English 
Code 3300845
Series ALTEAS X
Name ALTEAS X 24 FF NG
Status Produced
Main characteristics
Product Boiler
A type Traditional
Heating method Gas
Mounting method Wall
Installation method Vertical
Type of gas Natural gas
Design
The combustion chamber Closed
Flue gas discharge Forced smoke removal
Number of loops 2
Number of heat exchangers 2
Expansion tank Yes
Built-in boiler No
Fan Yes
Circulation pump Yes
3-way valve Yes
Built-in Wi-Fi Yes
Energy Characteristics
Power kW 24
Nominal heat output for the heating circuit, no more / no less (Hi) kW 25.8 / 11
Nominal heat output for the heating circuit, no more / no less than (Hs) kW 28.7 / 12.2
Nominal heat output for hot water, no more / no less than (Hi) kW 25.8 / 11
Nominal heat output for hot water, no more / no less than (Hs) kW 28.7 / 12.2
Thermal output power (heating mode), max. / Min. kW 24.0 / 9.5
Thermal output power (DHW mode), max. / Min. kW 23.6 / 10.0
Efficiency of combustion of fuel (measured at the output of combustion products), Hi / Hs % 93.7
Efficiency at rated power (60/80 ° C), Hi / Hs % 93.1 / 83.8
Efficiency at 30% of nominal (47 ° C) Hi / Hs % 93.3 / 84
Efficiency at minimum power, Hi / Hs % 86.7 / 78.1
Class on efficiency (directive 92/42 / EEC) ***
Maximum heat loss through the housing at ΔT = 50 ° C % 0.6
Loss of heat through the chimney with the burner on % 6.3
Heat loss through the chimney with the burner off % 0.4
Emissions
Residual blower pressure Pa 120
NOx class 3
The temperature of the combustion products (G20) ° C 117
CO2 content (G20) % 6.5
CO content (0% O2) ppm 60
The content of O2 (G20) % 8.8
The amount of combustion products (G20) m3 / h 56.9
Excess air % 72
Heating
Pressure in the expansion tank bar 1
Maximum pressure in the heating circuit bar 3
Volume of the expansion tank l 8
Water temperature in the heating circuit (not less / no more) ° C 35/82
DHW
The water temperature in the DHW circuit (not less / no more) ° C 36/60
The water flow in the DHW circuit (ΔT = 25 ° C) l / min 13.5
The water flow in the DHW circuit (ΔT = 35 ° C) l / min 9.6
Comfort class according to DHW (EN13203) **
Pressure in the DHW circuit, not more than bar 7th
Electrical Characteristics
Voltage AT 230/50
Power Consumption W 84
Minimum allowable room temperature ° C 5
Protection class IP IPX5D
Power supply Power cord without plug
Length of electric cable m 1.5
Gas pressure and flow
Maximum gas consumption in DHW mode (G20) m3 / h 2.73
Maximum gas consumption in DHW mode (G31) kg / hr 2
Maximum gas consumption in heating mode (G20) m3 / h 2.73
Maximum gas consumption in heating mode (G31) kg / hr 2
Smoke removal and air supply
Type of smoke removal system C12-C22-C32-C42-C52-C62-C82-B22-B22p-B32
Chimney diameter mm 60/100
Maximum length (Ø60 / 100) m 4
Connections
Gas inlet " 3/4
Cold water inlet " 1/2
Hot water outlet " 1/2
Heating circuit supply line " 3/4
Return line of the heating circuit " 3/4
Dimensions and weight
Height mm 745
Width mm 400
Depth mm 319
The weight kg 29
Additional Information
Guarantee g 2
A country Italy
EAN 5414849622777