Coaxial horizontal flue 3318073 is additionally required

Model – CLAS ONE SYSTEM
SINGLE-CIRCUIT Condensing boiler with a wide range of functions
Durability, high performance: with Xtratech stainless steel heat exchanger with tube cross-section increased by 142%.
Reduced consumption: possibility of achieving heating energy efficiency class A+ when using thermoregulation devices

• Frequency pump
• LCD display
• Busbridge net communication protocol
• "AUTO", "COMFORT" functions
• Optimized internal muffler
• Modulation ratio 1:7
• Possibility of installation in confined spaces
• Flue diameter – 80/60 mm

ENERGY CHARACTERISTICS

Heat output, max/min (80 °C - 60 °C) Pn kW 31 / 5
Heat output, max/min (50°C - 30°C) Pn kW 34.4/ 5.6
Fuel combustion efficiency (measured at flue gas outlet) % 98.0
Efficiency at nominal power (60/80 °С), Hi/Hs % 97.5
Efficiency at nominal power (30°/50°C) Hi/Hs % 108.2
Efficiency at 30% of nominal power (30° C) (condensation mode) Hi/Hs % 109.8
Efficiency at minimum power, Hi/Hs % 93.3
HEATING
Expansion tank pressure bar 1
Maximum expansion tank pressure. bar 3
Expansion tank volume l 8
Water temperature in the heating circuit (high-temperature mode), min/max °C 35 / 82 Water temperature in the heating circuit (low-temperature mode), min/max °C 20 / 45
ELECTRICAL CHARACTERISTICS
Voltage and frequency V/Hz 230/50
Power W 115
Energy Efficiency Index (EEI) > 0.23
Air temperature min °C +5
Protection class IP X5D
Weight kg 34.6