156
Fuel
Wood-
chips
Wood-
chips
Rated heating output
kW
50
60
Boiler connections
Boiler flow (KV)
R
1 ½
1 ½
Boiler return (KR)
R
1 ½
1 ½
Safety connection (SA)
G (male)
1 ½
1 ½
Extinguishing water connection
R (male)
¾
¾
Boiler drain valve
Rp (fem.)
½
½
Safety heat exchanger connections
Cold water inlet
R (male)
½
½
DHW drain pipe
R (male)
½
½
Sensor well for thermally activated safety valve (TS)
Rp (fem.)
½
½
Flue gas
Average flue gas temperature (gross)
*14
Average flue gas temperature at Q
N
°C
140
150
Average flue gas temperature at Q
min
°C
80
80
CO
2
content in flue gas at Q
N
% by vol.
15
15
Flue gas mass flow rate (damp)
*15
Q
N
, M5, O
2
6 %
kg/s
0.028
0.034
g/s
28
34
Q
N
, M30, O
2
8 %
kg/s
0.036
0.043
g/s
36
43
Flue gas flow rate
*15
Q
N
, M5, O
2
6 %
m
3
/s
0.03
0.04
Q
N
, M30, O
2
8 %
m
3
/s
0.04
0.05
Flue outlet
7
mm
150
150
Required draught
■
At Q
N
mbar
0.05
0.05
Pa
5
5
■
At Q
min
mbar
0.03
0.03
Pa
3
3
Max. permissible draught requirement
mbar
0.15
0.15
Pa
15
15
Efficiency
■
At full load
%
≤
93.0
≤
94.4
■
At partial load
%
≤
92.0
≤
92.0
CE designation
in accordance with the Machinery Directive
CE
CE
Boiler category to EN 303-5
5
5
Energy efficiency class
A+
A+
*14
Actual flue gas temperature as average gross value in line with EN 304 at 20 °C combustion air temperature
*15
Calculated values for sizing the flue system to EN 13384
Specification
Specification
(cont.)
5679249
Appendix
