Installation Instructions

(RefertoChart25)
(pleaserefertoitsmanualforthewayofusingmanifoldvalue)
1.LoosenandremovethemaintenancenutsofstopvaluesAandB,andconnectthechargehoseof
themanifoldvaluewiththemaintenanceterminatorofstopvalueA.(BesurethatstopvaluesAand
Barebothclosed)
2.Connectthejointofthechargehosewiththevacuumpump.
3.OpentheLo-leverofthemanifoldvaluecompletely.
4.Turnonthevacuumpump.Atthebeginningofpumping,loosenthemaintenanceterminatornutof
stopvalueBalittletocheckwhethertheaircomesin(thesoundofthepumpchanges,andthe
indicatorofcompoundmeterturnsbelowzero).Thenfastenthenut.
5.Whenthepumpinghasfinished,closetheLo-leverofthemanifoldvaluecompletelyandturnoffthe
vacuumpump.
Whenyouhavepumpedforover15minutes,pleaseconfirmthattheindicatorofmulti-meterison
1.010Pa(-76cmHg).
6.LoosenandremovethequadranglecoverofstopvaluesAandBtoopenstopvalueAandBcom-
pletely,thenfastenthem.
×
-5
11
Expeltheairwithavacuumpump
7.Disassemblethechargehosefromtherepair-mouthofstopvalueA,andfastenthenut.
-76cmHg
Lo-lever
Hi-lever
Chargehose
Chargehose
Vacuumpump
Lo-lever
Manifoldvalve
Multi-meter
Pressuremeter
NOTE:inthechart
A...........Lo-stopvalue
B...........Hi-stopvalue
C,D.......Jointsoftheconnectingpipe
totheindoorunit.
CAUTIONS
Allthestopvaluesshouldbeopenedbeforetestoperation.Eachairconditionerhastwostopvalues
ofdifferentsizesonthesideoftheoutdoorunitwhichoperateasLo-stopvalueandHi-stopvalue,
respectively.(RefertoChart26)
Chart27
CHECKTHELEAKAGE
Checkallthejointswiththeleakdetectororsoapwater.(refertoChart29)
Check-pointofindoorunit
Check-pointofoutdoorunit
D
B
C
A
Flarenut
Stopper
Cap
Valvebody
Valvestern
Chart25