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Specialist in Climate Control Since 1945

Switchbox C22

Order code: 3002243

Specifications:

  • Steel box with cylinder lock
  • Regulator for the room temperature and minimum inlet temperature restriction using 2-10Vdc control signal.
  • Selector for heat / off / ventilate.
  • High/low selector supply fan selector.
  • Digital time switch with weekly programme;
  •   A holiday switch to allow the device to be operated at the night-time temperature over longer periods.
  •   A digital timer (0-6 hours) to switch to the daytime mode temporarily outside the clock programme.
  • Failure lamps to indicate:
  •     A burner failure;
  •     A supply air pressure failure;
  •     A burner fan thermally off failure
  •     A maximum/gas pressure failure;
  •     A dirty filter failure;
  • Operating lamps to indicate:
  •     Burner on
  •     Burner off
  •     Supply fan low
  •     Supply fan high
  •     Release control.
  • Reset button to reset a burner failure.
  • voltage free contact to start extraction (24V max).
  • voltage free contact to switch extraction to high (24V max).
  • voltage free contact (supply to third parties) to check whether extraction is operating at low.
  • voltage free contact (supply to third parties) to check whether extraction is operating at high.
  • A room temperature sensor supplied separately.
  • A duct temperature sensor supplied separately for the minimum inlet temperature restiction.

Controls/to be applied for:

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