::
e5 Ffter confirmation of a{d3 if pressure goes down3 there is leakage5 Hheck the brazing position3 flared
position by laying on the soap5 modify the leakage point and take another leakage test5
;0 Ffter leakage test3 must execute the evacuation5
gauge manifold
Po
Mi
Po handle
Mi handle
?8;: Ju`bt`shnm
80Jvacuation of refrigerant pipeA Jvacuate the system through the checking joints on liquid pipe stop
valve and on the gas pipe stop valve with the V;87F specially vacuum pump5 /if only evacuating through
liquid pipe stop valve3 at least one indoor JJZ must open05Ffter evacuation3 open stop valve fully and
then take down the evacuation pipe5
90Jvacuation of oil equalization pipeANf two or more outdoor units are connected3 evacuate through the
checking joints on oil pipe stop valve5 Ffter evacuation3take down the evacuation pipe3 and confirm the
stop valve open fully5/when there is only one outdoor unit3 no need evacuation5 Tlease confirm the oil
equalization valve close fully to avoid the leakage of refrigerant and the oil0
Sutdoor
unit
Sil equalization pipe
Nndoor
unit
Sil pipe valve
Piquid pipe valve
Las pipe valve
SR
SR
Zaccum pump
Nndoor
unit
Nndoor
unit
Speration procedureA
leakage
test
passed
evacuation
begins
evacuation
ends
check
vacuum
charge
refrigerant
after reaching 4878OTa or less
/below 4><<mmMg03 let the
vacuum pump running
continuously for over 8hour5
leave it for over 8
hour3 vacuum
pointer does not
arise5
if vacuum pointer arises3 it shows there is water or leakage in the
system3 please check and modify it3 and then evacuate again5
