Switchbox C20

Switchbox for Mark Calflo

Switchbox for controlling a Calflo with high/low 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
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

Maximum performance with the Calflo Make-up Air System The Mark CALFLO is a Make-up Air System for heating. This means...