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BOILER

SEMAX BASIC

Contact with an advisor
General information
Technical data
Dimensions
Documentation

The most important information

The SEMAX BASIC boiler is a boiler that gasifies pieces firewood in accordance with the 303-5:2021-09 standard. It is an ideal solution dedicated to people who have large stocks of properly stored firewood – hornbeam logs (logs) with a humidity of Wc=15-20%. . Operating our device at nominal power allows for better use of fuel and, as a result, cleaner exhaust gases emitted into the atmosphere. Additionally, the boiler is equipped with a draft regulator and a thermometer enabling regulation of combustion and operation of the device. For proper operation of the entire system, the boiler must be connected to a buffer receiving excess heat.

Warranty conditions in the DTR Manual
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Powers available: 15kW I 20kW I 30kW I 40kW
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Fuel: firewood, pieces
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Certificates: EcoDesign | 5 Class
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Energy class: A+

The most important advantages

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Heat exchanger

Heat exchanger | horizontal convection channels | shelf
Effective design adapted for quick cleaning of the exchanger from the front. The construction of the boiler exchanger ensures high heat removal from the furnace.
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Flue exit

At the back of the boiler
The construction of the boiler has been designed in such a way that the flue exits are located at the back. The use of such a solution in the central heating boiler allows for direct discharge of the flue into the chimney.
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Thrust regulator

Depending on the medium temperature, it controls the flap regulating the air supply to the boiler combustion chamber.
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Mechanical thermometer

Bimetallic mechanical thermometer, equipped with a long measuring probe.
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Secondary and primary air intake

Through six holes, secondary air is sucked in for complete burnout of the fuel. The amount of secondary and primary air can be adjusted with sliders.
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Smoke vent

It allows for effective removal of smoke from the combustion chamber.
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Turbulators

The swirlers installed in the convection ducts effectively reduce the velocity of the flue gas outlet, maintaining high heat transfer through the water jacket.
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Ceramic channel

The use of ceramic plates as a ceramic channel improves the efficiency of the combustion process. The screens increase the temperature in the combustion chamber, extend the distance they have to travel in the boiler and stop the particles floating above the furnace, burning them up. The thermal efficiency of the boiler increases, and the flue gases contain the amount of compounds harmful to the environment reduced to a minimum.
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Buffer tank

Additional equipment

It ensures optimal working conditions of the boiler. The boiler can operate with optimal power, and the excess heat is stored in the buffer. The house’s heating system draws as much heat from the buffer as it needs at a given moment.

ATTENTION!
Central heating boiler can be installed in the heating system, only together with the buffer tank. The tank is not included in the price of the boiler.

Manual ignition

Firewood – logs (logs) of hornbeam with a moisture content of Wc=15-20%. Properly seasoned wood is an ecological fuel that meets all standards. It is fully natural, as a result of combustion, biodegradable ash is created. By burning properly seasoned wood, we produce a small amount of harmful compounds into the atmosphere.

Boiler technical data

PARAMETERS S.I. UNIT SEMAX BASIC 15
Nominal heat output [kW] 15
Boiler power range [kW] 15
Area that can be heated* [m2] 150-225
Water capacity [L] 71
Maximum working pressure [bar] 3
Maximum operating temperature [°C] 80
Test pressure [bar] 4,5
Circumference of glades (tribe) [cm] 30-40
Billet length (tribe) [cm] 34
Fuel [-] firewood, pieces
Temperature controller setting range [°C] 60-80 (every 1°C)
Chimney draft required [Pa] 23
Heat accumulator capacity (buffer) [L] 555
Boiler weight [kg] 342

*The calculations assumed a new building with very good thermal insulation.

PARAMETERS S.I. UNIT SEMAX BASIC 20
Nominal heat output [kW] 20
Boiler power range [kW] 20
Area that can be heated* [m2] 200-300
Water capacity [L] 77
Maximum working pressure [bar] 3
Maximum operating temperature [°C] 80
Test pressure [bar] 4,5
Circumference of glades (tribe) [cm] 30-40
Billet length (tribe) [cm] 36
Fuel [-] firewood, pieces
Temperature controller setting range [°C] 60-80 (every 1°C)
Chimney draft required [Pa] 22
Heat accumulator capacity (buffer) [L] 780
Boiler weight [kg] 390

*Do obliczeń przyjęto nowy budynek o bardzo dobrej izolacji cieplnej.

PARAMETERS S.I. UNIT SEMAX BASIC 30
Nominal heat output [kW] 30
Boiler power range [kW] 30
Area that can be heated* [m2] 300-450
Water capacity [L] 99
Maximum working pressure [bar] 3
Maximum operating temperature [°C] 80
Test pressure [bar] 4,5
Circumference of glades (tribe) [cm] 30-40
Billet length (tribe) [cm] 34
Fuel [-] firewood, pieces
Temperature controller setting range [°C] 60-80 (every 1°C)
Chimney draft required [Pa] 25
Heat accumulator capacity (buffer) [L] 1230
Boiler weight [kg] 415

*Do obliczeń przyjęto nowy budynek o bardzo dobrej izolacji cieplnej.

PARAMETERS S.I. UNIT SEMAX BASIC 40
Nominal heat output [kW] 40
Boiler power range [kW] 40
Area that can be heated* [m2] 400-600
Water capacity [L] 116
Maximum working pressure [bar] 3
Maximum operating temperature [°C] 80
Test pressure [bar] 4,5
Circumference of glades (tribe) [cm] 30-40
Billet length (tribe) [cm] 34
Fuel [-] firewood, pieces
Temperature controller setting range [°C] 60-80 (every 1°C)
Chimney draft required [Pa] 28
Heat accumulator capacity (buffer) [L] 1680
Boiler weight [kg] 500

*Do obliczeń przyjęto nowy budynek o bardzo dobrej izolacji cieplnej.

