Boiler DEFRO SIGMA E 69 kW

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Available Options

Boiler Version

Feeder

41402.00 PLN

34790.00

PLN Incl. VAT

Cost of delivery

Cost: Individual calculation
(After placing your order we will send you a non-binding offer containing delivery costs.)

Methods of payment

Bank transfer
DotPay - credit card

Specification

Name of boiler	Defro Sigma E
Specification / boiler type	Unit	12	16	20	24	36	48	69
Nominal Power	kW	12	16	20	24	36	48	69
Power range	kW	3,6-12	4,8-16	6,0-20	7,2-24	10,8-36	14,4-48	17,9-69
Boiler class according to PN-EN 303-5	-	exhaust emission / efficiency - class 5
ECODESIGN	-	Yes
Energy efficiency class	-	A+
Exhaust temperature for nominal power	[ºC]	105	89	95	113	124	127	141
Basic fuel	-	eco-pea coal 5-25 mm
Heating area	m2	1,9	2,3	2,7	3,1	4,3	5,2	6,5
Area of heated rooms ¹	m2	do 220	do 260	do 290	do 350	do 450	do 600	do 825
Capacity of fuel container²	kg	~165	~165	~165	~165	~191	~266	~258
Consumption fuel³	kg/h	1,8	2,2	2,9	3,5	5,2	7,1	9,7
Constantly combustible	h	~92	~75	~57	~47	~37	~37	~27
Optimal thermal efficiency	%	90,2	90,7	90,3	90,4	90,1	90,9	90,0
Max. permissible operating pressure	bar	opened system 1,5 /locked system 2,5						opened system 1,5
Return water temperature min.	ºC	55
Temperature control range	ºC	45 - 80
Required exhaust gas sequence	Pa	22	24	26	28	31	34	34
Supply water temperature min/max.	°C	65/80
Boiler weight⁴	kg	400	449	515	523	657	728	880
Boiler water capacity	l	88	104	110	124	170	200	230
Chimney stack section	cmxcm	14x14	14x14	16x16	16x16	18x18	22x22	24x24
Chimney stack section	Ø mm	160	160	180	180	200	250	270
Minimum chimney stack height	m	5	6	7	7,5	9	10	10
Width	mm	1360	1360	1380	1380	1460	1460	1465
Depth	mm	1065	1065	1110	1110	1210	1210	1375
Height⁵	mm	1405	1405	1405	1535	1595	1685	1645
Diameter of supply and return connections	mm	1½’’
Spigot diameter trigger		½’’
Power supply	V/Hz	~230/50
Maximum permissible ambient temperature	ºC	50
flue diameter	mm	159	159	178	178	178	194	245
Working pressure of coil min./max.⁶	bar	2/6						-

Type / Dimensions	A*	B*	C	D*	E*	F*	G	H	I	J	K	L	poz.6	poz.7	poz.8
12	130	775	Ø159	1115	1225	1405	825	115	1065	605	640	1360	G 1 ½"	G 1 ½"	G ½"
16	130	940	Ø159	1280	1385	1405	825	115	1065	605	640	1360	G 1 ½"	G 1 ½"	G ½"
20	130	920	Ø178	1280	1385	1405	865	115	1110	605	640	1360	G 1 ½"	G 1 ½"	G ½"
24	130	1070	Ø178	1430	1535	1405	865	115	1110	574	640	1360	G 1 ½"	G 1 ½"	G ½"
36	130	1115	Ø178	1490	1595	1485	965	115	1210	705	640	1460	G 1 ½"	G 1 ½"	G ½"
48	130	1330	Ø194	1710	1815	1685	965	115	1210	705	640	1460	G 1 ½"	G 1 ½"	G ½"
69	280	1170	Ø245	1540	1645	1640	1130	115	1375	785	640	1465	G 1 ½"	G 1 ½"	G ½"

FUNCTIONS IMPLEMENTED BY THE CONTROLLER

innovative ADAPTIVE CONTROL control system using turbine flow meter ensuring optimum selection of fan and feeder operation parameters
archive of last twenty alarm conditions of the boiler
possibility to export temperatures history to external memory (USB)
possibility to operate with exhaust fan module.
control of fan and auger conveyor
control of actuator of mixing valve as a standard
weekly programs
control of central heating and domestic hot water pump
control of two additional pumps
possibility to connect room controller with RS or conventional communication
possibility to connect DEFRO GSM module
possibility to connect new version of DEFRO Internet module allowing remote change of boiler operation parameters (access to user and service menu)
possibility to control two additional valves using DEFRO MZ modules
servicing of motoreducer with reverse operation (not applicable to PZ version)

CONTROLLER EQUIPMENT

large colour graphical display
touch panel
adjustable inclination of the screen, from 45° to 105°
temperature sensor for central heating, domestic hot water, valve, additional, flue gas and external temperature
temperature protection (thermal overload relay)
temperature sensor for auger (protection)
housing made of high quality materials resistant to high and low temperatures

controller K1P v4 with colour touch panel servicing four pumps /central heating, domestic hot water, circulation, floor pump/. Servicing of mixing valve. Possibility to control using GSM or INTERNET (optional extra); adjustable angle of position of control panel

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

heat exchanger made of certified boiler steel;

High heat efficiency up to 90% due to increased heat recovery from exhaust

NZ version adapted for installation in closed system, reinforced design, cooling coil pipe installed (optional extra)

screw of fuel feeder made of one piece;

combustion chamber with highly effective retort burner;

change of direction of boiler door’s opening (does not apply to incandescent interior door);

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

F version- system for mechanical cleaning of heat exchanger

Energy-saving motoreducer with high efficiency with automatic reverse in case of locking of fuel feeder;

sensor indicating opening container’s cover;

Product specification

Power output	69 kW
Exhaust gas pipe diameter	245 mm
Weight	880 kg
Efficiency	90.0 %
Boiler class (303-5:2012)	5
Ecodesign	tak
Size of heated surface	825 m²
Water capacity	230 L
Boiler heating surface	6.5 m²
Max. water temperature	80 °C
Max working pressure	1.5 / 2.5 bar
Silo volume	258 dm³
Required chimney draught	34 Pa
Minimum chimney section	24 x 24 cm²
Min. chimney height	10 m
Outlet and inlet size	1 ½” inch
Power supply	230V / 50Hz
Warranty	60 months