Gas condensing Boiler Luna Duo-tec E 33

Description

Gas condensing Boiler Baxi Luna Duo-tec E 33

• New modern and elegant design
• Wide modulation ratio up to 1:7 (1:6 mod. 1.12 GA) better efficiency and noiseless operation
• Gas Adaptive Control (GAC) system: combustion automatic control to maintain constantly the highest level of efficiency
• High efficiency full modulating circulating pump
• Digital control panel with back-lighted LCD display
• Remote control Baxi Mago available as optional Integration with solar system option
• Complete soundproofing of the generator
• Frontal access for advanced diagnostics

Hydraulic system

• 3 way electric diverter valve (also heating only models)
• Stainless steel premixing burner
• Stainless steel water/flue heat exchanger
• Stainless steel enhanced DHW exchanger to ensure condensation also in DHW mode (Combi models)
• Modulating fan with electronic speed adjusting system
• Automatic by-pass
• High efficiency full modulating pump of the heating circuit with built-in air vent
• System to prevent pump and diverter valve sticking operating every 24 hours
• Heating circuit relief valve set at 3 bar

Thermoregulation system

• Built-in climatic regulation (outdoor sensor available as optional)
• Control of multi-zones system option

Control system

• Overheat limit thermostat of the water/flue exchanger
• Hydraulic pressure switch to prevent boiler operating in event of low water
• Safety NTC sensor against flues overheat
• Electronic temperatures control by NTC sensors
• Full anti-frost device
• Electronic thermometer
• Digital heating circuit pressure gauge

Technical Data

The price includes the flue gas exhaust kit.

Nominal thermal power DHW production = 34 kW; Nominal heating power = 28.9 kW
Reduced thermal power = 4.8 kW
Nominal thermal power for heating 80/60°C / for DHW production =28/33 kW
Useful thermal power at 30% nominal thermal power. and low temp regime. *P1 = 9.4 kW
Loading profile: XXL. Seasonal energy efficiency class for space heating / DHW production: A/A
Useful efficiency (pci) Pn - average temperature 70°C =97.8%
Useful efficiency (pci) at 30% - return temperature 30°C = 108.9%
Emissions of nitrogen oxides NOx: 15 mg/kWh
Minimum operating temperature -5°C
Heating expansion vessel capacity = 10 liters
Water temperature regulation heating circuit 25-80°C
Domestic hot water temperature adjustment 35-60°C
Specific flow according to EN 625 / Domestic hot water production (at ΔT=25°C): 15.8/18.9 liters/min.
Minimum sanitary circuit pressure 0.15 bar. Maximum water pressure heating circuit 3 bar
Maximum sanitary circuit pressure = 8 bar
Maximum length of coaxial exhaust-suction tube Ø 60/100 / separated Ø 80 m: 10/80
Maximum flue gas temperature: 80°C
Dimensions (h x w x d) = 763 x 450 x 345 mm
Net weight =39.5 kg
Gas type Methane/LPG
Electric power = 106 W
Sound power level, indoors LWA =53 dB
Degree of electrical protection: IPX5D.