Condensing Boiler Niagara Advance 25

Description

Condensing Boiler Chaffoteaux Niagara Advance 25 with 40 liters DHW Tank

Niagara Advance is a concentrate of performance, comfort and compactness, combines the technology of the new Advance range with two 20-litre boilers to meet the most demanding domestic hot water needs.

MAXIMUM PERFORMANCE

New single coil primary heat exchanger in stainless steel.
Passage sections increased by 142% compared to the previous version.
1 m more head.
Seasonal yield at 94%.
Class A+ reachable with thermoregulation.
Performance certified by the TÜV RHEINLAND Group.

MAXIMUM COMFORT

Modulation ratio 1:10.
Optimized internal silencer.
SRA function.
Gas transformation with kit included as standard.
Ready for Chaffolink connectivity.

HEALTHCARE COMFORT

40 liter reserve thanks to two stratified stainless steel inter-accumulators.
Permanent availability of domestic hot water even with discharged inter-tanks.
Domestic hot water performance ***, maximum level foreseen by the EN 13203 standard.
Flow rate up to 19.8 l/min with ΔT = 25ºC.
Integrated 2-litre sanitary expansion tank.

EASY INSTALLATION

Installation in partially protected places.
Smoke outlets 80, 60, 50 mm.
Intuitive electrical connections.

ENERGY SAVING AND RESPECT FOR THE ENVIRONMENT

Up to 20% energy savings in combination with Expert Control and the SRA function.
Up to 30% energy savings by combining Expert Control, the SRA function, the external probe and the radiant floor.
Reduced polluting emissions, NOx class 6.

Specifications Niagara Advance

Nominal thermal power max./min. heating (Hs) Qn: 24.4/2.8 kW
Nominal thermal power max./min. heating (Hi) Qn: 22/2.5 kW
Nominal thermal power max./min. DHW (Hs) Qn: 28.9/2.8 kW
Nominal thermal power max./min. DHW (Hi) Qn: 26/2.5 kW
Useful power max./min. heating (50"C-30"C) Pn: 23.5/2.6 kW
Useful power max./min. heating (80"C-60'C) Pn: 21.5/2.3 kW
Useful power max./min. DHW Pn: 25.0/2.4 kW
Burning efficiency: 97.9%
Efficiency at 30% of Qn with return at 30°C Hi/Hs: 109.7/98.8%
Efficiency at nominal thermal power (30-50°C) Hi/Hs: 106.7/96.1 %
Efficiency at nominal thermal power (60-80°C) Hi/Hs: 97.7/88%
Efficiency at minimum (60-80°C) Hi/Hs: 93.5/84.2%
Energy efficiency stars (Dir. 92/42ICEE): 4 stars
Air pressure available
NOx class: 6
Flue gas temperature (G20) (80°C-60°C): 64°C
CO2 content (G20) (80°C-60°C): 8.8%
O2 content (G20) (80°C-60°C): 4.3%
Maximum flue gas flow (G20) (80°C-60°C): 42.4 kg/h
Excess air (80°C-60°C): 26%
Expansion tank preload pressure: 1 bar
Maximum heating pressure: 3 bar
Expansion tank capacity: 8 liters
Min./max. heating temperature (high temp. regime): 35/82°C
Min./max. heating temperature (low temp. regime): 20/45 °C
min./max. temperature DHW: 36/60 °C
Specific water flow ΔT=30 °C: 18.8 Liters/m
Instantaneous DHW flow ΔT= 25 °C: 22.6 Liters/m
Instantaneous DHW flow ΔT35°C: 16.1 Litres/m
ACM comfort stars (EN 13203): 3 stars
Minimum DHW consumption: 2 L/m
min./max. pressure DHW: 7/0.2 bar
Supply voltage/frequency: 230./50 V/Hz
Total power consumed: 125 W
Ambient temperature min. operating temperature: +5°C
Electrical protection class: X5D IP
Weight: 42.5 kg
Dimensions: 600x900x460 mm