Controller for Electronic Expansion Valve

Customized products Controller for Electronic Expansion Valve

Electronic expansion valve controller is applicable for cooling systems such as room air conditioners, commercial air conditioners and freezers which is the core component for refrigerant flow control.

Technical parameters

  • Features

    High sharing design

    • Adopting sharing PCB design (4 models), applicable for detections of three temperature sensors or one temperature and one pressure sensor
    • Applicable for split or packaged unit,either cooling or both cooling and heating with various voltage
    • Applicable for all Sanhua electronic expansion valves allowing trouble-free seclection and compatibility for customers
    • The controller is equipped with a whole set of advanced system control solutions for which parameters could be adjusted according to users’ requirements


    High quality design

    • Adopting overheat feedback control, PID core algorithm adjustment and control as well as functions such as abnormal protection control, defrosting control and sensor abnormal alarm
    • Using imported high quality elements for important components to ensure control accuracy of the controller
    • The bottom is painted with silica gel to improve dust-free, moistureproof and corrosion resistance performance
  • Technical parameters
    Project / Shared Model Cooling & Heating Type
    Voltage DC12V±10%, AC24V±10%, AC100V~AC240V
    Frequency 50Hz/60Hz
    Construction mode One-unit, duel-panel FR-4 design
    Ambient temperature and humidity -20ºC ~ +70ºC, 10% ~ 95%
    Storage environment temperature and humidity -30ºC ~ +85ºC, 10% ~ 95%
    Rated Electric Input Power 20VA
    Max. Electric Input Power 30VA
    Applicable Expansion Valve Type Q series, O series, S series , R series , T series
    Applicable Expansion Valve Port Size 1.3mm ~ 6.5mm
    Applicable Expansion Valve Full Open Pulse 500Pulse, 2000Pulse
    Applicable Expansion Valve Excitation Mode 1~2 phase excitation, 2~2 phase excitation
    Size 90x70mm, 100x80mm, 110x90mm, available for customization as per customers’ needs
    Certification 3C/CE/ETL/TUV/UL(including EMC)
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