Amcor AOM 183HX - Manual (Page 21)

Installation
— Soapwate rmethod -------------------------
(1) Rem oveth ecap sfro mth e gassid eand
liquidsid e valves.
(2) Rem oveth ese rvice-portca pfro mth egas
side valve.
(3) Toope nth ega ssid e valvetu rnth e valve
stemcounterclo ckwiseappr oximately90 °,
wait forabou t2~ 3second s,an dclos eit.
(4) Appl y asoa p water or allqui dneut ral
detergent onth eindoo runi tconnectio nor
outdooruni tconnection s by asof t brushto
check forleakag e ofth econnectin gpoints
ofth epiping.
(5) If bubblescom eout ,th epipe s have
leakage.
Evacuation
•Connec tth echarg ehos een ddesc ribed inthe
precedingstep s toth e vacuumpum pto
evacuateth etubin gan dindoo runit.
Confirmth e"Lo "kno b ofth emani fold valveis
open.Then, runth e vacuumpum p.
Theope ratlontim e for evacuation varleswith
tubinglengt han dcapacit y ofth epum p.The
followingta blesh owsth etim erequire d for
evacuation.
Required time for evacuatlonwhe n
30
gal/h
vacuumpum p isused
Iflubln glengt h Isless
thanlO m
(3 3
ft)
Iftubln glengt h Islonger
thanlO m
(3 3
fl)
lOmin .ormore
15
min . ormore
•Whe nth edesire d vacuum Isreached ,clos ethe
"Lo"kno b ofth emani fold valvean dsto pthe
vacuumpum p.
Finishing thejob
•Wit h ase rvice valvewrench ,tu rnth e valve
stem ofllqui dsid e valvecounter-cio ckwiseto
fullyope nth e valve.
• Turnth e valveste m ofga ssid e valvecounter-
clockwise to fullyope n the valve.
•Loose nth echarg ehos e connected toth ega s
sidese rvicepo rtsllghtly toreleaseth epressure,
theorem oveth ehos e.
•Replaceth efiare nutan d itsbonnet onth e gas
sidese rvicepo rtan d fastenth e flare nut secure^
with anadjustablewrench.Thisprocess Is very
important topreveit leakacpfro mth esystem.
•Replaceth e valve caps atbothgasan dliquid side
service valvesan d fastenthemtight.
Thiscompletesal rpurging with a vacuumpum p.
Theal rconditloner Is nowready totes t run.
Indoor unit
Outdoor unit
Manifold valve
Pressure
gauge
Open Close
Vacuum pump