Biopel MINI - Installation and Operation Instructions
7
3.2.
Hydraulic losses of boilers
Biopel MINI 11
Value
Uncertaint
y
Δt - 10 °C
Water flow through the boiler
[m
3
/h]
0.950
0.005
Boiler's hydraulic loss
[Pa]
114
28
Boiler’s hydraulic loss
[mbar]
1.14
0.28
Flow resistance coefficient
[-]
2.12
0.59
Δt - 20 °C
Water flow through the boiler
[m
3
/h]
0.475
0.002
Boiler’s hydraulic loss
[Pa]
< 23
-
Boiler’s hydraulic loss
[mbar]
< 0.23
-
Flow resistance coefficient
[-]
< 1.75
-
Biopel MINI 21
Value
Uncertaint
y
Δt = 10 °C
Water flow through the boiler
[m
3
/h]
1.806
0.016
Boiler’s hydraulic loss
[Pa]
235
36
Boiler’s hydraulic loss
[mbar]
2.35
0.36
Flow resistance coefficient
[-]
1.21
0.46
Δt = 20 °C
Water flow through the boiler
[m
3
/h]
0.907
0.004
Boiler’s hydraulic loss
[Pa]
62
24
Boiler’s hydraulic loss
[mbar]
0.62
0.24
Flow resistance coefficient
[-]
1.27
0.58
Biopel MINI 40
Value
Uncertaint
y
Δt = 10 °C
Water flow through the boiler
[m
3
/h]
3.441
0.070
Boiler’s hydraulic loss
[Pa]
775
36
Boiler’s hydraulic loss
[mbar]
7.75
0.36
Flow resistance coefficient
[-]
1.10
0.23
Δt = 20 °C
Water flow through the boiler
[m
3
/h]
1.725
0.003
Boiler’s hydraulic loss
[Pa]
199
24
Boiler’s hydraulic loss
mbar
1.99
0.24
Flow resistance coefficient
[-]
1.12
0.36
3.3.
Burner
The pellet burner, like the boiler, differs according to its maximum power. The differences are in burner dimensions, types
of electrical components, shape and size of grates, thickness of the material used.
