ブックタイトルTASCO CATALOG 2015

概要

TASCO CATALOG 2015

HOW TO USE A GAUGE MANIFOLD■How to use a gauge manifold1 Measure therunning pressureof the device.The colors in the illustrations means:(green color) indicate the vacuumprocess in the circuit(blue color) indicate the flow ofrefrigerant in the circuit■The name and function of the gauge manifold〈Function〉●to switch flow of refrigerant during vacuuming, filling＝OPEN/CLOSE of valve●to judge the condition of the unit = by measuring the pressure(measuring the saturated temperature)〈Part Names〉High pressuregauge (liquid )Low pressurecompound gaugerefrigerationsaturationtemperaturescalelow pressureOPEN/CLOSE valve(gas)Lo:Low pressure valveto the low pressureside of the service port2 Vacuum desiccationLo:Low pressure valveOPENCLOSEHi:High pressure valveto the high pressureside of the service portmake sure thatthe needle is pointingtowards thenegative pressureHi:High pressure valveOPENCLOSEair purge port(with valve cores)charging hose(connect withside that hasno valve cores)to low pressureside of service porthigh pressureOPEN/CLOSE valve(liquid)sight glass(to be able to observecondition of refrigerant inside)to high pressureside of service portvacuum pump,refrigerant charging scale■Guide to determine failure element of unitRefrigeratedCheck air conditioner Heateritems Gas Running Liquid Running Failure examplespressure current pressure currentObstruction of heat dissipation due toHIGH GREAT LOW FEW filth or short circuitTest HIGH FEW HIGH FEW Failure of switch cover of the four-way valveresult Failure of room heat exchanger,HIGH FEW HIGH GREAT heat dissipation/endothermicLOW FEW LOW FEW Clog of refrigerant cycle, not enough gas※Pressure, current value of the unit, refrigerant differs by condition.Please check the manufacturer's user's manualto the low pressureside of the service port3 Airtight test4 Filling in the refrigerantAIR CONDITIONERHi：High pressure valve CLOSELo：Low pressure valve CLOSEto the high pressureside of the service portto the vacuum pump※vacuumpumpstoppedLeave for 5-10minutesvacuum pumpONMake sure that the gauge needle doesn’treturn to the“0”side(ie. make sure there are no leaks)※For high accuracy, we recommend TA142E to be usedon the vacuum port side⇒RUN AIR CONDITIONERrefrigerant cylinder valveOPENrefrigerant cylinderwith siphon pipeair purging portLo:Low pressure valveOPENOpen halfway and fillwith semi-liquid(HFC must be filled inliquid state)to the low pressureside of the service portHi:High pressure valveCLOSEthe air inside the hoserefrigerant charging scale⇒must be purged46liquidfluorocarbonTASCO JAPAN Co.Ltd.TASCO JAPAN Co.Ltd.ELECTRONIC CHARGING SCALEto the refrigerant charging scaleCalculate R22 liquid refrigerant by 20g/m (when 20℃)for the inside of 1/4 charging hose (from the manifold to the service port)TA101A冷媒充填用電子はかり※cylinder withoutsiphon pipe must beused upside-down.