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Viessmann Vitodens 200 WB2 6-24C Technical Data Manual page 4

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Vitodens 200
Technical Data
Boiler Model
Natural gas
CSA input
CSA output/DOE
heating capacity
*1
Net I=B=R rating
Propane gas
CSA input
CSA output/DOE
heating capacity
*1
Net I=B=R rating
Heat exchanger surface area
Min. gas supply pressure
Natural gas
Propane gas
*2
Max. gas supply pressure
Natural gas
Propane gas
A.F.U.E.
Max. power consumption (incl.
integrated pump for WB2 6-24
and 8-32)
Weight
Boiler water content
Integrated pump flow rate
*3
at 6.6 ft./2 m head pressure
*4
Boiler max. flow rate
Max. operating pressure
at 210 ºF/99 ºC
Boiler water temperature
– Adjustable high limit (AHL)
range
space heating
DHW production
– Fixed high limit (FHL)
Boiler connections
Boiler heating supply and return NPTM "
Pressure relief valve
Drain valve
Boiler supply/return for
indirect-fired DHW storage tank NPTM "
*1
Net I=B=R rating based on piping and pick-up allowance of 1.15.
*2
If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of the
heating system.
*3
With pump rotational speed set to 100% flow capacity (2700 rpm), see Coding Address 045 in the Vitodens 200 Start-up/Service Instructions.
Pump factory default setting is 65% flow capacity (2000 rpm).
*4
See "Typical System Flow Rates" on page 8 in this manual.
4
Combi Series
Model No.
WB2 6-24C
MBH
25-91
kW
7-27
MBH
22-81
kW
6-24
MBH
70
MBH
25-81
kW
7-24
MBH
22-73
kW
6-21
MBH
63
2
ft.
8.22
2
m
0.76
"w.c.
4
"w.c.
11
"w.c.
14
"w.c.
14
%
94.2
W
120
lbs
159
kg
72
USG
1.1
ltr
4.0
GPM
4.6
ltr/h
1050
GPM
6.2
ltr/h
1400
psig
45
bar
3
ºF/
ºC
ºF/
ºC
ºF/ºC
¾
NPTF "
¾
(male
¾
thread)
––
WB2 6-24
WB2 8-32
25-91
37-124
7-27
11-36
22-81
33-112
6-24
10-32
70
97
25-81
37-112
7-24
11-33
22-73
33-101
6-21
10-30
63
88
8.22
9.91
0.76
0.92
4
4
11
11
14
14
14
14
94.2
94.1
120
120
143
165
65
75
1.1
1.2
4.0
4.6
4.6
4.6
1050
1050
6.2
7.0
1400
1600
45
45
3
3
68 to 180/
20 to 82
108 to 183/
42 to 84
210/99
¾
¾
¾
¾
¾
¾
¾
¾
Standard heating boiler
WB2 11-44
WB2 15-60
55-172
80-230
16-50
23-67
49-153
71-205
14-44
21-60
133
178
55-155
80-214
16-45
23-63
49-138
71-191
14-40
21-56
120
166
20.91
20.91
1.94
1.94
4
11
11
14
14
14
14
94.0
94.0
85
85
198
198
90
90
3.1
3.1
11.7
11.7
––
––
––
––
15.4
15.4
3500
3500
45
45
3
¾
¾
1
7
3
1

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