Vitodens 200-W, B2HA 19 to 80 Technical Data
17
5683 717 - 03
Boiler
Model
No. of
Boilers
Boiler
Max.
Flow
Rate
Total
Flow
Rate
Typical System Flow Rates
Viessmann
Low-loss
Temp.
Sensor
Required*2
t
*1
°F
(°C)
20
(11.0)
25
(14.0)
30
(17.0)
35
(19.5)
40
(22.0)
B2HA
80
2
25
(5700)
50
(11400)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
52.0
(11811)
Yes
200/120
41.6
(9449)
Yes
200/120
35
(7874)
Yes
120/80
30
(6749)
Yes
120/80
26
(5906)
Yes
120/80
Yes
B2HA
80
3
25
(5700)
75
(17100)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
78
(17717)
Yes
200/120
62.4
(14174)
Yes
200/120
52
(11811)
Yes
200/120
44.6
(10124)
Yes
200/120
39
(8859)
Yes
160/80
Yes
B2HA
80
4
25
(5700)
100
(22800)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
104
(23223)
Yes
250/150
83.2
(18898)
Yes
250/150
69.3
(15749)
Yes
200/120
59.4
(13499)
Yes
200/120
52
(11811)
Yes
200/120
Yes
B2HA
80
5
25
(5700)
125
(28500)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
130
(29526)
Yes
300/200
104
(23621)
Yes
250/150
87
(19684)
Yes
250/150
74.3
(16872)
Yes
200/120
65
(14763)
Yes
200/120
Yes
B2HA
80
6
25
(5700)
150
(34200)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
156
(35434)
Yes
300/200
125
(28347)
Yes
300/200
104
(23623)
Yes
250/150
89
(20248)
Yes
250/150
78
(17717)
Yes
200/120
Yes
B2HA
80
7
25
(5700)
175
(39900)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
182
(41340)
Yes
300/200
145.6
(33072)
Yes
300/200
121.3
(27560)
Yes
300/200
104
(23623)
Yes
250/150
91
(20670)
Yes
250/150
Yes
B2HA
80
8
25
(5700
200
(45600)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
208
(47246)
Yes
400/200
166.4
(37797)
Yes
300/200
138.7
(31497)
Yes
300/200
119
(26997)
Yes
250/150
104
(23623)
Yes
250/150
Yes
Note:
for multiple boiler applications when using the Vitodens 200-W, B2HA boilers, refer to the multiple boiler
low-loss distribution manifold installation instructions.
*1 For system
t
< 20° F use low-loss header sizes for
t
20° F.
*2 Low-Loss temperature sensor - standard equipment of the cascade control Vitotronic 300-K MW2B:
for use in multiple boiler applications.
Sizing of Low-Loss Header in a Commercial Multiple-Boiler Application
Low-Loss Header Information
Low-Loss Header Application
(continued)