Boiler for pellets Defro Spectra

Accessories

Two-way two-stage...
Two-way thermal release valve Regulus DBV2 - bi...
105,43 USD
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288,57 USD
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Room regulator DEFRO SPK LUX - by wire
297,14 USD
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Room regulator DEFRO SPK LUX - Wireless RS comm...
405,71 USD
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Defro Spectra for pellet

The boilers meet the energy and emission requirements of class 5 of PN EN 303-5: 2012 standard and have the Ecodesign Certificate.

Standard equipment:

analog thermometer,
APC K Slim controller,
ADAPTIVE CONTROL control,
PID function,
igniter,
palnik pelletowy z funkcją automatycznego czyszczenia,
fan,
fuel container,
tools for boiler,
ash drawer,
foot for leveling the boiler,
mixing valve controller (in the regulator),
ceramic plate of the furnace chamber,
STB temperature limiter.

Additional boiler equipment (optional, extra paid):

Internet module,
WIFI internet module,
room regulator DEFRO SPK Lux,
DEFRO MZ module,
SPK Lux wireless regulator,
set for RS wireless communication
GSM module
DBV-2 cooling valve.

Dimensions of Spectra boiler

Spectra boiler for wood pellets

Type / Dimensions	A	B	C	D	E	F	G	H	I	J	K1	K2	L1	L2	M	N
10	496	1151	1376	1376	1396	995	Ø159	630	740	835	158	173	121	391	258	381
14	496	1151	1376	1376	1396	995	Ø159	630	740	835	158	173	121	391	258	381
20	546	1201	1426	1426	1446	1045	Ø159	630	720	815	158	173	121	441	258	431
25	546	1201	1476	1476	1496	1100	Ø159	770	860	960	158	173	121	441	258	431

Pellet burner with automatic cleaning function in standard

5 years warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler

High thermal efficiency reaching 94% due to increased heat recovery from flue gases

Heat exchanger made of certified high-grade boiler steel

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

Fuel self-ignition system

Compact dimensions

Ceramic catalysts stabilising combustion process

APC K SLIM ADAPTIVE CONTROL controller servicing three pumps /central heating, domestic hot water, floor/. Control of one mixing valve; preview and change of parameters of the main ONLINE controller - extra payable option

Boiler adapted for installation in the closed system provided that protections were installed in accordance with the operation and maintenance manual of the boiler

The basic components of the Spectra boiler

steel body with thermal insulation;
enclosure door;
upper cleaning doors;
bottom cleaning doors;
ash pit door;
supply connection;
return connection;
drain connection;
flue;
door of the fuel container;
lock;
electronic controller display;
control module;
STB temperature limiter;
main switch;
pellet burner;
fuel capacity;
sliding cover of the fuel capacity;
fuel feeder with motoreduceror;
pipe of fuel;
inspection hole;
hole flue cleaning
exhaust sensor mounting socket;
connection of the exhaust sensor;
cable outlet of the exhaust sensor;
cable culvert;
feet for leveling;
mounting sleeve of the return water temperature sensor.

Model of boiler	Defro Spectra
Specification / type of boiler	J.m.	10	14	20	25
Nominal power	kW	10	14	20	25
Power range	kW	3,0-10	4,2-14	5,7-20	7,2-25
Boiler weight	kg	~340	~350	~372	~467
The boiler class according to PN-EN 303-5: 2012	-	5 class
ECODESIGN	-	Yes
Energy class	-	A+
Basic fuel	-	pellets Ø 6-8 mm
Fuel class	-	biogenic fuel - C1
Heating surface	m2	1,5	1,8	2,3	3,0
Area of heated rooms ¹⁾	m2	to 125	to 175	to 240	to 300
Disposable fuel charge	kg	~68	~68	~81	~112
Fuel container capacity ²⁾	kg	~141	~141	~152	~199
Fuel consumption ³⁾	kg/h	2,1	2,7	4,2	5,0
Optimum thermal efficiency	%	~94,7
Max. permissible work pressure ⁴⁾	bar	open system 1,5 /close system 2,5
Required flue gas draught	Pa	20	23	26	28
Water temperature on supply max.	°C	65/90
Flue gas temperature for nominal power	°C	88,6-117,5
Water capacity of the boiler	l	65	63	71	103
Chimney section	cmxcm	14x14	14x14	14x14	15x15
Chimney section	Ø mm	160	160	160	170
Minimum chimney height	m	6	6,5	7	7,5
The dimensions of the loading opening of the fuel container	mm	550x345	550x345	550x345	550x435
Power consumption work / start-up	W	83/383
Power	V/Hz	~230V/50Hz
Width	mm	1151	1151	1201	1201
Depth	mm	835	835	815	960
Height^⁵⁾	mm	1396	1396	1446	1496
Height to the bottom edge of the exhaust outlet	mm	995	995	1045	1100
Release socket diameter	-	½’’
Diameter of the exhaust gas socket	mm	159

¹⁾ Maximum area of heated rooms estimated for unit heat demand q=80 W/m2

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

³⁾ Fuel consumption for pellets with a calorific value of 17,000 ± 300kJ / kg.

⁴⁾ The condition of installation in a closed system is the use of thermal protection, eg DBV-2.

⁵⁾ The height of the boiler can be adjusted using the attached feet. The feet have a 38-50mm adjustment range.

Data sheet

Power [ kW ]	10
Power [ kW ]	25
Power [ kW ]	14
Power [ kW ]	20
Weight [ kg ]	467
Weight [ kg ]	372
Weight [ kg ]	340
Weight [ kg ]	350
Height [ mm ]	1,496
Height [ mm ]	1,446
Height [ mm ]	1,396
Height [ mm ]	1,396
Width [ mm ]	1,151
Width [ mm ]	1,201
Width [ mm ]	1,101
Width [ mm ]	1,201
Depth [ mm ]	815
Depth [ mm ]	835
Depth [ mm ]	960
Depth [ mm ]	835
Exhaust gas pipe size [ mm ]	159
Exhaust gas pipe size [ mm ]	159
Exhaust gas pipe size [ mm ]	159
Exhaust gas pipe size [ mm ]	159
Combustion chamber capacity [ dm³ ]	68
Combustion chamber capacity [ dm³ ]	112
Combustion chamber capacity [ dm³ ]	81
Combustion chamber capacity [ dm³ ]	68
Feeder capacity [ dm³ ]	141
Feeder capacity [ dm³ ]	199
Feeder capacity [ dm³ ]	152
Feeder capacity [ dm³ ]	141
Water capacity [ L ]	63
Water capacity [ L ]	71
Water capacity [ L ]	65
Water capacity [ L ]	103
Min. Chimney height [ m ]	7
Min. Chimney height [ m ]	7.5
Min. Chimney height [ m ]	6.5
Min. Chimney height [ m ]	6
Min chimney draft [ Pa ]	28
Min chimney draft [ Pa ]	26
Min chimney draft [ Pa ]	23
Min chimney draft [ Pa ]	20
Min. chimney diameter [ mm ]	170
Min. chimney diameter [ mm ]	160
Min. chimney diameter [ mm ]	160
Min. chimney diameter [ mm ]	160
Efficiency [ % ]	94.7
EcoDesign	YES
Class	5, A+
Outlet and inlet supply size [ inch ]	⁶⁄₄''
Installation	Floor
Max. operating pressure [ bar ]	1.500
Mains voltage [ V ]	230
Fuel	pellets
Warranty	5 years for tightness of the heat exchanger