EXD-HP1/2

EXD-HP1/2 are stand-alone universal superheat and or economizer controllers for heat pumps, heating units, air conditioning and precision cooling such as telecom and shelter applications.

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Specifications

Function
Superheat controller, Economizer controller
Refrigerants compatibilities
R410A, R134a, R22, R407C, R454A, R454C, R1234yf, R1234ze(E), R452B, R32, R452A, R448A, R449A, R454B, R290

Features

  • Self adapting superheat/economizer control in conjunction with Copeland stepper motor driven electronic expansion Valves EXM/EXL
  • Discharge hot gas temperature control by liquid/vapor injection to compressor
  • EXD-HP1: Controller with one EXV output
  • EXD-HP2: Controller with two independent EXV outputs
  • Controllers as slave with Modbus (RTU) communication capability. All data (read/write) accessible by any third party controller having modbus communication (RTU)
  • Upload/download key (accessory) for transmission of parameter settings among controllers with the same setting
  • Low pressure switch and freeze protection function
  • Manual positioning of valve(s)
  • Limitation of evaporating pressure (MOP)
  • Low/high superheat alarm
  • Monitoring of sensors and sensor wiring / detection of sensor and wiring failures
  • Integrated display (3-digit LEDs) and keyboard; Electrical connection via plug-in type screw terminals (included with controller); DIN rail mounting housing

Documents & Drawings

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