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Specialist in Climate Control Since 1945

Switchbox C20

switchbox

Switchbox for Mark Calflo

Order code: 3002241

Switchbox for controlling a Calflo with high/low fan based on room temperature with minimum inlet temperature restriction.

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.
  • Failure lamps for:
  •     Burner failure
  •     Intake air failure
  •     Burner fan thermally off
  •     Maximum/gas pressure failure
  •     Dirty filter
  • Operating lamps for:
  •     Burner on
  •     Burner in operation
  •     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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