Resideo DKG 972-N Mod.21 Boiler Automate.

The Resideo DKG 972-N Mod.21 boiler control unit, art: 0432021 – is a device for controlling two-stage gas burners. Tested and certified according to European standards. Ensures efficient and safe operation of the fuel combustion system, prevents emergency situations. 

Main parameters and features:

• for atmospheric gas burners with two stages of power regulation;
• intermittent operating cycle, controlled restart every 24 hours;
• self-diagnosis of system operation to identify malfunctions;
• built-in microprocessor, high accuracy of signal processing;
• operating voltage 220-240 V, permissible deviation -15%, +10%;
• low voltage detection with protective shutdown;
• flame control by ionization electrode, UV or infrared sensor;
• button on the housing for manual system unlocking;
• restart in case of flame failure (maximum number of times – 4);
• indication during operation and failures (absent during startup);
• stable operation regardless of voltage fluctuations in the network and temperature variations;
• protection level of electrical components against dust and moisture IP40;
• fire-resistant housing made of transparent plastic for reliable protection of automation;
• mounting in the system in any position;
• simplicity and reliability of connection;
• non-volatile memory that saves data about the last failures;
• operating temperatures: -20...+60 °C;
• complete with connection cables, without base (purchased separately).

DKG 972 boiler control units comply with European standards EN298 and EN230 and other relevant directives. During operation, it is necessary to exclude icing, condensation, and moisture ingress.