Switchbox for Mark Calflo
Switchbox for controlling a Calflo with on/off fan based on room temperature with minimum inlet temperature restriction.
- 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.
- Failure lamps for:
- Burner failure.
- Intake air failure
- Burner fan thermally off
- Maximum failure
- Dirty filter
- Operating lamps for:
- Burner on
- Burner in operation
- Release of control
- Reset button to reset a burner failure.
- voltage free contact to operate extraction (24Vmax).
- voltage free contact (supply to third parties) to check whether extraction is operating.
- A room temperature sensor supplied separately.
- A duct temperature sensor supplied separately for the minimum inlet temperature restiction.