Control cabinet for controlling a Calflowith high/low fan based on room temperature with minimum inlet temperature restriction. With day/night temperature monitoring.
Features
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 pessure 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