Viessmann B1HF - Gas Condensing Combi Boiler

105
Gas boiler, type B and C, cate-
gory II
2N3P
Type B1HF
Rated heating output range (de-
tails to EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas kW
3.2 (5.7
*4
) -
11.0
3,2 (5,7)- 19,0 3,2 (5,7) - 25,0 3,2 (5,7) - 32,0
LPG kW 3,2 - 11,0 3,2 - 19,0 3,2 - 25,0 3,2 - 32,0
T
F
/T
R
= 80/60 °C
Natural gas kW 2,9 (5,2) - 10,1 2,9 (5,2) - 17,5 2,9 (5,2) - 23,0 2,9 (5,2) - 29,3
LPG kW 2,9 - 10,1 2,9 - 17,5 2,9 - 23,0 2,9 - 29,3
Condensate connection (hose
nozzle)
Ø mm 20 - 24 20 - 24 20 - 24 20 - 24
Flue gas connection Ø mm 60 60 60 60
Ventilation air connection Ø mm 100 100 100 100
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 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).
Gas condensing combi boiler
Gas boiler, type B and C, category II
2N3P
Type B1KF-26 B1KF-30 B1KF-35
Rated heating output range (details to EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas kW
3.2 (5.7
*4
) -
25.0
3.2 (5.7
*1*4
) -
25.0
3.2 (5.7
*1*4
) -
32.0
LPG kW 3.2 - 25.0 3.2 - 25.0 3.2 - 32.0
T
F
/T
R
= 80/60 °C
Natural gas kW
2.9 (5.2
*1*4
) -
23.0
2.9 (5.2
*1*4
) -
23.0
2.9 (5.2
*1*4
) -
29.3
LPG kW 2.9 - 23.0 2.9 - 23.0 2.9 - 29.3
Rated heating output for DHW heating
Natural gas kW
2.9 (5.2
*1*4
) -
26
2.9 (5.2
*1*4
) -
30
2.9 (5.2
*1*4
) - 35
LPG kW 2.9 - 26 2.9 - 30 2.9 - 35
Rated heat input (Qn)
Natural gas kW
3.0 (5.3
*1*4
) -
23.4
3.0 (5.3
*1*4
) -
23.4
3.0 (5.3
*1*4
) -
29.9
*4
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
*1
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
Specification
Specification (cont.)
6167586
Service