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FumexVehicle Exhaust Gases

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Control units for improved working environments and lower energy consumption. Control units comprise specially adapted and tested components. A well designed system provides important benefits for the user; Automatic systems provide energy savings. Lowest possible noise level. The control voltage is 24V.

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To help find the right system, a number of ready solutions are available, including:

  • Fan start and stop, with/without speed control
  • Fan start and stop, with switch
  • Individual damper control, plus fan start and stop via switch
  • Individual damper control, plus demand-based fan control via a pressure sensor and frequency converter

Control can be manual or automatic, with or without time delay.

  • Frequency converter, SFC
    • Infinitely variable speed adjustment of fans, etc.
    • Fumex can supply pre-programmed frequency converters for simple installation
  • Potentiometer, SFC POT
    • For manual, infinitely variable fan speed adjustment via a frequency converter
  • Rotary switch, SFC VSS
    • For 2-stage fan speed adjustment via a frequency converter
  • Switch, SFC SB
    • For fan start/stop via a frequency converter
  • Pressure sensor, ST 300
    • Uses a frequency converter to achieve a constant negative pressure in exhaust air channel
    • Always provides the correct airflow regardless of the number of open and closed dampers
  • Control unit, S 200
    • For automatic damper motor and/or fan control
    • Adjustable timer card for run-on times longer than 30 sec as an accessory
  • Control unit, S 400
    • For automatic damper motor control
    • Pre-set run time for evacuation of remaining gases; 0 – 15 min
  • Transformer unit, S 600
    • Used for supplying 24 VAC to S 400
    • Fan control via external switches
    • Can be used in a separate system together with SKD junction box and KHT 600 switch kit or SMT 60 mechanical time switch.
  • Protective motor switch, SMB
    • 3-pole with thermomagnetic tripping action
    • For operating and protecting fan motors
  • Switch, SKO
    • 3-pole with time delay overcurrent relay for manual resetting
  • Automatic damper, SAS
    • Rotary damper for applications requiring short run times
    • The damper blade takes 7.5 sec to open, which means 95% suction capacity after 3 sec
    • Airtightness class 1 as standard