ブックタイトルTASCO CATALOG 2015
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TASCO CATALOG 2015
HOW TO USE A GAUGE MANIFOLD■How to use a gauge manifold 2For units that only have a low pressure side(gas)1 vacuum desiccationmake sure that the needle is pointing towardsthe negative pressurevacuum pump ONair purging portrefrigerantcylinder valveCLOSErefrigerant cylinderwith siphon pipe※cylinder without siphon pipemust be used upside-downLo:Low pressure valveOPENHi:High pressure valveOPENvacuum retaining valverefrigerantcharging scaleliquidfluorocarbonTASCO JAPAN Co.Ltd.OPENTASCO JAPAN Co.Ltd.ELECTRONIC CHARGING SCALETA101A冷媒充填用電子はかりto the low pressure side ofservice portto the vacuum pumpto the refrigerant charging scale2 air-tight test※vacuum pump stopped3 filling in refrigerantAIR CONDITIONER⇒RUN AIR CONDITIONERHi:High pressure valve e CLOSEvacuum retaining valveCLOSELo: Low pressure valve CLOSE refrigerant cylinder valve CLOSELeave for 5-10minutesMake sure that the gauge needledoesn't return to the“0”side(ie. make sure there are no leaks)vacuum pumpOFFrefrigerant cylinderwith siphon pipe※cylinder without siphon pipemust be used upside-downair purging portLo:Low pressure valveOPENOpen halfway andfill with semi-liquid(HFC must be filledin liquid state)to the low pressureside of the service portHi:High pressure valveCLOSEvacuum retaining valveCLOSEto the vacuum pumprefrigerantcylinder valverefrigerantcharging scaleOPENliquidfluorocarbonTASCO JAPAN Co.Ltd.TASCO JAPAN Co.Ltd.ELECTRONIC CHARGING SCALETA101A冷媒充填用電子はかりto the refrigerant charging scaleCalculate the inside of 1/4 charging hose (from the manifold to the service port) by:R22 liquid refrigerant by 20g/m (when 20℃)R410a liquid refrigerant by 18g/m (when 20℃)47