Certificates, class, boiler emissivity

PARAMETERS S.I. UNIT SEMAX BASIC 15
Ecodesign (Eco Project) [-] Yes
Boiler class [-] 5
Energy class [-] A+
Seasonal emissivity of particulate matter [mg/m3] 20
Efficiency for nominal power [%] 90
Particulate nominal emissivity [mg/m3] 20
PARAMETERS S.I. UNIT SEMAX BASIC 20
Ecodesign (Eco Project) [-] Yes
Boiler class [-] 5
Energy class [-] A+
Seasonal emissivity of particulate matter [mg/m3] 18
Efficiency for nominal power [%] 88,7
Particulate nominal emissivity [mg/m3] 17
PARAMETERS S.I. UNIT SEMAX BASIC 30
Ecodesign (Eco Project) [-] Yes
Boiler class [-] 5
Energy class [-] A+
Seasonal emissivity of particulate matter [mg/m3] 19
Efficiency for nominal power [%] 89,1
Particulate nominal emissivity [mg/m3] 19
PARAMETERS S.I. UNIT SEMAX BASIC 40
Ecodesign (Eco Project) [-] Yes
Boiler class [-] 5
Energy class [-] A+
Seasonal emissivity of particulate matter [mg/m3] 19
Efficiency for nominal power [%] 89,2
Particulate nominal emissivity [mg/m3] 19

Boiler dimensions

DIMENSION S.I. UNIT SEMAX BASIC 15
A [mm] 490
B1 [mm] –
B2 [mm] –
C1 [mm] 1275
C2 [mm] 1255
D1 [mm] 957
D2 [mm] 725
E [mm] –
F1 [mm] 1050
F2 [mm] 713
F3 [mm] 448
F4 [mm] 80
G1 [mm] 159
G2 [cal] 1 1/2
G3 [cal] 1 1/2
G4 [cal] 3/4
H [mm] 30
W [mm] 290×200
X [mm] 290
Y [mm] 515
Z [mm] 345
DIMENSION S.I. UNIT SEMAX BASIC 20
A [mm] 520
B1 [mm] –
B2 [mm] –
C1 [mm] 1275
C2 [mm] 1255
D1 [mm] 1070
D2 [mm] 835
E [mm] –
F1 [mm] 1050
F2 [mm] 713
F3 [mm] 455
F4 [mm] 80
G1 [mm] 159
G2 [cal] 1 1/2
G3 [cal] 1 1/2
G4 [cal] 3/4
H [mm] 30
W [mm] 290×200
X [mm] 290
Y [mm] 515
Z [mm] 445
DIMENSION S.I. UNIT SEMAX BASIC 30
A [mm] 560
B1 [mm] –
B2 [mm] –
C1 [mm] 1480
C2 [mm] 1460
D1 [mm] 1070
D2 [mm] 835
E [mm] –
F1 [mm] 1240
F2 [mm] 713
F3 [mm] 455
F4 [mm] 80
G1 [mm] 177
G2 [cal] 1 1/2
G3 [cal] 1 1/2
G4 [cal] 3/4
H [mm] 30
W [mm] 340×200
X [mm] 340
Y [mm] 590
Z [mm] 420
DIMENSION S.I. UNIT SEMAX BASIC 40
A [mm] 660
B1 [mm] –
B2 [mm] –
C1 [mm] 1480
C2 [mm] 1460
D1 [mm] 1065
D2 [mm] 835
E [mm] –
F1 [mm] 1240
F2 [mm] 713
F3 [mm] 455
F4 [mm] 80
G1 [mm] 177
G2 [cal] 1 1/2
G3 [cal] 1 1/2
G4 [cal] 3/4
H [mm] 30
W [mm] 440×200
X [mm] 440
Y [mm] 590
Z [mm] 420

Boiler documentation

DTR manual

Technical and operational documentation for the SEMAX BASIC 15 boiler Download
Technical and operational documentation for the SEMAX BASIC 20-40 boiler Download

EcoDesign certificate

Boiler compliant with the requirements of the EcoDesign standard 20 Download
Boiler compliant with the requirements of the EcoDesign standard 30 Download

Energy label

Energy class A+ Download

Product fiche in accordance with EU Regulation 2015/1187

In accordance with EU Regulation 2015/1187 supplementing Directive 2009/125/EC of the European Parliament and of the Council Download

Product sheet according to EU Regulation 2015/1189

Complies with the Regulation of the EU Commission 2015/1189 of April 28, 2015 Download

Foreign sales

Do you have a question about your future central heating boiler?

Paweł Czepiel

Export manager
Language: Russian, English
Monday-Friday (7:00 a.m. – 3:00 p.m.)

Phone:

+48 663 45 32 22
+48 85 711 94 54 ext. 17

Call me

E-mail:

p.czepiel@metalfach.com.pl

Write
METAL-FACH Technika Grzewcza Sp. z o.o. reserves the right to introduce changes to the technical parameters, equipment and specifications of the offered goods without prior notice.

Dane adresowe:

METAL-FACH Technika Grzewcza
Sp. z o.o.

  • ul. Sikorskiego 66, 16-100 Sokółka, Polska
  • NIP: 545-182-60-12
  • REGON: 523566030

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