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Section 6 – Technical information
Section 6- Technical information
6.1 Cpi 12
Approved
fuel
Pellets Chips
Grains
1
Class -
3
3
3
Water content in fuel
%
6,7
20,8
13,0
Nominal
load
KW.
12 10 11
Minimum
load
KW.
3,2 2,8 2,8
Load sphere
KW.
0,5 -15
0,5 - 12
0,5 - 12
Capacity of fuel store
Litre
350
300
350
Combustion period by full fuel store
Hours
90
15/40
2
80
Efficiency by nominal load
%
90
85
84
Efficiency by minimum load
%
85
84
80
Flue temperature by nominal load
°C
147
137
133
Flue temperature by minimum load
°C
77
83
80
Flue gas amount by nominal load
Kg/h
28
27
31
Flue gas amount by minimum load
Kg/h
11
13
15
Minimum temperature of water returning
(Lowest acceptable)
°C
60 65 65
Draft necessary:
10 Pa (1 mbar)
Diameter of flue outlet:
Ø 130 mm
Heating area in boiler:
1,8 m²
Amount of water in boiler:
74 litres
Water resistance by temp. difference =10°C
5,4 mbar
Water resistance by temp. difference =20°C
19,6 mbar
Adjustment span for boiler thermostat:
70 – 90°C
Size of lid to fuel store:
510 x 640 mm.
Effect consumption by nominal yield,
to gear motor, fan and other:
App. 100 W
Electric supply:
See data plate on boiler
1
By a test with grains some 1 % calcium carbonate (feed chalk) was added to prevent slag being made
2
Combustion period for wood chips is depending on specific weight. 0,15 / 0,35
