Viessmann B1HF - Page 104

104
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
Permiss. operating pressure bar
MPa
3
0,3
3
0,3
3
0,3
3
0,3
Connections (with connection
accessories)
Boiler flow and return R ¾ ¾ ¾ ¾
Cold water and DHW G ½ ½ ½ ½
Dimensions
Length mm 360 360 360 360
Width mm 400 400 400 400
Height mm 700 700 700 700
Gas connection R ¾ ¾ ¾ ¾
Supply values
Relative to the max. load and
1013 mbar/15 °C
Natural gas E
m
3
/h
1,88 1,88 2,48 3,16
Natural gas LL
m
3
/h
2,19 2,19 2,88 3,68
LPG kg/h 1,38 1,38 1,82 2,32
Flue gas parameters
Temperature (at a return temper-
ature of 30 °C)
– At rated heating output °C 39 41 46 59
– At partial load °C 38 38 38 38
Temperature (at a return temper-
ature of 60 °C, for DHW heating)
°C 64 65 67 72
Mass flow rate (for DHW heating)
Natural gas
– At rated heating output kg/h 31,7 31,7 41,6 54,9
– At partial load kg/h 5,6 (9,8) 5,6 (9,8) 5,6 (9,8) 5,6 (9,8)
LPG
– At rated heating output kg/h 30,1 30,1 41,0 53,9
– At partial load kg/h 5,1 5,1 5,1 5,1
Available draught
*3
Pa 250 250 250 250
mbar 2,5 2,5 2,5 2,5
Max. amount of condensate
To DWA-A 251
l/h 2,5 2,5 3,3 4,2
*4
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
*3
CH: The appliance has the following positive pressure (in Pascal) at the flue gas outlet: 200 Pa (2.0 mbar)
Specification
Specification (cont.)
6167586
Service