Automatic boiler Defro Komfort Eko LUX 20 kW with feeder on right side

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

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

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

The combustion chamber is equipped with an automatic retort burner. In the flue gas ducts there are economizers (flue gas swirlers), designed to increase boiler efficiency and reduce flue gas emissions. Fuel for the combustion process is transported automatically from a fuel tank located nearby using an auger feeder.

Flue gases are discharged to the chimney through a flue 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 combustion chamber and ash pan doors. In addition, 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 fill opening with a sealed locking mechanism. It has a flap opening sensor, which protects against leaving the fuel tank cover open. To reduce heat loss, the external surface of the boiler is insulated from the surroundings using external steel sheet cladding, under which asbestos-free mineral wool thermal insulation is placed.

Standard equipment:

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

Additional boiler equipment (for an additional fee):

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

Functions performed by the K1Pv4 controller:

• innovative ADAPTIVE CONTROL using a turbine flow meter ensuring optimal selection of fan and feeder operating parameters
• history of the last twenty boiler alarm states
• ability to export temperature history to external USB memory
• ability to work with exhaust fan module
• fan and auger feeder control
• mixing valve actuator control as standard
• weekly control
• heating and hot water pump control
• control of two additional pumps
• ability to connect a room controller with RS communication or traditional communication such as SPK LUX
• ability to connect the DEFRO GSM module
• ability to connect the new version of the DEFRO Internet module allowing remote change of boiler operating parameters (access to user and service menus) through www.emodul.pl
• ability to control two additional valves using DEFRO MZ modules
• motor-gearbox operation with reverse operation (does not apply to the PZ version)
• large, color graphic display
• touch panel
• adjustable display screen tilt angle from 45° to 105°
• heating, hot water, valve, return, additional, flue gas and external temperature sensor
• temperature protection (thermal)
• auger temperature sensor (protection)

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

Energy-efficient motor-gearbox with high efficiency and auto-reversal 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 the proper operation of the boiler and other components.

Vertical or horizontal flue configuration after mounting the rotating elbow (rotating elbow is not included in the boiler equipment);

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

Ceramic catalysts stabilizing the combustion process.

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

Fuel tank cover opening sensor.

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

K1P v4 controller with a color touch panel operating 4 pumps (heating, hot water, circulation, floor heating). Mixing valve operation. Possibility of control via GSM or INTERNET - additional fee, adjustable control panel positioning angle.

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

 

 

Basic component elements of the DEFRO Komfort Eko LUX boiler

 

1. steel body with thermal insulation;
2. cleaning doors;
3. combustion chamber doors;
4. ash pan doors;
5. supply nipple;
6. return nipple;
7. drain nipple;
8. flue;
9. flue cleaning door (only if the flue outlet is in the rear wall);
10. electronic controller;
11. analog thermometer;
12. fan;
13. fuel feeder;
14. motor-gearbox;
15. fuel tank;
16. fuel tank carrying handle;
17. fuel tank inspection hole;
18. fuel feeder inspection hole;
19. mounting sleeve for feeder temperature sensor for STRAŻ AK I system¹⁾;
20. mounting nipple for BVTS valve of STRAŻ AK I system¹⁾;
21. mounting nipple for BVTS valve of STRAŻ AK II system¹⁾;
22. controller wire connection terminal strip;
23. masking plate for controller sensor mounting sleeves;
24. wire feed-through;
25. fuel tank air supply nipple 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⁾ STRAŻ AK I and STRAŻ AK II systems are not included in the boiler equipment, optional equipment additionally charged.

 

Technical data

Boiler Name		Komfort Eko LUX
Specification/boiler type		Unit	12	15	20	25	30	40
Power range		kW	3.6 - 12	4.5 - 15	6.0 - 20	7.5 - 25	9.0 - 30	12.0 - 40

Boiler class (303-5:2012)	5
Power output	20 kW
Exhaust gas pipe diameter	159 mm
Weight	472 kg
Efficiency	90.5 %
Ecodesign	+
Outlet and inlet size	1 1/2 G
Warranty	60 mies.
Min. chimney height	6.5 m
Silo volume	191 dm³
Max working pressure	1.5 bar
thickness of steel	6 mm
Min. chimney diameter	180 mm
Clean Air Program	+

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