Advantages:

• Comfort Function: Speeds up the delivery of hot water in two modes: Comfort Plus Mode (water always hot in just 5") and Comfort Mode (hot water for 30' after the last draw)
• Auto Function: Maximum comfort, efficiency and energy saving based on automatic analysis of environmental conditions, connected external devices and required performance
• System management: New communication protocol designed to ensure complete system management
• LCD display
• High efficiency circulator with continuous modulation
• Ready for Ariston Net connectivity
• Bus Bridgenet communication protocol
• Arranged for multi-zone and multi-temperature thermoregulation
• Ready for solar system management
• Auto and comfort function
• Finned copper primary exchanger
• Cold water inlet and heating return filters
• Low NOx emissions < 56 mg/kWh.

Features:

• Max/min nominal heat input in heating mode (Hi) 29,5 / 13,0 kW
• Max/min nominal heat input in heating mode (Hs) 32,8 / 14,4 kW
• Max/min nominal heat flow rate for sanitary applications (Hi) 29.5 / 13.0 kW
• Max. nominal heat input for DHW/min (Hs) 32.8 / 14.4 kW
• Max. heat output/min 26.6 / 11.6 kW
• Max DHW output/min 26.6 / 11.7 kW
• Combustion efficiency (at flue gas) Hi/Hs 92.9%
• Efficiency at nominal heat output (60/80°C) Hi/Hs 90.2 / 81.2%
• Yield at 30% at 47°C Hi/Hs 90,3 / 81,3%
• Efficiency at minimum Hi/Hs 89,4 / 80,5%
• Maximum heat loss at the shell (?T=50°C) 2,7%
• Losses at the chimney of the working burner 0,4%
• Losses at the chimney with burner off 7,1%
• Minimum draught 4,2PA
• Nox class 6
• Flue gas temperature (G20) 119 degrees
• Content of CO2 max / min (G20) 5.6 / 2.8%.
• CO content (0%O2) 90 ppm
• O2 content (G20) 10.1%.
• Max smoke flow rate (G20) 72.8 Kg/h
• Air excess 93%
• 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 0,3(Mpa)
• Expansion tank nominal capacity 8 litres
• Max/min heating temperature °C 82 / 35
• Max/min sanitary temperature °C 60 / 36
• Specific flow rate in DHW (10 min. with ?T=30°C) 13,2 l/min
• Instantaneous hot water quantity ?T=25°C 15,8 l/min
• Instantaneous hot water flow ?T=35°C 11,3 l/min
• Minimum hot water withdrawal l/min >2
• Domestic water pressure max 0,7 (Mpa)
• 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 27 Kg.

Connections

• Plant delivery Ø 3/4 gas
• Sanitary outlet Ø 1/2 gas
• Gas inlet Ø 3/4 gas
• Sanitary inlet Ø 1/2 gas
• System return Ø 3/4 gas