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26
Operating Instructions — System Flush
WARNING: Do NOT disconnect
service couplers during the ushing
process. Refrigerant could spray out of
the ttings, and exposure may cause
personal injury.
7.Conguretheblockconnectorstoprovideforward-
orback-ushingoftherefrigerant,whichowsfrom
themachinethroughtheredhigh-sideconnection
hose.Opentheredservicecoupler.
8.Connectthelterhousingtothedesiredreturnside
oftheadapterblockandtothebluelow-sidehose.
Opentheblueservicecoupler.
9.Verifythataushinglteriscorrectlyinstalledinthe
ushinglterhousing.Opentheisolationvalveon
thehose.
Operating Instructions
1.SelectSYSTEM FLUSHfromtheRRRmenu.See
Figure11.
2.ThemachinedisplaysaVINentryscreen.Tostore
vehicleservicedatabyVIN,usethearrowkeys
toselectaeld,usethevirtualkeypadtoenter
information,andpressOK.
EnteringaVINisoptional;pressOKtoskipthisstep
andnotactivatetheStoredDatafeature.
3.SelectSTART toacceptthedefaultushtimeof10
minutes,orenterthedesiredushtimeusingthe
keypadandselectSTART.
4.Thevacuumpumprunsforveminutestoremove
airfromtheA/Csystem,ifneeded.
5.
Themachineushesthesystemforthedesignated
lengthoftime,andthenentersarecoverymode.
6.
Oilthathasbeencollecteddrainsintothegraduated
oildrainbottle.Removethebottleandmeasureoil.
Disposeofoilaccordingtothelawsinyour
jurisdiction.Itistheresponsibilityoftheuserto
determineifamaterialisahazardouswasteatthe
timeofdisposal.
7.
WhenthemachinedisplaysFLUSHCOMPLETE,close
servicecouplers,removehoses,andreassemblethe
vehicle’sA/Csystemtoitsoriginalstate.
8.Openthevalveonthesourcetank.
9.Evacuateandrechargethevehicleaccordingtothe
instructionsinthismanual.
Operating Tips
If the external ushing lter is plugged, the
unit displays
SYSTEMFLUSH
POSSIBLECLOGGEDFLUSHFILTER
ORCLOSEDCOUPLERVALVE
ESCTORECOVERREFRIGERANT
PRESSOKTORETRY
After the lter is cleared or replaced, restart
System Flush from the menu shown in
Figure 11.
CAUTION: To prevent vehicle damage, use an
oil inject tool to replace the system oil. Flushing
removes all oil from the system except what
remains in the compressor.
1
2
3
4
5
Recovery
Vacuum
Charge
Automatic
Esc
Figure 11
The RRR Menu
Diagnostic Pressures
6
System Flush
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