Fondital GIAVA KRB 12, Руководство по установке, использованию и техническому обслуживанию, Страница: 26 / 68

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Operating features
- CH electronic flame modulation with timer-controlled rising ramp (60 seconds, adjustable);
- Electronic flame modulation in DHW mode;
- DHW priority function;
- Flow freeze protection function: ON 5°C; OFF 30°C or after 15 minutes of operation if CH temperature > 5 °C;
- DHW freeze protection function: ON 5°C; OFF 10 °C or after 15 minutes of operation if DHW temperature > 5 °C;
- Ambient probe freeze protection function: ON at 5 °C; OFF at 6 °C;
- Timer-controlled flue cleaning function: 15 minutes;
- Ignition flame propagation function;
- Possibility to select the heating range: standard or reduced;
- CH maximum heat input parameter adjustment;
- Ignition heat input adjustment parameter;
- CH thermostat timer: 240 seconds (adjustable);
- CH pump post-circulation function, freeze protection and flue cleaning modes: 30 seconds (adjustable);
- DHW post-circulation function: 30 seconds;
- Post-circulation function for CH water temperature > 78 °C: 30 seconds;
- Post-ventilation function: at the end of each operation request, the fan continues to operate for 10 seconds;
- Safety post-ventilation function: with flow temperature > 95 °C, the fan is activated until the flow temperature drops below 90 °C;
- CH pump and deviating valve anti-shutdown function: 30 seconds of operation every 24 hours with boiler not in use;
- Anti-shutdown function for zone pumps and mixing valve (the latter for V and Z versions only): 10 seconds of operation every 24 hours with
boiler not in use;
- Anti-water hammer function: can be set from 0 to 10 seconds through parameter P15;
- High- and low-temperature zone CH system supply (V and Z versions);
- Ready for chronothermostat function on the boiler, in combination with two ambient probes;
- Ready for operation with an OpenTherm remote control (optional, supplied by the manufacturer).
- Ready for operation with external temperature probe (standard on V and Z versions, optional on all other versions).