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mcr 0204 unit is used to activate devices of “Mercor” S.A. smoke exhaust devices by alarm signal from various sources. The control unit is supplied from 230 V~ and feeds 24 V- voltage to electric smoke exhaust system devices Batteries may stand-by for 72 hours  with a single launching of devices possible after that time (e.g. opening smoke vents). The mcr 0204 control unit is also used in smoke exhaust systems to control the operation of electric actuators of mcr PROSMOKE FSv2 CE smoke curtains.

The control unit allows for:

  • activation by the use of alarm buttons
  • automatic activation from conventional smoke sensors
  • providing information of system status: alarm/fault
  • co-operation with mcr RPO-1 alarm button ►
  • remote alarm reset and vents closing
  • manual opening of smoke exhaust vents for daily ventilation
  • during normal operation without alarm state
  • automatic closing of vents opened for daily ventilation in case of rain fall or strong window, in response to a signal from weather monitoring unit (does not interfere with alarm operation)


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tel. 58 341 42 45

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The administrator of your personal data is "MERCOR" S.A. with its registered office in Gdańsk, entered into the KRS instruction under the number 0000217729.