MONTEGRAPPA pellet boiler model AKTIV 23 S – 28 S – 35 S

Description

MONTEGRAPPA pellet boiler model AKTIV 23 S – 28 S – 35 S

Compact and with an essential design, Aktiv is the pellet boiler for heating water. The cladding and structure are made of painted steel. Accessory on request additional pellet tank, reversible DX/LH capacity: 350 kg – dimensions: 74L x 189h x 81p cm composed of: PELLET AUXILIARY TANK KIT net weight 100 kg AUGER KIT FOR AUXILIARY TANK net weight 25 kg

Customization and adaptability to any type of environment Possibility for the user to adjust the calibration of the pellet combustion Silence and maximum comfort Reduction of pellet consumption for greater savings Reduction of polluting emissions Maximum adaptability to any type of pellet, to the flue and to the different types of installation Minimal and easy maintenance: Cleaning the boiler is quick and easy High water efficiency Flexibility of installation thanks to the different types of system that can be set Possibility of setting the temperature of the operating and starting water of the circulator Possibility of connecting the thermostats and the room temperature probe Possibility of connecting the temperature probe and setting the temperature of the puffer Possibility of connecting the temperature probe and setting the boiler temperature Optimal management of the three-way valve for the production of domestic hot water Possibility of installing the domestic hot water production kit Possibility of combining it with another generator Possibility of installing the separation kit of the primary and secondary circuits

AKTIV

Dimensions: L 76 x P 80 x H 125 cm

mm

consumption

Mass

gas temperature

capacity

outlet pipe

power

	AKTIV 23S		AKTIV 28S	AKTIV 35S
Quality class (D.M. 186 – 7/11/2017)
overall heat output (at the hearth)	24.5		28.9	33.3	Kw
Certified power rendered to water	6.3 – 22.6		6.3 – 26.5	6.3 – 30.5	Kw
CO measured (at 13% oxygen)	0.003		0.005	0.005	%
yield	92.1		91.8	91.6	%
Fuel	1.42 – 5.13		1.42 – 6.0	1.42 – 6.97	kg/h
flow rate of fumes	5.9 – 13.3		5.9 – 15.7	5.9 – 18.2	g/s
Flue	56 – 96		56 – 111	56 – 127	°C
draught (vacuum at the chimney)	6		6	6	Pa
internal section of the chimney	Ø 120		Ø 120	Ø 120	Mm
h. min. flue	4		4	4	Mm
Tank	88		88	88	Kg
autonomy	61.5 – 17		61.5 – 14.5	61.5 – 12.5	h
Smoke	Ø 100		Ø 100	Ø 100	Mm
air inlet for combustion	Ø 80		Ø 80	Ø 80	Mm
Heatable surface with certified	260		304	350	*sqm
net weight	260		260	260	Kg
Weight with packaging	280		280	280	Kg
* with the conditions shown in the General Catalogue

product in possession of the requirements for achieving the “4 stars” Clean Air