HBDF mk2 instruction manual 15 EN
June - 2021 WWW.HBPRODUCTS.DK
7 / 12
Simple defrost with electric heater.
Page 1: ...outputs Simple analog Provide a simple analog signal 4 20 mA linear to the ice thickness for a PLC Smart analog Provide an analog signal when the specified ice thickness is reached and when defrost ca...
Page 2: ...point out important safety instructions for the user It will always be found in places in the chapters where the information is relevant The safety instructions and the warnings must always be read an...
Page 3: ...The wire must be between the fins where ice will built up It can be on the inlet side on the outlet side or in the middle of the evaporator If you have the overview of where ice is building up you do...
Page 4: ...d from the evaporator Use the terminal connector delivered together with the wire HBDF snap on Clip can be used for securing the wire but passing behind the pipes provide a better and more secure fast...
Page 5: ...formed and place both wires and temperature sensor there Sensor wire is passed in out through the evaporator from the inlet side to the outlet side as shown The second picture show ice on the air outl...
Page 6: ...2 plug for communication and setup The sensor needs power connection to be setup and to have the correct function of the relays Wiring the HBDF Mk2 When the wire ground cable and temperature sensor is...
Page 7: ...HBDF mk2 instruction manual 15 EN June 2021 WWW HBPRODUCTS DK 7 12 Simple defrost with electric heater...
Page 8: ...that indicates you have changed something and need to store the data in the sensor The sensor has three different operation modes The sensor mode is selected in the basic settings Simple analog In th...
Page 9: ...for a period defined by a parameter When the time has passed the evaporator should be dry and free from ice ready for a new cycle Parameters used for controlling the output Filter time constant avera...
Page 10: ...period sensor delay time This Relay2 can be used for initiating the fan to blow the water out of the evaporator or to prevent the fan from blowing the water out During the defrost time and sensor dela...
Page 11: ...on in the box Press the green button until the red LED turn off Press the green button once and the calibration is done Using the HB tool Connect power supply to the box Connect the HB tool to the box...
Page 12: ...nd of the wire is outside the evaporator and use the terminal connector If that doesn t solve the problem the wire has to be replaced No analog output or Relay contact activation There may be bad grou...
