Advantages:

• Digital multifunction display
• / High efficiency circulator with continuous modulation
• Predisposition for on-off thermoregulation
• Provision for natural circulation solar systems
• Self-diagnosis system with code
• Single temperature zone management
• Finned copper primary heat exchanger
• Double exchanger technology
• Integrated minimum pressure switch
• Cold water inlet and heating return filters
• Low NOx emissions < 56 mg/kWh.

Features:

• Max/min nominal heat input (heating) PCI kW 25.8 / 11.0
• Max/min nominal heat input (sanitary) PCI kW 27/11,0
• Max. effective heat output/min (heating) kW 23,2 / 9,8
• Efficiency at nominal heat output PCI % 90,1
• Efficiency at 30% of the nominal flow rate PCI % 89,9
• Max/min heating temperature °C 82 / 35
• Max. temperature/min DHW °C 60/36
• Specific DHW flow rate (10 min. with T=30°C) litres/min 11.8
• Hot water quantity (?T=25°C) litres/min 14,2
• Hot water quantity (?T=35°C) litres/min 10,1
• Minimum draught Pa 4
• Nox class 6
• Smoke temperature (G20) °C 111
• CO 2 content max / min (G20) % 5.6 / 2.7
• CO content (0%O 2 ppm 81
• O2 content (G20) % 10,4
• Maximum smoke flow rate (G20) Kg/h 68,2
• Air excess % 98
• Water side pressure drop (max) T=20°C mbar 200
• Residual head for system bar 0,25
• Expansion vessel preload pressure bar 1
• Maximum heating pressure (Mpa) bar 0,3 (3)
• Expansion tank nominal capacity litres 8
• Max/min heating temperature °C 82 / 35
• Max/min sanitary temperature °C 60 / 36
• Specific DHW flow rate (10 min. with ?T=30°C) l/min 12,2
• Instantaneous hot water quantity ?T=25°C l/min 14,2
• Instantaneous quantity of hot water ?T=35°C l/min 10,1
• Minimum hot water withdrawal l/min >2
• Max sanitary water pressure (Mpa) bar 0,7 (7)
• Power supply voltage/frequency V/Hz 230/50
• Total electric power consumption W 53
• Minimum ambient temperature °C +5
• Protection rating of electrical system IP X4D
• Weight kg 25.