________________________________________________________________________________
8
AST 14 C 255/00
Design data and chimney sizing
RTFS - CTFS 24
Pmax.
Pmin.
Load at 30 %
Casing heat loss with burner off
%
0.26
-
Casing heat loss with burner on
%
1.05
0.63
-
Flue system heat loss with burner on
%
5.97
10.37
-
Flue system mass capacity
g/s
15.44
16.38
-
Flue gas temp. – air temp.
°C
95
77
-
Residual head available
Pa
105
105
-
CO
2
value
%
6.6
2.9
-
Heat output efficiency rating (60/80°C)
%
93.0
89.0
90.2
Heat output efficiency rating (30/50°C)
%
-
-
-
Efficiency rating
(according to 92/42/EC)
-
★★★
Nox emission class
-
2
RTFS - CTFS 28
Pmax.
Pmin.
Load at 30 %
Casing heat loss with burner off
%
0.2
-
Casing heat loss with burner on
%
0.76
1.01
-
Flue system heat loss with burner on
%
5.54
10.09
-
Flue system mass capacity
g/s
17.29
17.75
-
Flue gas temp. – air temp.
°C
101
87
-
Residual head available
Pa
70
70
-
CO
2
value
%
7.1
2.9
-
Heat output efficiency rating (60/80°C)
%
93.7
88.9
90.6
Heat output efficiency rating (30/50°C)
%
-
-
-
Efficiency rating
(according to 92/42/EC)
-
★★★
Nox emission class
-
2
CTFS 32
Pmax.
Pmin.
Load at 30 %
Casing heat loss with burner off
%
0.2
-
Casing heat loss with burner on
%
1.37
1.40
-
Flue system heat loss with burner on
%
5.23
9.20
-
Flue system mass capacity
g/s
17.8
19.7
-
Flue gas temp. – air temp.
°C
105
73
-
Residual head available
Pa
78
78
-
CO
2
value
%
7.5
3.1
-
Heat output efficiency rating (60/80°C)
%
93.4
89.4
91.0
Heat output efficiency rating (30/50°C)
%
-
-
-
Efficiency rating
(according to 92/42/EC)
-
★★★
Nox emission class
-
2
