8
A r evacuat on
8.1 Preparat ons and precaut ons
A r and fore gn matter n the refr gerant c rcu t can cause abnormal r ses n pressure, wh ch can
damage the a r cond t oner, reduce ts eff c ency, and cause njury. Use a vacuum pump and man fold
gauge to evacuate the refr gerant c rcu t, remov ng any non-condensable gas and mo sture from the
system.
Evacuat on should be performed upon n t al nstallat on and when un t s relocated.
Before perform ng evacuat on
Check to make sure that both h ghpressure and low-pressure p pes between the ndoor and outdoor
un ts are connected properly n accordance w th the Refr gerant P p ng Connect on sect on of th s
manual.
Check to make sure all w r ng s connected properly.
8.2 Evacuat on nstruct ons
Before us ng the man fold gauge and vacuum pump, read the r operat on manuals to fam l ar ze
yourself w th how to use them properly.
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Spl t-type room a r cond t oner / Installat on Manual
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