Switchbox C12

Switchbox for Mark Calflo

Switchbox for controlling a Calflo with on/off 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
• Digital time switch with weekly programme
• Holiday switch to allow devices to operate at the night-time temperature over longer periods
• Overtime timer adjustable from midnight to 6.00 a.m.
• Failure lamps for:
  • Burner failure
  • Intake air failure
  • Burner fan thermally off
  • Maximum/gas pressure failure;
  • Dirty filter failure;
• Operating lamps for:
  • Burner on
  • Burner in operation
  • Supply fan on
  • Release 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