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.
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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