃

℉

03℃

℉

－18

～18

－10～

10℃

℉

－18

～18

－10～

10℃

℉

12℃

℉

32～113

00～45℃

℉

Defrostterminationtemp.

Displayduringdefrost

00=Nomaldisplay

01=Lastvaluebefore

defrost

00℃

℉

00℃

℉

～

H1.

～

Hightemp.Alarmvalue

Alarmdelaytime

113

45℃

℉

86℉

30℃

-40/℃℉

-15℃

℉

Lowtemp.Alarmvalue

00120Min

～

30Min

00=Nomaldisplay

01=Lockingslowly

display

Cold-roomtemp.

Displaymode

Doorswitchcontrol

00=thereisnot

01=thereis

00=settemp.Adjustable

01=settemp.Canbe

checkedonly,unadjustable

Settemp.Adjustment

mode

Functiondetail

1.Temperaturecontrol

(Whenfirsttimepoweron,pressbuttonforoncecancanceldelayandenterautomaticcontrolmode)

Thecompressorstartsoperatingwhencoldroomtemperature(settemperature+hysteresis),andwill

beoffwhencoldroomtemperaturesettemperature.

Toprotectthecompressor,itcanre-startunlessthetimewhenthecompressorstopseverytimeislonger

thanthedelaytime(ParameterE4).

2.Defrostfunction

Afterworkingadefrostintervalwillautomaticenterthedefroststatus.ThedefrostLEDison,the

compressorstops.Afterdefrostduration,willexitdefroststatus,after2minutesdrippingtime,ifthe

cold-roomtemperatureishigherthan(settemp.+TemperaturehysteresisE3),thecompressorstarts.

Whendefrostintervalissetto00,theautomaticdefrostfunctionwillbecancelled.

3.Temperaturedisplay

WhenparameterA1=01,thetemperaturewilldisplayslowly:withthespeedofonedegreeevery30

secondstoreachtheactualtemperature,anddonotaffectthecompressorworkingnormally.

Whenstartedup,andaftertheactualtemperaturereachthesettemperatureforonce,onlyifthecold

roomtemperatureiswithintherangeof(settemp.+parameterE3+1),willdisplaythesettemperature,

otherwisethetemperaturewilldisplayinlowspeed.

4.Displayduringdefrost

WhensettingparameterF4=0,thecoldroomtemperaturewilldisplaynormally.

WhensettingparameterF4=1,theroomtemp.islockedduringdefrost,andthelastvaluebefore

defrostisdisplayed.Whendefrostends,normaldisplaywillberesumedafter20minutesdelayofroom

temp.Display.If(parameterA1=01),thecold-roomtemperaturewilldisplayslowly,thedefrostLED

flashesduringthelockingdelayprocess.

5.Fancontrol

WhenparameterF5=01,theEvap.Fanpoweronandkeepworking.(Stopwhendefrost)

Thecondenserfanworksynchronizedwiththecompressor.

6.Doorswitchcontrol

WhenparameterA2=01,whendetectthedoorisopen,theEvap.Fanstops,thelightison,atthistime,

when(parameterA1=01),willlockthecold-roomtemperaturedisplay;ifthedoorisnotclosedformore

thanoneminute,thebuzzersound,pressrandombuttontocancelthesound;ifthedoorisnotclosed

formorethan10minutes,thelightwillturnoffautomatically;untilthedoorisclosedfor5minutes,

thenthetemperaturewilldisplayinlowspeed.(Doorswitchlineopen-circuited=doorclosestatus;

doorswitchlineshort-circuited=dooropenstatus.)

7.Highlowtemperatureoverlimitalarm

Afterthecompressorturningonandoffnormallyforonce,canenterthealarmstatus.

Whencold-roomtemperatureishigherthanH1parametersetvalue,andpassalarmdelaytime(parameterH3),

willflashanddisplaythecold-roomtemperatureandexitthedefroststatus.Whenthecoldroomtemperature

islowerthanH2parametersetvalue,andpassthealarmdelaytime(parameterH3),willflashanddisplay

thecold-roomtemperature,thebuzzersound,pressrandombuttontocancelthesound.

≥

≤

8.Abnormalworkmode

9.CircuitDiagram:

Errorcode

Instruction

Cold-roomsensorshort-circuitedorhightemp.

Overlimitmorethan120/248（）℃℉

Cold-roomsensoropen-circuitedorlowtemperature

overlimitlessthan45/49（）－℃－℉

Evap.Sensoropen-circuitedorlowtemperature

overlimitlowerthan45/49（）－℃

－℉

Evap.Sensorshort-circuitedorhightemperature

overlimitmorethan120/248（）℃℉

Operation

Afterthecompressorstopsfor

15minutesandthenworkfor30

minutesincycle;

thebuzzersound,pressrandom

buttontocancelthesound.

Defrostwillonlyaffected

bydefrostintervaltime.

NotesforInstallation

Accessoriesforthetemperaturecontroller

1.Sensorleadsmustbekeptseparatelyfrommainvoltagewiresinordertoavoidhighfrequencynoise

induced.Separatethepowersupplyoftheloadsfromthepowersupplyofthecontroller.

2.Wheninstallationtheprobeshallbeplacedwithheadupwardandthewiredownward.Theevaporator

probemustbeinstalledbetweenthefindoftheevaporatorinthearea,whereprobablytheiceisthe

thickest.Donotplacetheevaporatorprobeneartheelectricheater.

3.Incaseoflong-distanceprobeinstallationfromthecontroller,theprobecablemaybeprolongedupto

100mmax.withoutanyre-calibration

4.Thetemperaturecontrollercannotbeinstalledintheareawithwaterdrops.

1.Onetemperaturesensor

2.Oneinstallationstand

3.Fourconnectingwires

Kegco HK-38-SS User manual

Kegco HK-38-SS User manual

Kegco HK-38-SS User manual

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