Panasonic CS-UW12GKE Especificaciones descargar pdf (Pagina 42)

5.Charginghose

Thepressureresistanceofthecharginghosehasbeen

raisedtomatchthehigherpressureofR410A.Thehose

materialhasalsobeenchangedtosuitHFCuse,and

thesizeofthefittinghasbeenchangedtomatchthe

manifoldports.

6.Vacuumpumpadaptor

WhenusingavacuumpumpforR410A,itisnecessary

toinstallanelectromagneticvalvetopreventthe

vacuumpumpoilfromflowingbackintothecharging

hose.Thevacuumpumpadaptorisinstalledforthat

purpose.ifthevacuumpumpoil(mineraloil)becomes

mixedwithR410A,itwilldamagetheunit.

7.ElectricgasleakdetectorforHFCrefrigerant

Theleakdetectorandhalidetorchthatwereusedwith

CFCandHCFCcannotbeusedwithR410A(because

thereisnochlorineintherefrigerant).

ThepresentR134aleakdetectorcanbeused,butthe

detectionsensitivitywillbelower(settingthesensitivity

forR134aat1,thelevelforR410Awilldropto0.6).

Fordetectingsmallamountsofgasleakage,usethe

electricgasleakdetectorforHFCrefrigerant.(Detection

sensitivitywithR410Aisabout23g/year).

Fig.4Manifoldgaugecharginghose

Fig.5Vacuumpumpadaptor

Fig.6ElectricgasleakdetectorforHFCrefrigerant

Table8DifferencebetweenR410Aandconventionalcharginghoses

Conventionalhoses R410Ahoses

Pressure

resistance

Workingpressure 3.4MPa(35kgf/cm

) 5.1MPa(52kgf/cm

)

Burstingpressure 17.2MPa(175kgf/cm

) 27.4MPa(280kgf/cm

)

Material NBRrubber HNBRrubberNyloncoatinginside

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Panasonic CS-UW12GKE Especificaciones Pagina 42