Switchbox C22

Switchbox for Mark Calflo
Switchbox for controlling a Calflo with high/low fan based on room temperature with minimum inlet temperature restriction. With day/night temperature monitoring.
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
Order code
- 3002243