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Polski Producent KotłówPolish manufacturer
D E F R O *
360 Defro

Firewood Duo

Class 5: 12, 15, 19, 24 kW
Ecodesign: 12, 15, 19, 24 kW
Energy efficiency class: A+
Boiler controller: APC K SLIM
Boiler burner: APC K Slim controller, Adaptive Control system, leveling feet, igniter, weather-compensated control
Optional equipment – available at an additional cost: GSM module, I-1 module, I-1M module, Internet LAN module, Internet WiFi module, ST-292 v3 room controller, ST-292 v2 room controller, DEFRO SPK Lux room controller, SPK Lux wireless controller, RS wireless communication kit
:
Polish product, manufactured within the European Union. Polish product, manufactured within the European Union.

APC K SLIM ADAPTIVE CONTROL controller handling 4 pumps and 1 mixing valve. Viewing and changing the controller parameters is possible via an additional internet module.

Pellet burner with automatic cleaning function as standard

auto-ignition fuel system

Heat exchanger made of certified high-grade steel

Weather control included as standard

Compact dimensions

Option to reposition the fuel tank

This device is designed for the efficient combustion of split firewood and wood pellets, in accordance with the PN-EN 303-5:2021-09 standard.

The boiler is equipped with a burner featuring standard automatic cleaning and an APC K SLIM controller that allows operation of four pumps and one mixing valve. An additional advantage is the fuel hopper, which can be positioned on either side—making it easier to adapt the unit to small boiler rooms.

FIREWOOD DUO qualifies for subsidies under the Clean Air program as a wood-gasification boiler.

Dear Sir or Madam, we would like to remind you that the high-standard wood-pellet and wood-gasification boilers manufactured by our company are not equipped with an emergency (auxiliary) grate or a pre-combustion chamber, nor are they designed for the installation of any components that would allow combustion outside the automatic burner.
Only the fuels specified by the Manufacturer in the Boiler User Manual may be used.
Any modifications made to the boilers in order to enable fuel combustion outside the automatic burner are illegal, will void the warranty, and may pose a threat to the health and life of the user.

Boiler output

kW

12

15

19

24

Fuel

–

wood pellet, 6 mm diameter

ZUM list identification number

–

KZ-600507

KZ-800506

KZ-000505

KZ-300504

Power range

kW

3.5–12.2

4.2–15.2

5.3–19.3

7.1–24.2

Fuel hopper capacity 1

kg

~180

~180

~180

~180

Efficiency at nominal output

%

91.9

92.1

92.4

92.0

Efficiency at minimum output

%

92.9

93.0

92.9

92.8

Energy efficiency class

–

A+

Max. permissible operating pressure

bar

1.5

Required flue draught

Pa

15–25

18–25

20–21

22–24

Max. flow water temperature

°C

70/80

Boiler weight

kg

383

406

436

501

Boiler water capacity

l

71

78

84

99

Supply and return connection diameter

inch

G 1½”

Flue outlet diameter

mm

159

159

159

178

Power supply

V/Hz

~230/50

 

APC K SLIM

 

FUNKCJE STEROWNIKA:

  • innowacyjne sterowanie ADAPTIVE Control z wykorzystaniem przepływomierza turbinowego zapewniającego optymalny dobór parametrów pracy wentylatora i podajnika
  • sterowanie wentylatorem (badanie przepływu powietrza niezbędnego do właściwego procesu spalania) i podajnikiem
  • sterowanie pompą CO, CWU oraz dwie pompy dodatkowe
  • sterowanie jednym zaworem mieszającym
  • automatyczne rozpalanie i wygaszanie kotła
  • sterowanie tygodniowe
  • sterowanie pogodowe
  • sterowanie poprzez Internet – opcja
  • możliwość podłączenia regulatora pokojowego z komunikacją RS lub tradycyjną
  • możliwość podłączenia modułu ST-65 GSM
  • rozpalanie za pomocą grzałki
  • możliwość sterowania dodatkowym zaworem mieszającym przy pomocy modułu DERFO I-1 lub I-1M
  • duży kolorowy wyświetlacz graficzny
  • czujnik temperatury CO, CWU, powrotu, dwóch pomp dodatkowych, zaworu, spalin
  • fotorezystor (czujnik płomienia)
  • posiada zabezpieczenie temperaturowe STB
  • posiada zabezpieczenie termiczne palnika

 

Moc urządzenia Identyfikator na liście ZUM
12kW KZ-600507
15kW KZ-800506
19kW KZ-000505
24kW KZ-300504
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