Electrolux E23CS75DSS0 - Soldering; Perimeter Hot Tube; Refrigerant Cycle; Basic Components

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Section E - Refrigeration System
Soldering
WARNING
Wear approved safety glasses when working
with or on any pressurized system or
equipment. have an approved dry type fire
extinguisher handy when using any type of
gas operated torch.
1.  Alljointstobesolderedmusthaveproper
t.Clearancebetweentubestobesoldered
shouldbefrom.001”to.006”.Itisnot
practicaltoactuallymeasurethis;however,
youdonotwantadrytorlooset.Tubing
jointsshouldoverlapaboutthedistanceof
theirdiameterexceptforrestrictortubes, 
whichshouldbeinserted1.25”.
2.  Cleanalljointareaswithnesteelwoolor
preferablyanabrasivecloth,suchasgrit
clothNo.23orScotch-Brite.
3.  Applyathinlmofliquiduxrecommended
forsilversolderingtosurfacestobejoined
andtosurfacesimmediatelyadjacenttojoint.
4.  Aligntubingsonostressisonjoint.Donot
movetubingwhilesolderissolidifyingor
leakswillresult.
CAUTION
During application of heat, use wet cloths to
prevent heat from conducting to areas other
than the soldered joint. Use a sheet of metal
ortorchguardpadasaheatdeectortokeep
ameawayfrominammablematerialsand
painted surfaces.
5.  Useatorchofadequatecapacitysojointcan
bequicklyheatedwithaminimumofheat
traveltootherpoints.Useagoodgradeof
silversolder.
6.  Solderconnections.Iftubingisproperly
cleanedanduxed,solderwillowreadily.
Useonlyenoughsoldertomakeagood
bond.
7.  Allowjointtocool,thenwashexteriorwith
watertoremoveux.
Basic Components
Thebasiccomponentsofarefrigeratorare
acompressor,condenser,evaporator,heat
exchanger(capillarytubeandsuctionline),drier
andperimeterhottube.
Perimeter Hot Tube
Toreducethepossibilityofcondensationforming
ontheexteriorofthecabinetinhighhumidity
areas,aperimeterhottube(refrigeranttube)
hasbeeninstalledintheunit.Theperimetertube
extendsuptheleftside,acrossthetopofthe
freezeranddownthecentermullionandintothe
lterdrier.Whenthecompressoroperates,warm
refrigerantowsthroughtheprimarycondenser,
thenintotheprimaryhottube,warmingthecabinet
frontexterior.
Theperimeterhottubeisnotreplaceable.Inthe
unlikelyeventofaleakinthehottube,akitis
availabletobypassthehottubeinthesealed
system.Aelectricalheaterwiremustbeinstalled
withinthetubing.Refertotheappropriatepartslist
ofthemodelbeingservicedforthecorrectkitpart
number.
Refrigerant Cycle
Therefrigerantcycleisacontinuouscyclethat
occurswheneverthecompressorisinoperation.
Liquidrefrigerantisevaporatedintheevaporator
bytheheatthatentersthecabinetthroughthe
insulatedwallsandbytheheatfromproductload
anddooropenings.Therefrigerantvaporisthen
drawnfromtheevaporator,throughthesuction
linetothecompressor.Compressionraisesthe
pressureandtemperatureofthevaporinthe
compressorandthevaporisthenforcedthrough
thedischargevalveintothedischargelineandinto
thecondenser.Airpassingoverthecondenser
surfaceremovesheatfromthehighpressure
vaporwhichthencondensestoaliquid.Theliquid
refrigerantthenowsfromthecondensertothe
evaporatorthroughthesmalldiameterliquidline
(capillarytube).Beforeitenterstheevaporator,
theliquidrefrigerantissub-cooledintheheat
exchangerbythelowtemperaturesuctionvaporin
thesuctionline.
Low/High Side Leak or
Undercharge
Alossofrefrigerantcanresultinanyofthe
following:
1.  Excessiveorcontinuouscompressor
operation.
2.  Abovenormalfreezerand/orfood
compartmenttemperature.
3.  Apartiallyfrostedevaporator(dependingon