Baxi DUO-TEC COMPACT E Condensing Boiler 28kW Natural gas/LPG A7722083
BXI A7722083
8022945018522
Baxi condensing boiler model DUO-TEC COMPACT E:
- Nominal domestic heating capacity 28kW
- Nominal heating heat flow rate 24.7 kW
- Type of gas Natural gas/LPG
- GAC (gas adaptive control): automatic combustion control
- Compact dimensions: 700x400x299 mm
- Energy class sanitary/heating A
- Load profile XL
- Mox 6 according to EN 15502
€1,054.08
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Advantages:
- Modern and elegant design throughout the range
- Wide 1:7 modulation range greater efficiency and quiet operation
- Digital control panel with large backlit LCD display
- Electric three-way diverter valve
- Stainless steel premix burner
- Stainless steel water/fumes exchanger
- Increased stainless steel sanitary heat exchanger that allows the boiler to condense even in sanitary operation
- Modulating fan with electronic speed variation
- Automatic by-pass
- High-efficiency circulation pump with total modulation
- Pump antilock system and three-way valve that trips every 24 hours
- 3-bar heating circuit safety valve
- Safety thermostat against overheating of the water/flue exchanger
- Hydraulic pressure switch that blocks gas in case of water shortage
- Safety NTC probe against flue gas overtemperatures
- Temperature control by NTC probes
- Total antifreeze device
- Electronic thermometer
- Heating circuit pressure gauge
Features:
- Reduced heating capacity 3.9kW
- Rated domestic heating capacity 28 kW
- Rated rated heat output 24 kW
- Useful heat output at nom. heat output and high temp. regime 24 kW
- Useful heat output at 30% nom. heat output and low temp regime 8 kW
- Seasonal energy efficiency of space heating ?s 93%.
- Energy efficiency of water heating 86%
- Useful efficiency at rated thermal power and high temp regime 87.9%
- Useful efficiency at 30% rated thermal power and low temperature regime 98%
- Useful efficiency (pci) Pn - average temperature 70°C 97.6%
- Useful efficiency (pci) at 30%-return temperature 30°C 108.8%
- Useful efficiency (pci) intermediate- average temperature 70°C 98.0%
- Emissions of nitrogen oxides NOx 17 mg/kWh
- Minimum operating temperature -5 C
- Expansion tank capacity 7 liters
- Heating circuit water temperature regulation 25-80 C
- Domestic water temperature regulation 35-60 C
- Specific flow rate according to EN 13203-1 13.4 l/min
- Domestic water production ?T 25°C 16.1 l/min
Sanitary:
- Minimum domestic circuit water flow rate 2 l/min
- Minimum heating circuit water pressure 0.5 bar
- Minimum dynamic sanitary circuit pressure 0.15 bar
- Maximum heating circuit water pressure 3 bar
- Maximum sanitary circuit water pressure 8 bar
- Maximum length of concentric exhaust-suction pipe Ø 60/100 10 meters
- Maximum length of split exhaust-suction pipe Ø 80 80 meters
- Flue gas mass flow rate max 0.012 kg/s
- Flue gas mass flow rate min 0.002 kg/s
- Flue gas temperature max 80 C
Technical data:
- Dimensions (hxlxp) 700x400x299 mm
- Net weight 34 kg
- Rated electrical power 99W
- Auxiliary electricity consumption at full load elmax 0.042 kW
- Auxiliary electricity consumption at partial load elmin 0.013 kW
- Auxiliary electricity consumption stand-by mode 0.003 kW
- Sound power level, indoor 48 dB
- Degree of protection IPX5D
Connections:
- Radiator supply G 3/4
- Sanitary outlet G 1/2
- GAS Gas inlet G 3/4
- Sanitary inlet G 1/2
- Radiator return G 3/4
- Condensate drain pluggable on Ø 22 pipe
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Data sheet
- Type: Boilers
- Model: Natural gas/LPG
- Thermal power: 28 kW
- Energy class: A
- Series: Duo-Tec Compact E
