Additionally required coaxial horizontal flue 33318073

New generation of condensing boilers with Ariston NET remote control thanks to built-in WI-FI modem.

Fast hot water delivery in two modes. - Comfort plus mode: hot water always available in 5 seconds. - Comfort mode: hot water always available within 30 minutes after last use.

FEATURES AND BENEFITS

• Supports Ariston NET remote control thanks to built-in WI-FI modem

• Liquid crystal display

• Busbridge net communication protocol

• Optimized internal muffler / power modulation 1:8

• Can be installed in confined spaces

• Auto, Comfort functions

• Flue diameter – 80/60 m

POWER CHARACTERISTICS

Max./min. nominal heat output at lower calorific value (Pci), Qn kW - 28.0/4.3

Max./min. nominal heat output at higher calorific value (Pcs), Qn kW - 31.1/4.8

Max./min. nominal DHW heat output at lower calorific value (Pci), Qn kW 30.0/4.3

Max./min. nominal DHW heat output at higher calorific value (Pci), Qn kW - 33.3/4.8

Max./min. heating output (80°C-60°C), Pn kW - 27.4/3.9

Max./min. heating output (50°C-30°C), Pn kW - 30/4.5

Max./min. DHW output, Pn kW - 28.7/4.1

Combustion efficiency (at flue gas outlet) % - 98

Efficiency at nominal heat output (60/80°C) Hi/Hs % - 97.9/88.2

Efficiency at nominal heat output (30/50°C) Hi/Hs % - 107.3/96.6

Efficiency at 30% heat output (30°C) (condensation) Hi/Hs % - 109.6/98.7

Efficiency at minimum heat output (60/80°C) Hi/Hs % 91.1/82

Heat losses with flue gases % - 2

EMISSIONS

Boiler fan pressure Pa - 100

NOx emissions class - 6

Flue gas temperature (G20) (80°C-60°C) °C - 62

Excess air (80°C-60°C) % - 25

HEATING CIRCUIT

Expansion tank pressure bar - 1

Maximum pressure in heating circuit bar - 3

Expansion tank volume L - 8

Min./max. heating temperature (upper temperature range) °C - 35/82

Min./max. heating temperature (lower temperature range) °C - 20/45

DOMESTIC HOT WATER CIRCUIT

Max./min. domestic hot water temperature °C - 36/60

Average DHW flow rate (ΔT=30°C) L/min - 14.5

DHW flow rate (ΔT=25°C) L/min - 17.4

DHW flow rate (ΔT=35°C) L/min - 12.5

Minimum hot water flow rate L/min - less than 2

Max./min. domestic hot water circuit pressure bar - 7/0.3

ELECTRICAL CHARACTERISTICS

Supply voltage/frequency V/Hz 230/50

Total power consumption W - 83

Electrical protection class IP X5D

Weight kg 32.3