19
2.6.
Available head
KB 24
Pmax
Pmin
Reduced load
(30%)
Casing heat loss with burner on
%
1.4
2.1
-
Casing heat loss with burner off
%
0.2
Chimney heat loss with burner on
%
2.6
2.2
-
Flue gas system mass flow rate
g/s
12.4
3.1
-
Flue gas temp. – air temp
°C
67
49
-
Maximum heat output efficiency rating (60/80°C)
%
97.5
-
-
Maximum heat output efficiency rating (30/50°C)
%
104.8
-
-
Minimum heat output efficiency rating (60/80°C)
%
-
95.7
-
Minimum heat output efficiency rating (30/50°C)
%
-
106.9
-
30% heat output efficiency rating
%
-
-
109.1
Efficiency rating (according to 92/42/CEE)
-
★★★★
NOx emission class
-
5
Table 6
KB 28
Pmax
Pmin
Reduced load
(30%)
Casing heat loss with burner on
%
0.9
2.3
-
Casing heat loss with burner off
%
0.3
Chimney heat loss with burner on
%
2.5
2.2
-
Flue gas system mass flow rate
g/s
13.9
3.1
-
Flue gas temp. – air temp
°C
51.2
45
-
Maximum heat output efficiency rating (60/80°C)
%
97.53
-
-
Maximum heat output efficiency rating (30/50°C)
%
105.4
-
-
Minimum heat output efficiency rating (60/80°C)
%
-
95.5
-
Minimum heat output efficiency rating (30/50°C)
%
-
106.7
-
30% heat output efficiency rating
%
-
-
108.9
Efficiency rating (according to 92/42/CEE)
-
★★★★
NOx emission class
-
5
Table 7
MODEL KB 28
MODEL KB 24
V1
V2
V3
Flow rate (l/h)
Head
av
ailable
[mbar]
Head
av
ailable
[mbar]
LEGEND
V1 Pump I speed (min)
V2 Pump II speed
V3 Pump III speed (max)
V1
V2
V3
Flow rate [l/h]
fig. 8
