Automatic boiler Defro Komfort Eko LUX 15 kW with feeder on right side

The boiler KOMFORT EKO LUX is a boiler of the Komfort Eko series, intended for installation in an open heating system, can be installed in a closed heating system, with a working pressure not exceeding 2.5 bar provided that thermal protection is applied, such as a cooling valve DBV-2. System protections should meet the requirements of standards PN-EN-12828 and PN-EN 303-5.

The boiler KOMFORT EKO LUX has been equipped with an advanced K1Pv4 controller with a color touch panel (additionally supports heating system installation components). It is possible to purchase a GSM or INTERNET module, which allows us to monitor the boiler away from home.

The furnace also has an innovative solution, which is the ABM system, an energy-saving motor-gearbox (power consumption 30W) with high efficiency and auto-reverse in case of fuel feeder blockage.

The combustion chamber is equipped with an automatic retort burner. In the flue gas passages, economizers (flue gas swirlers) are placed, aimed at increasing boiler efficiency and reducing flue gas emissions. Fuel for the combustion process is transported automatically from the fuel tank located next to it by means of a screw conveyor.

Flue gases are discharged to the chimney through a chimney connector located in the rear or upper wall of the boiler (CG version). For loading purposes and periodic cleaning and maintenance, the boiler is equipped with closed and sealed furnace and ash pit doors. Furthermore, cleaning doors are placed in the front of the boiler - depending on the boiler power, single or double.

The fuel tank is equipped with a filling hatch with a sealed closing mechanism. It has a flap opening sensor, which protects against leaving the fuel tank cover open. In order to reduce heat loss, the external surface of the boiler is insulated from the surroundings by means of external cladding with steel sheets, under which thermal insulation with asbestos-free mineral wool is placed.

Standard equipment:

• K1Pv4 electronic regulator,
• ADAPTIVE CONTROL control,
• PID function,
• NZ version for closed system,
• blower fan (installation at own expense),
• leveling feet for the boiler (installation at own expense),
• fuel feeding system with burner,
• fuel tank,
• analog thermometer,
• ash drawer,
• flue gas swirlers,
• ceramic deflector,
• ceramic linings of the combustion chamber.

Additional boiler equipment (for extra charge):

• STRAŻAK I extinguishing system,
• STRAŻAK II extinguishing system,
• SPK LUX room regulator,
• Additional mixing valve controller,
• GSM module,
• WIFI internet module,
• DBV-2 cooling valve,
• SPK Lux wireless regulator,
• wireless RS communication kit.

Functions implemented by the K1Pv4 controller:

• innovative ADAPTIVE CONTROL with the use of a turbine flow meter ensuring optimal selection of fan and feeder operating parameters
• history of the last twenty alarm states of the boiler
• possibility of exporting temperature history to external USB memory
• possibility of cooperation with the exhaust fan module
• blower fan and screw conveyor control
• mixing valve actuator control as standard
• weekly control
• heating system and hot water pump control
• control of two additional pumps
• possibility of connecting a room regulator with RS communication or traditional communication, e.g. SPK LUX
• possibility of connecting the DEFRO GSM module
• possibility of connecting the new version of the DEFRO Internet module enabling remote change of boiler operating parameters (access to user and service menu) via www.emodul.pl
• possibility to control two additional valves using DEFRO MZ modules
• motor-gearbox operation with reverse operation (does not apply to PZ version)
• large, color graphic display
• touch panel
• adjustable display tilt angle in the range of 45° to 105°
• temperature sensor for heating system, hot water, valve, return, additional, flue gas and external temperature
• temperature protection (thermal fuse)
• screw conveyor temperature sensor (protection)

The boiler heat exchanger was made of certified boiler steel with a thickness of 6 mm.

Energy-saving motor-gearbox with high efficiency and auto-reverse in case of fuel feeder blockage.

Combustion chamber with a highly efficient retort burner.

Fuel feeder screw made entirely from one element.

System equalizing pressure in the fuel tank.

The manufacturer provides a 5-year warranty on the tightness of the heat exchanger and a 2-year warranty on proper operation of the boiler and other components.

Vertical or horizontal configuration of the chimney connector after installing a bend elbow (bend elbow is not included in the boiler equipment);

Boiler adapted as standard for installation in a closed system provided that installation is in accordance with the boiler DTR.

Ceramic catalysts stabilizing the combustion process.

Change of door opening direction (does not apply to internal glowing doors).

Fuel tank cover opening sensor.

ADAPTIVE CONTROL - boiler operation control based on air flow through the heat exchanger.

K1P v4 controller with a color touch panel controlling 4 pumps (heating system, hot water, circulation, underfloor). Mixing valve operation. Possibility to control via GSM or INTERNET - additional paid option, adjustable control panel angle.

High thermal efficiency reaching 90% thanks to increased heat recovery from flue gases.

 

 

Basic components of the DEFRO Komfort Eko LUX boiler

 

1. steel body with thermal insulation;
2. cleaning doors;
3. furnace doors;
4. ash pit doors;
5. supply connector;
6. return connector;
7. drain connector;
8. chimney connector;
9. chimney connector cleaning hatch (only in case of chimney outlet in the rear wall);
10. electronic regulator;
11. analog thermometer;
12. blower;
13. fuel feeder;
14. motor-gearbox;
15. fuel tank;
16. handle for carrying the fuel tank;
17. revision opening of the fuel tank;
18. revision opening of the fuel feeder;
19. mounting sleeve for the feeder temperature sensor for the STRAŻAK I¹⁾ system;
20. mounting connector for the BVTS valve of the STRAŻAK I¹⁾ system;
21. mounting connector for the BVTS valve of the STRAŻAK II¹⁾ system;
22. controller wiring terminal block;
23. sensor mounting sleeve cover of the controller;
24. wire passage;
25. fuel tank aeration hose connection;
26. flue gas sensor mounting sleeve;
27. STB temperature limiter;
28. boiler leveling feet;
29. main switch;
30. return water temperature sensor mounting sleeve.

¹⁾ STRAŻAK I and STRAŻAK II system are not included in the boiler equipment, optional equipment additional charge.

 

Technical data

Boiler Name		Komfort Eko LUX
Specification/boiler type		U.m.	12	15	20	25	30	40
Power range		kW	3.6 - 12	4.5 - 15	6.0 - 20	7.5 - 25

Boiler class (303-5:2012)	5
Power output	15 kW
Exhaust gas pipe diameter	159 mm
Weight	408 kg
Efficiency	90.7 %
Ecodesign	+
Outlet and inlet size	1 1/2 G
Warranty	60 mies.
Min. chimney height	6 m
Required chimney draught	24 Pa
Silo volume	132 dm³
Max working pressure	1.5 bar
thickness of steel	6 mm
Clean Air Program	+

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