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Sensing & Control

PT Gemilang Reksa Buana has a DOTECH distributor certificate for the modernization of clients equipment.

Dotech DX Series

Universal Intelligent Controller [DX Series]

  • Simple Operation & Authorization Setup Function Per Each Access Code
  • Big Size Graphic LCD (240×128, 5 inch)
  • Error Message & Alarm Display (Operation Status Recording Devise Embedded)
  • Reliable Preventative and Maintenance Function
  • Solution against Noise from the External Environment
  • Various Analogue Output Function
  • RS485 Communication Function
  • Compact & Slim Size- Various Sensor Lineups
  • IP65 Certification
  • Temperature & humidity control function, Max. 6 loop of independent step operating function
  • Alternative operation by max. 4 compressors and 8 heaters
  • Backup operating function
  • Prevention from frequent starting failure occurred by low pressure hunting sing low pressure switch in compressor
  • Successive starting function, pump down function and prevention from restarting function
  • Control function for cold water, hot water, steam valve, SCR, damper designed for HVAC(4~20mA PID control)
  • Detection of error in temperature and humidity sensor, Alarm function, Output of equipment state (Refrigeration, Humidification, Heating and Humidification)
  • Efficient step/stepless control, convenience for operation and inspection
  • One-touch setup function (Choosing the maker -> Automatic setup according to their basic spec.)(Bitzer, Hitachi, Refcomp, Fusheng, Hanbell, Mitsubishi, Roltec, Kobe)
  • Strong timer function (Step delay, Start delay, Auto-stop delay, Restart delay, Pump down delay)
  • Temperature control, Pressure control (Input temperature, Output temperature, Intake pressure control, Discharge gas temperature control and observation)
  • Efficient control of recipro / scroll compressors
  • Variable applications (Chiller, CDU, Spot-cooler)
  • Strong storing and/or monitoring function for trip alarm history/state (Max. 200 cases)
  • Strong timer function (Start delay, Restart delay, Pump down delay)
  • Temperature control, pressure control(Input temperature, Output temperature, Intake pressure control, Discharge gas temperature control and observation)
  • Suitability for rack control of multi condensing unit
  • Control for max. 8 compressors and 8 condensing fans (Basic : 4 compressors + 4 condensers)
  • Efficient control for the number of equipment(Setting On/Off value per individuals and/or per between steps)
  • Perfect equal control (Within 1 hour difference of the total accumulated operation time)
  • Pressure/temperature control(Individual and/or interlocking control for intake pressure, discharge pressure)
  • Strong storing and/or monitoring function for trip alarm history/state (Max. 200 cases)
  • Optimal function for condensing fan speed control (4~20mA PID control)
  • Transmission output function (Pressure / Temperature transmission)
  • PC monitoring system using RS485 communication based on MODBUS protocol
  • Basic built-in control function for 1 cycle, 1~2 cycle
  • Embedding the best control algorism for heat pump system
  • Strong storing and/or monitoring function for trip alarm history/state (Max. 200 cases)
  • Transmission output (Temperature transmission)
  • PC monitoring system using RS485 communication based on MODBUS protocol

Dotech CX9230

Smart Chiller Controller [CX9230]

For Reciprocating and Scroll Compressors(Chiller and CDU) and Etc.

  • Super PID Control Algorithm
  • Dual Sensor Input Processing
  • Powerful Trip Data Log
  • Various Analog Outputs
  • Multi language Support
  • Flexible and Reasonable Choice
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