JOAP: SANHUA - General Catalogue - 2020

14 sanhuaeurope.com GENERAL SPECIFICATIONS • Applicable refrigerant: R744(CO2) • Applicable medium temperature: -30°C ~ 80°C (electrified rate below 40%) • Applicable ambient temperature: -30°C ~ 60°C (electrified rate below 40%) • Relative humidity: below 95%RH • Installation mode: Coil upwards, central axis of valve rotor within ±15°vertical to horizontal surface. • Direction of Medium: one direction from horizontal tube to Vertical tube ELECTRICAL PARAMETERS • Rated voltage: DC12V (±10%), rectangular wave • Actuating mode: 4-phase 8-step permanent magnet stepping motor of direct-operated type • Excitation mode: 1-2 phase excitation, monopole actuation • Excitation rate: 31,3PPS (the ending excitation mode maintains 0.1~1.0s) • Current of coil:260mA/phase(20°C) • Resistance of coil:46±3.7Ω/phase(20°C) • Insulation grade of coil: E SANHUA GENERALPRODUCTCATALOGUE R series electronic expansion valve are mainly used in air conditioning systems with variable refrigerant flow to realize automatic adjustment of refrigerant flow rate and make the air conditioning systemwork under the best working condition for thepurposeof fast cooling, precise temperature control and power saving. These valves can also be used for other controls. These valves are reversible which can automatically control the flow of refrigerant in either heating or cooling mode. R SERIES ELECTRONIC EXPANSION VALVE FEATURES • APPLICABLE FOROIL-FREE COOLING SYSTEM • SMALLER INSTALLATIONSPACE: LOWHEIGHT, SMALL VOLUMEAND LIGHTWEIGHT •WIDERAPPLICABILITY FORELIMINATING SYSTEMREFRIGERANTNOISE:WITHOPTIMIZED FLOWPATH DESIGN • OUTERENCAPSULATIONCOIL STRUCTURE: BETTERCORROSIONRESISTANCE