Mitsubishi EHST20C-VM2C User Manual

5
WARNING (SPLIT MODELS ONLY)
Donotdischargerefrigerantintotheatmosphereifrefrigerantleaksduringinstallation,ventilatetheroom.
Useappropriatetoolsforhighpressurerefrigerant.
Whenpumpingdownrefrigerant,stopthecompressorbeforedisconnectingtherefrigerantpipes.
Duringinstallationsecurelyfastentherefrigerantpipesbeforestartingthecompressor.
Checkthatrefrigerantgasdoesnotleakafterthecompletionofinstallation.
UseR410Arefrigerantonly.Donotallowairtoenterthelines.Failuretoobservetheseinstructionswillcausemechanicalfailure,systemfailureor,intheworst
case, serious breach of product safety.
CAUTION (SPLIT MODELS ONLY)
<UsingR410Arefrigerantheatpumps>
UseC1220copperphosphorus,forcopperandcopperalloyseamlesspipes,toconnecttherefrigerantpipes.Makesuretheinsidesofthepipesarecleanand
donotcontainanyharmfulcontaminantssuchassulfuriccompounds,oxidants,debris,ordust.Usepipeswiththespeciedthickness.(Refertosection4.4in
theinstallationmanual.)NotethefollowingifreusingexistingpipesthatcarriedR22refrigerant.
-Replacetheexistingarenutsandarethearedsectionsagain.
- Do not use thin pipes. (Refer to section 4.4 in the installation manual.)
Storethepipestobeusedduringinstallationindoorsandkeepbothendsofthepipessealeduntiljustbeforebrazing.(Leaveelbowjoints,etc.intheirpackag-
ing.)Ifdust,debris,ormoistureenterstherefrigerantlines,oildeteriorationorcompressorbreakdownmayresult.
Useesteroil,etheroil,alkylbenzeneoil(smallamount)astherefrigerationoilappliedtothearedsections.Ifmineraloilismixedintherefrigerationoil,oildete-
rioration may result.
DonotuserefrigerantotherthanR410Arefrigerant.Ifanotherrefrigerantisused,thechlorinewillcausetheoiltodeteriorate.
Usethe following toolsspecicallydesignedforusewith R410Arefrigerant.The followingtoolsarenecessarytouse R410Arefrigerant.Contactyournearest
dealer for any questions.
Tools (for R410A)
Gaugemanifold Flare tool
Chargehose Sizeadjustmentgauge
Gas leak detector Vacuum pump adapter
Torquewrench Electronicrefrigerantchargingscale
Besuretousethecorrecttools.Ifdust,debris,ormoistureenterstherefrigerantlines,refrigerationoildeteriorationmayresult.
Donotuseachargingcylinder,acylindricalmeasuringcontainer,whenchargingR410Arefrigerantgas.Iftherefrigerantgasistransferredtoachargingcylinder,
thecompositionoftherefrigerantwillchangeandsystemefciencywillbereduced.
OCH570C

Mitsubishi EHST20C-VM2C Specifications

General

Brand	Mitsubishi
Model	EHST20C-VM2C
Category	Heat Pump
Language	English