Switchbox C22

Order code: 3002243

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.