heating discharge pressure curvesPerformance curves diagramDomestic air conditioner75outdoor tem p.(hum idity 46% )D B /W B 15 20 2515 2941 3069 316510 3005 3101 31975 3053 3133 32290 3101 3165 32615 3165 3197 329310 3062 3154 320015 2567 2644 266920 2459 2507 2531(9+ 12)performancecurvesHeating discharge pressure.tableindoor tem p.100015002000250030003500400015 10 5 0 5 10 15 20D IS C H A R G E P R E S S U R EO utdoor T em pH E A T IN G D IS C H A R G E P R E S S U R E 152025