92
Gas boiler, type B and C, category I
2N
/I
2H
Type
B0HA
Rated heating output range (details to
EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas
kW
3.2 to 19.0
3.2 to 25.0
LPG
kW
3.2 to 19.0
3.2 to 25.0
T
F
/T
R
= 80/60 °C
Natural gas
kW
2.9 to 17.0
2.9 to 22.5
LPG
kW
2.9 to 17.0
2.9 to 22.5
Supply values
Relative to the max. load and 1013 mbar/15 °C
With gas
Natural gas E
m
3
/h
1.88
2.48
Natural gas LL
m
3
/h
2.19
2.88
LPG
kg/h
1.4
1.83
Flue gas parameters
Temperature
(at a return temperature of 30 °C)
■
At rated heating output
°C
41
46
■
At partial load (individual connection)
°C
38
38
Temperature
(at a return temperature of 60 °C, for
DHW heating)
°C
65
67
Temperature when overheating
°C
120
Available draught
Pa
250
250
mbar
2.5
2.5
Available draught
for B23P
Pa
527
698
mbar
5.27
6.98
Max. amount of condensate
To DWA-A 251
l/h
2.5
3.3
Condensate connection (hose nozzle)
Ø mm
20 to 24
20 to 24
Flue gas connection
Ø mm
60
60
Ventilation air connection
Ø mm
100
100
Standard seasonal efficiency [to DIN] at
T
F
/T
R
= 40/30 °C
%
Up to 98 (H
s
) [gross cv]
Energy efficiency class
A
A
Note
The supply values are only for reference (e.g. in the
gas contract application) or for a supplementary, rough
estimate to check the volumetric settings. Due to fac-
tory settings, the gas pressure must not be altered
from these values. Reference: 15 °C, 1013 mbar
(101.3 kPa).
Specification
Gas condensing system boiler
(cont.)
6179762
Service
