Viessmann B1HF - Page 103

103
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
Rated voltage V 230
Rated frequency Hz 50
Appliance fuse protection A 4,0
Backup fuse (power supply) A 16
Communication module (inte-
gral)
WiFi frequency band MHz 2400 - 2483,5
Max. transmitting power dBm 20
Low power radio frequency band MHz 2400 - 2483,5
Max. transmitting power dBm 10
Supply voltage V 24
Power consumption W 4
Electronic temperature limiter
setting (TN) °C
91
Electronic temperature cut-out
setting °C
110
Permissible ambient tempera-
ture
■
During operation °C +5 bis +40
■
During storage and transport °C -5 bis +60
Weight
■
Excl. heating water and packag-
ing
kg 32 32 32 32
■
Incl. heating water kg 37,6 37,6 37,6 37,6
Water capacity (excl. diaphragm
expansion vessel)
l 3,0 3,0 3,0 3,0
Max. flow temperature °C 82 82 82 82
Max. flow rate
(Limit for the use of hydraulic sep-
aration)
l/h See residual head graphs
Nominal circulating water vol-
ume
At T
F
/T
R
= 80/60 °C
l/h 434 752 988 1259
Diaphragm expansion vessel
Capacity l 8 8 8 8
Pre-charge pressure bar
kPa
0,75
75
0,75
75
0,75
75
0,75
75
*4
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
Specification
Specification (cont.)
6167586
Service