ブックタイトルcatalog2017vol3

概要

catalog2017vol3

How to use a Gauge ManifoldHOW TO USE A GAUGE MANIFOLD■How to use a gauge manifold②For units that only have a low pressure side①To evacuate(vacuum)make sure that the needle is pointing towardsthe negative pressurevacuum pump ONair purging portrefrigerantcylinder valveCLOSErefrigerant cylinderwith siphon tube※cylinder without siphon tubemust 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 scale②air-tight test③To chargeAIR CONDITIONERHi: High pressure valve CLOSE vacuum retaining valve CLOSELo: Low pressure valve CLOSE refrigerant cylinder valve CLOSE※vacuum pump must be stopped⇒RUN AIR CONDITIONERLeave 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 tube※cylinder without siphon tubemust be used upside-downair purging portLo:Low pressure valveHi:High pressure valverefrigerantcylinder valveOPENOPENOpen halfway andfill with semi-liquid(HFC must be filledin liquid)CLOSEvacuum retaining valveCLOSErefrigerantcharging scaleliquidfluorocarbonTASCO JAPAN Co.Ltd.TASCO JAPAN Co.Ltd.ELECTRONIC CHARGING SCALETA101A冷媒充填用電子はかりto the low pressureside of the service portto the vacuum pumpto 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℃)61