95
Gas boiler, type B and C, category I
2N
/I
2H
Type
B0KA, BPKA
Rated heating output range (details to
EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas
kW
3.2 (7.0
*2
) to 19.0
3.2 (7.0
*2
) to 25.0
LPG
kW
3.2 to 19
3.2 to 25
T
F
/T
R
= 80/60 °C
Natural gas
kW
2.9 (6.3
*2
) to 17.0
2.9 (6.3
*2
) to 22.5
LPG
kW
2.9 to 17
2.9 to 22.5
Supply values
Relative to the max. load and 1013 mbar/15 °C
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
°C
38
38
Temperature
(at a return temperature of 60 °C, for
DHW heating)
°C
65
67
Temperature when overheating
°C
120
Mass flow rate
(for DHW heating)
Natural gas
■
At the max. rated heating output
kg/h
31.7
41.6
■
At partial load
kg/h
5.6 (9.8)
5.6 (9.8)
Available draught
(with individual connection)
Pa
250
250
mbar
2.5
2.5
Max. amount of condensate
To DWA-A 251
l/h
3.8
4.4
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).
*2
Appliances for multiple connection of type B0KA-[kW]-M
Specification
Gas condensing combi boiler
(cont.)
6179762
Service
