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Refrigeration
Refrigeration
Refrigeration
Refrigerationprinciple
principle
principle
principleand
and
and
andcircuit
circuit
circuit
circuitdiagram
diagram
diagram
diagram
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Options
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1.Temperaturerecorder
Askaqualifiedtechnicianoranafter-salesmaintainertoinstallthetemperaturerecorderasfollows:
1)Removethecoverplateoftemperaturerecorder.
2)Installthetemperaturerecorderinplaceandthenfixittothefrontpanelwithscrews.
3)Removethescrewsofelectriccabinetinthecompressorcompartmentandthenconnectthe
connectingwiresoftemperaturerecorderrespectivelytothefreezer
’
slivewireandneutral
wire.
4)Leadthesensoroftemperaturerecorderinthefreezerthroughinternalsensorductattheback
ofcompressorcompartment.Thesensorductisfromthesensorthrough-holeatthebackof
freezertothecompressorcompartment.
5)Disassembletheholderofinternaltemperaturesensorinthecabinet,fixtherecorder
’
ssensor
andinternaltemperaturesensortogether,sealthesensorholeonthecabinetbodyandinstall
thecoverinplace.
6)Bundletheconnectingwiresofrecorderinthecompressorcompartmentwithcableclips.
7)Fixandrestorethecoverofelectriccabinetandtheleftpanelofcompressorcompartment
respectivelywithscrews.
Warning
Beforeinstallingthetemperaturerecorder,besuretoswitchoffthepowersupply;otherwise
electricshockorfirehazardmayoccur.
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Installation
Installation
Installation
Installationand
and
and
andrunning
running
running
running
Inordertooperateandusetherecordercorrectly,pleaseoperateasfollows:
1)
You
willseetherecorderuponopeningitsdoor.
2)Switchonthebackuppowersupply,i.e.9VDCbatteryintheupperleftcornerofrecorder.
3)Changeapieceofnewrecordingpaper(seethefigurebelow).
4)Removetheplasticcapfromtherecordingpenandclosetherecorder
’
sdoor.
Note:Therecorderwillnotworkuntilinternaltemperaturereachestherecorder
’
srecordingrange.
Power
Power
Power
Powersupply
supply
supply
supply
Whenthefreezerworks,therecorderusesACpowersupplyinnormalconditions.IfACpower
supplygoeswrong,therecorder
’
sLEDindicatorwillflashtoindicateabnormalpowersupply.And,
therecorderwillgoonrecordinginternaltemperaturebyusingbackupbattery.Eachbackupbattery
cansupporttherecorderforabout30h(Note:Incaseoflowbatterychargelevel,replacethebattery
intimetoavoidcorrosionofbatteryswitchduetooverduereplacement.
To
savebatterycharge,
pleaseturnoffthebatteryswitchwhenthefreezerisnotinuse.Pleaseinstallabackupbatteryin
placetoensurenormalrecordingincaseofpowerfailureduringnormaluse).Therecorder
’
sLED
indicatorwillcontinuouslyflashuntilmainpowersupply(ACpowersupply)isswitchedonandthe
backupbatteryisreplaced.Incaseoflowbackupbatterychargelevel,therecorder
’
sLEDindicator
willflashtoindicatetheneedofbatteryreplacement.
Repair
Repair
Repair
Repairand
and
and
andreplacement
replacement
replacement
replacementof
of
of
ofthe
the
the
therecorder
recorder
recorder
recorder’
’
’
’s
s
s
sbackup
backup
backup
backupbattery
battery
battery
battery
Iftherecorder
’
sgreenLEDflashes,therearetwocheckingmethods: