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Fixwithboltsandnutstightlyonaflatandstrongfloor.
Ifinstalledonthewallorroof,makesuretofixthesupporterwelltopreventit
fromshakingduetoseriousvibrationorstrongwind.
3.OutdoorUnitPipingConnection
4.OutdoorUnitCableConnection(seepreviouspage)
Removethevalvecapsfromthe2-wayand3-wayvalve.
Connectthepipestothe2-wayand3-wayvalvesseparatelyaccordingtotherequiredtorque.
2.InstallandFixOutdoorUnit
1.InstallDrainPortandDrainHose(forheat-pumpmodelonly)
Drainhose
(preparebyuser)
Washer
Drainport
Thecondensatedrainsfromtheoutdoorunitwhentheunitoperates
inheatingmode.Inordernottodisturbyourneighborandprotect
theenvironment,installadrainportandadrainhosetodirectthe
condensatewater.Justinstallthedrainportandrubberwasherto
thechassisoftheoutdoorunit,thenconnectadrainhosetothe
portastherightfigureshown.
Theairwhichcontainsmoistureremainingintherefrigerationcyclemaycauseamalfunctiononthe
compressor.Afterconnectingtheindoorandoutdoorunits,evacuateairandmoisturefromrefrigerant
cycleusingavacuumpump,asshownbelow.
Refrigerantflowdirection
2-wayvalve
(6)Open1/4turn
valvecap
(1)Turn
(8)Tighten
(2)Turn
3-wayvalve
(8)Tighten
(1)Turn
(7)Turntofullyopenthe
valve
(7)Turntofullyopenthevalve
(8)Tighten
3-wayvalvediagram
connecttoindoorunit
openposition
spindle
serviceportcap
Service
port
Connecttooutdoorunit
Valvecore
needle
Vacuumpump
indoorunit
Valvecap
21
Installationinstructions
Airpurging
Note:Toprotecttheenvironment,besurenottodischargetherefrigeranttotheairdirectly.
Seenextpageforairpurgingsteps.
Outdoorunitinstallation
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