________________________________________________________________________________
8
AST 14 C 258/00
Design data and chimney sizing
KRB 12
Pmax.
Pmin.
Carico al 30 %
Casing heat loss with burner off
%
0,55
-
Casing heat loss with burner on
%
0,26
7,78
-
Flue system heat loss with burner on
%
2,64
1,92
-
Flue (natural gas) mass flow
g/s
8,25
0,89
-
Flue gas temp. – air temp.
°C
57,9
34,5
-
CO2 value (natural gas - propane)
%
9,0
9,3
-
Heat output efficiency rating (60/80°C)
10,0
10,3
-
Heat output efficiency rating (30/50°C)
%
97,1
90,3
-
Efficiency rating
(according to 92/42/EC)
% 105,1
105,0
106,0
Nox emission class
-
★★★★
Casing heat loss with burner off
-
5
KC-KRB 24
Pmax.
Pmin.
Load at 30 %
Casing heat loss with burner off
%
0.28
-
Casing heat loss with burner on
%
0.97
6.49
-
Flue system heat loss with burner on
%
2.62
2.09
-
Flue (natural gas) mass flow
g/s
12.43
1.33
-
Flue gas temp. – air temp.
°C
61
33
-
CO2 value (natural gas - propane)
%
9.0 – 10.0
9.3 – 10.0
-
Heat output efficiency rating (60/80°C)
%
96.7
91.4
-
Heat output efficiency rating (30/50°C)
%
105.1
104.9
106.5
Efficiency rating
(according to 92/42/EC)
-
★★★★
Nox emission class
-
5
KC-KRB 28
Pmax.
Pmin.
Load at 30 %
Casing heat loss with burner off
%
0.25
-
Casing heat loss with burner on
%
1.40
5.70
-
Flue system heat loss with burner on
%
2.40
2.00
-
Flue (natural gas) mass flow
g/s
13.93
1.47
-
Flue gas temp. – air temp.
°C
60
45
-
CO2 value (natural - propane)
%
9.0 – 9.7
9.3 – 10.3
-
Heat output efficiency rating (60/80°C)
%
96.4
92.3
-
Heat output efficiency rating (30/50°C)
%
105.5
104.5
107
Efficiency rating
(according to 92/42/EC)
-
★★★★
Nox emission class
-
5
