Kostrzewa Mini Bio, User Manual

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Mini Bio and Mini Bio Luxury User Manual - ENGV 08.15
Experts in heating
3 . Specifi ca t ions
Table – Mini Bio/ Mini Bio Luxury boiler data sheet
PARAMETER SI MB / MBL 10 kW MB / MBL 20 kW
Flue draught mbar 0,15-0,25 0,15-0,25
Water capacity dm 3 48 90
Maximum working pressure bar 2 2
Test pressure bar 4 4
Flue gas temperature at nominal power °C 140 140
Flue gas temperature at minimum power °C 100 100
Flue connector diameter mm 133 159
Hot water boiler heat output kW 10 20
Hot water boiler power range kW 3 – 10 6 – 20
Mini Bio efficiency at nominal power % 92.5 92.5
Mini Bio efficiency at minimum power % 90.8 92.4
Boiler class as per EN 303-5:2012 5 5
Combustion time at nominal power (fuel calorific value) : 18,305 kJ/kg) h 56 31
Temperature control settings range °C 50-80 50-80
Minimum water temperature at boiler return °C 45 45
Fuel type Class Sawdust granulate
(wood pellets) made
to as defined
in EN 303-5:2012 -
Class C1
Sawdust granulate
(wood pellets) made
to as defined
in EN 303-5:2012 -
Class C1
Storage hopper capacity L 220 240
Feed opening dimensions mm 558 x 558 658 x 658
Average power input W 90 90
Max. power input W 430 430
Max. noise level dB 52 52
The boiler meets Class 5 requirements for heat efficiency and gas emission as defined in PN-EN 303-5: 2012 provided that the boiler is installed
in a central heating system with a buffer tank.
Minimum buffer tank capacity:
V
Sp
= 15T
B
x Q
N
( 1 - 0,3 )
‡
V
Sp
-
buffer tank capacity in litres;
‡ Q
N
- nominal heat output in kW;
‡
T
B
-
fuel combustion time in hours;
‡
Q
H
-
building heat load in kW;
‡
Q
min
-
minimum heat output in kW;
The size of a hot water storage tank for multi-fuel boilers is selected for the fuel which requires the highest storage tank capacity. The minimum
hot water storage tank capacity is 300 litres.
Q
H
Q
min