Multi Unit Controller (MR)
Multi Unit Controller (MR) Auxiliary Parts (Multi Unit Controller) Penang, Malaysia, Seberang Jaya Supplier, Suppliers, Supply, Supplies | IASE Trading Sdn Bhd
Multi Unit Controller (MR) : An auxiliary control device that can control up to 12 units of Hitachi compressors. This allows energy saving as it stops the compressors progressively when production air requirement reduces. It starts up the compressors progressively when air demand increases.


User Friendly LCD Touch Panel

Easy operation setting through the dialog type interface.

Weekly Operation Function and 2nd Pressure Setting Function as Standard Equipment

  • It is possible to set the weekly schedule operations of multiple units of compressors.
  • In case of changing to 2nd pressure setting, the operation pressure is automatically changed, enabling better saving of energy.


  • Compared with the conventional parallel operation (suction throttle control), significant energy-saving is achieved by the multi-unit control system of Multi Roller EX.
  • Even higher energy-saving can be achieved by combination of Vplus compressor.

Control Function by Pressure Prediction (JP No.3404492)

  • When the minimum pressure drop is predicted, compressor restart will be triggered earlier so as to prevent further pressure drop.

Control of Auxiliary Equipment

  • Control of up to 12 separately placed air dryers and up to 2 cooling water pumps is possible.

Possible for 3 patterns of control

  1.  Rotary Control
    Sequential Start/Stop of Fixed Speed Type Compressor
  2. 2 Loop Control
    Multiple VSD or Fixed Speed Type with separate rotary control
  3. Turn-Back Control
    Control of Fixed Speed Type with different air capacities (Turn-Back Control is Available ONLY on Fixed Speed Type)

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