Boilers with feeder biomass

Alfa

gwarancja_5_lat.jpg 5 years warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler;
stal.jpg Heat exchanger made of certified high-grade boiler steel;
sprawnosc_92.jpg High thermal efficiency reaching 92% due to increased heat recovery from flue gases;
sterownik_APC_Center.jpg APC CENTER controller servicing six pumps /central heating, domestic hot water, circulating, floor/. Control of two mixing valves; ONLINE change and preview of parameters of main controller through installed internet module with RJ-45 socket;
NZ.jpg Reinforced design. Boiler adapted for installation in closed system if the protections are assembled in accordance with the operation and maintenance manual of the boiler;
wentylator_wyciagowy.jpg Exhaust fan eliminating problem with chimney draught and stabilising operation of the boiler;
czujnik_podcisnienia.jpg Vacuum sensor protecting against incorrect combustion process;
czujnik_rezerwy_paliwa.jpg Fuel reserve sensor in container stops boiler operation at minimum fuel level. After fuel recharging it is not necessary to repeat firing procedure and the boiler switches to automatic operation;
ceramika.jpg Ceramic catalysts stabilising combustion process;
uklad_samoczynnego_zaplonu.jpg Fuel self-ignition system;
palnik_pelletowy_centralny.jpg Central pellet burner with automatic cleaning function as a standard;
kompaktowe_wymiary.jpg Compact dimensions;
system_automatycznego_czyszczenia.jpg System automatycznego czyszczenia wymiennika ciepła i odpopielania w standardzie;
 zestaw_hydrauliczny.jpg Hydraulic set with circulating pump and thermostatic valve as boiler protection against low return temperature;

Specification / boiler type

unit 12 17 22 30

Power range

kW 3,6-12 5,1-17 6,6-22 9-30

Heating area

m2

1,3 1,7 1,9 2,7

Area of heated rooms 1

m2

to 150 to 215 to 275 to 375

Capacity of fuel container (STD/PLUS) 2

kg

~82/~156

~82/~156

~116/ ~210

~147/ ~229

Optimum thermal efficiency

%

~91,0-92,7

Energy efficiency class

- A+ A+ A+ A+

Max. permissible work pressure

bar 1,5 - opened system, 2,5 - closed system

Required flue gas draught

Pa 22 27 27 30
Water temperature on supply max. °C 65/85

Boiler weight

kg 370 380 415 510

Boile water tank capacity

l 60 60 70 90

Chimney section

cmxcm 14x14 14x14 15x15 17x17

Chimney section

Ø mm

160 170 170 190

Minimum chimney height

m

5,5

6

6,5

7,5

Width mm 1103 1123 1123 1352

Depth

mm

1014

1029

1029

1069

Height

mm 1340 1340 1495 1495

Supply and return socket diameter

 

GW 1”

Release socket diameter

 

GW ½”

Diameter of the exhaust gas socket

mm 127 127 127 127

 

1 Maximum area of heated rooms estimated for unit heat demand q=70 W/m2.

2 Fuel tank capacity for pellet bulk density 0,6 kg/dm3.

 

Height of boiler can be additionally adjusted by means of provided levelling legs.

The regulation of legs varies from 38 to 50 mm.

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