Electrolux E23CS75DSS0 - Compressor Replacement; To Flush the System

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Compressor Replacement
Section E - Refrigeration System
CAUTION
NEVER install a new compressor without first
checking for possible system contamination.
Tocheckforcontamination,obtainoilsamplefrom
oldcompressor.
•  Iftheoilhasburnedodor,butnocolor
changeorresidue—followinstructionsin
section “Installing A New Compressor”.
•  Ifoilhasaburnedodorandasugar
orgrittyfeelaswellasshowingsigns
ofcontamination(darkcolor)—follow
instructionsinnextsection,To Flush The
System.Removeasmuchofcontamination
aspossiblefromsystembeforeinstallingnew
compressorandlter-drier.
To Flush The System
NOTE
Itisrecommendedthatsystembeushedwith
dryNitrogen.However,ifrefrigerantisused
toushthesystemyoumustlookattheserial
platetoseewhattypeofrefrigerantisused
inthesystem.Thisistheonlyrefrigerantthat
canbeusedtoushthesystemanditmustbe
recovered.
CAUTION
Use extreme care when using Dry
Nitrogen to ush systems. Pressure
in nitrogen cylinder could be as high
as 2000 psi. Nitrogen cylinder must
be equipped with approved pressure
regulator and pressure relief valve.
Ensure that your hoses have adequate
ratings for pressure involved and that all
of your equipment is in good condition.
The end of the ushing hose on this tank
regulator must be equipped with a hand
shut-off valve (Robinair No. 40380). Close
hand shut-off valve and adjust nitrogen
regulator to correct pressure before
proceeding with ushing procedure.
To Use Dry Nitrogen To Flush The System:
1.  Removecompressorandlter-drier.Connect
processcouplingtooutlettubeofcondenser.
2.  Fastenclothoverotherendofcoiltoprevent
oldoilfromsprayingoverroom.
3.  Connecthandshut-offvalveonushinghose
toprocesscoupling.
4.  Slowlyopenhandshut-offvalveandallow
nitrogentoowthroughcondenseruntil
dischargeisclear.
CAUTION
DO NOT exceed 300 PSIG.
5.  Disconnectcaptubefromevaporator.Flush
evaporatorinsamemannerascondenser.
CAUTION
DO NOT exceed 150 PSIG.
6.  Flushcaptube.Thisisonlypossibleifyou
haveproperservicevalveadaptor.
CAUTION
DO NOT exceed 300 PSIG.
7.  Reassemblesystem.
To Use Refrigerant To Flush The System:
CAUTION
Refrigerantusedforushingmustbe
recovered into a recovery system. Meter
amountofrefrigerantusedforushingwith
your charging cylinder. DO NOT OVERFILL
THESYSTEM.
1.  Disconnectthesuctionanddischargelines
fromthecompressorandremovethelter-
drier.Connectprocesscouplingtooutletand
inlettubeofcondenser.
2.  Connecthosetooutletprocesscouplingand
chargingcylinder.Connectanotherhoseto
inletcouplingandrecoverysystem.
3.  Openchargingcylinderandallowrefrigerant
toowthroughcondenseruntildischargeinto
bagisclear.