Dorchester DR-SG XX-210
20 kW
25 kW
30 kW
Nominal power Pn
kW
21
26.3
31.5
Rated heat input Qn
kW
20
25
30
Min heat input Qmin
kW
6
6
6
Gas flow rate at Pn (15 °C)
m
3
/h
2.1
2.6
3.2
CO
2
value range
%
at Qmin: 9.4 % < CO
2
< 9.8 %
at Qmax: 8.6 % < CO
2
< 9.0 %
Mass flow rate of the flue gas
kg/h
Q
n
Q
min
33.1
7.9
41.4
7.9
49.7
7.9
Temperature of the combustion
products circuit
°C
100
100
100
Nominal operating temperature of
the combustion products
°C
57
58
60
Exhaust outlet interior diameter
mm
80
80
80
Maximum allowable nozzle pressure
(B23P)
Pa
110
170
200
Combustion air flow rate at Qn (15
°C)
m
3
/h
25
31
37
Nitrogen oxide emissions (NOx)
mg/kWh
29
29
29
Smoke removal and air inlet type
classifications
B23 / B23p / C13 / C33
3.3.
Combustion at 15°C and 1013 mbar
3.3.1. Combustion G20
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00U07337760-A
DORCHESTER DR-SG -
Installation, Operation and Maintenance