Chaffoteaux PIGMA ADVANCE EXT 25 condensing boiler complete with methane flue gas exhaust kit, code 3310577 - NEW

Technical Features

Energy label specifications according to the European ErP directive

Heating energy efficiency class A+

Sanitary energy efficiency Class A Extraction profile: XL

Energy performance

Nominal heat input in heating max/min (Hi) Qn: 22.0/3.7 kW

Nominal heat output in domestic hot water max/min (Hi) Qn: 24.4/4.1 kW

Max/min heating power (80°C-60°C) Pn: 21.4/3.4 kW

Max/min heating power (50°C-30°C) Pn: 23.6/3.95 kW

Max/min useful power for sanitary water Pn: 24.9/3.5 kW

Efficiency at nominal heat output (60/80°C) Hi/Hs: 97.5/87.8%

Efficiency at 30% of Qn with return to 30°C Hi/H: 109.8/98.9%%

Performance stars (dir. 92/42/EEC): ****

Leaks in the chimney of a working burner: 2.0%

Emissions

Residual evacuation head: 100 Pa

NOx class. 6

Flue gas temperature (G20) (80°C-60°C): 61°C

Maximum flue gas flow rate (G20) (80°C-60°C): 42.1 kg/h

Excess air (80°C-60°C): 23%

Heating/Sanitary Circuit

Expansion vessel capacity 8 litres

Maximum heating pressure: 3 bar

Min/max heating temperature (high temperature range): 35/82 °C

Min/max heating temperature (low temperature range): 20/45 °C

Min/max sanitary temperature: 36/90 °C

Specific flow rate in sanitary water (10 min. with ∆T=30°C): 12.1 l/min

Instantaneous quantity of hot water ∆T=25°C - ∆T=35°C: 15.5 - 10.4 l/min

Health comfort stars (EN13203): ***

Minimum hot water withdrawal: 2 l/min

Electrical data

Supply voltage/frequency: V/Hz 230/50

Total absorbed electrical power: 77 W

Circulator energy efficiency index: EEI ≤ 0.23

Minimum ambient temperature for use: - 15°C

IP X5D protection rating

Dimensions

HxWxD: 766 x 505 x 240 mm

Weight: 29.7 kg

Gas: Methane/LPG