Specification - Viessmann VITOGAS Technical Manual

Product information

1.3 Specification

Gas boiler, type B /B
11 11 BS
1
Rated output
Rated heat input
Heating surface
U-value of thermal insulation
Product ID
Gas supply pressure (nominal pres-
sure)
Natural gas
LPG
Max. permissible gas supply pres-
sure
Natural gas
LPG
Total dimensions (height is given
incl. 13 mm adjustable feet)
Length
Total length c
Width a
Total width b
Height without control unit
Height with control unit
Height with flue pipe bend d
Plinth height
Total weight
Boiler with thermal insulation, burner
and boiler control unit
Content boiler water
Permiss. operating pressure
Boiler connections
Boiler flow and return
Safety flow
Drain
Gas connection
Connection values
in relation to the max. load
Natural gas E
Natural gas LL
LPG
Flue gas parameters
(calculation values for sizing the flue
gas system to EN 13384)
Flue gas temperatures
(gross values, measured at 20 °C
combustion air temperature)
50 °C boiler water temperature
(actual values are significant for the
sizing of the flue system)
80 °C boiler water temperature
(actual values for determining the
application range of flue gas lines with
max. permissible operating tempera-
tures)
Mass flow rate
Natural gas
at CO content
2
LPG
at CO content
2
Required draught
Flue gas connection
Seasonal efficiency [to DIN]
T /T = 75/60 °C
V R
Standby heat loss at 60 °C boiler
water temperature
VIESMANN
6
(cont.)
, category II
2ELL3 P
kW 11
kW 12.1
2 1.04
m
2 0.45
W/m K
mbar 20
mbar 50
mbar 25
mbar 57.5
mm 580
mm 760
mm 446
mm 500
mm 788
mm 890
mm 950
mm 250
kg 101
litres 7.6
bar 3
G 1½
G 1½
R ¾
R ½
3 1.28
m /h
3 1.49
m /h
kg/h 0.95
°C 80
°C 90
kg/h 32
% 5.5
kg/h 30
% 6.6
Pa 3
mbar 0.03
Ø mm 90
%
% 1.9
15 18 22 29
16.6 19.9 24.3 32.0
1.04 1.51 1.51 1.99
0.45 0.45 0.45 0.45
CE 0085 AS 0297
20 20 20 20
50 50 50 50
25 25 25 25
57.5 57.5 57.5 57.5
580 580 580 580
760 760 760 760
446 526 526 596
500 580 580 650
788 788 788 788
890 890 890 890
980 1005 1005 1025
250 250 250 250
101 124 124 148
7.6 9.7 9.7 11.7
3 3 3 3
1½ 1½ 1½ 1½
1½ 1½ 1½ 1½
¾ ¾ ¾ ¾
½ ½ ½ ½
1.76 2.11 2.57 3.39
2.04 2.45 2.99 3.94
1.30 1.56 1.90 2.50
95 90 97 102
104 102 106 118
48 58 73 92
5.0 5.0 4.8 5.0
48 54 67 84
5.6 6.0 5.9 6.2
3 3 3 3
0.03 0.03 0.03 0.03
110 130 130 150
84 (H )/93 (H
s
1.5 1.5 1.2 1.1
35 42 48
38.6 46.4 53.0 66.2
2.46 2.93 3.40 4.35
0.45 0.45 0.45 0.45
20 20 20
50 50 50
25 25 25
57.5 57.5 57.5 57.5
580 580 580 580
780 780 780 780
706 796 886 1076
760 850 940 1130
788 788 788 788
890 890 890 890
1025 1025 1095 1095
250 250 250 250
170 194 218 264
13.8 15.9 17.9 21.9
3 3 3
1½ 1½ 1½
1½ 1½ 1½
¾ ¾ ¾
½ ½ ½
4.09 4.91 5.61 7.01
4.75 5.71 6.52 8.15
3.02 3.62 4.14 5.17
101 114 114 109
113 130 130 122
107 105 127 160
5.2 6.5 6.1
95 101 126 153
6.7 7.6 6.9
3 3 3
0.03 0.03 0.03 0.03
150 150 180 180
)
i
1.0 0.9 0.8
VITOGAS
60
20
50
25
3
1½
1½
¾
½
6.0
7.1
3
0.8