Eco4S

Standard boilers
Eco4S

Standard boilers

Heating only and combi with compact dimensions - fanned and open flue

Residential

Wall Hung

ECO4S are robust and reliable solutions, best in flats and small homes.

The compact dimensions allow the boiler to be easily located, including in a kitchen cupboard.

Easy to install, use and service, it perfectly matches classic single temperature zone heating systems and domestic hot water requirements.

Simple interface which provides comprehensive information on boiler operation and advanced self-diagnostics. Everything controlled through dedicated buttons for heating and domestic hot water setting, completed by a multi-segment LCD display with icons.

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Characteristics

Models: 10 F, 18 F, 24 F, 24, 1.24 F
Compact dimensions (700x400x299 mm)
Composit hydroblock
Steel burner
Digital control panel with back-lit LCD display and dedicated push buttons
Primary exchanger made of copper pipes with anticorrosion coating
Stainless steel DHW heat exchanger
Low energy circulating pump with automatic air vent
Overheat limit thermostat for the water/flue exchanger
Hydraulic pressure switch to prevent boiler’s operating in event of low water

Technical Specification

MODELS		1.24 F	24 F	10 F	24	18 F
Heat input/output
Maximum heat input	kW	25,8	25,8	20	11,3	26,3
Minimum heat input	kW	10,6	10,6	10,6	11,3	10,6
Maximum heat output	kW	24	24	18	10	24
Minimum heat output	kW	9,3	9,3	9,3	10	9,3
Efficiency at maximum output	%
Heating circuit
Temperature range for heating circuit	°C	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45
Water capacity of expansion vessel	l	6	6	6	6	6
Domestic water circuit
Temperature range for domestic water circuit	°C	-	35-60	35-60	35-60	35-60
DHW production ΔT 25°C	l/min	-	13,7	13,7	13,7	13,7
Specific flow according to EN 625	l/min	-	11	11	11	10,7
Combustion
Diameter of separate discharge pipes	mm	80/80	80/80	80/80	80/80	80/80
Diameter of coaxial discharge pipes	mm	60/100	60/100	60/100	60/100	60/100
Diameter of the flue tube	mm	-	-	-	-	120
Flue gas mass flow rate (max)	kg/sec	0,016	0,016	0,016	0,016	0,020
Flue gas mass flow rate (min)	kg/sec	0,016	0,016	0,016	0,016	0,018
Electrical characteristics
Power supply voltage	V	230	230	230	230	230
Power supply frequency	Hz
Dimensions
Humidity protection rating (EN 60529)	IP	X5D	X5D	X5D	X5D	X5D
Dimensions (height/width/depth)	mm	730 x 400 x 299	730 x 400 x 299	730 x 400 x 299	730 x 400 x 299	730 x 400 x 299
Gas type		Natural Gas/LPG	Natural Gas/LPG	Natural Gas/LPG	Natural Gas/LPG	Natural Gas/LPG
Net weight	kg	29,5	30	30	30	29