Viessmann Vitodens 200-W B2HA 100 Technical Data Manual page 13

Vitodens 200-W B2HA 100 to 150 Technical Data
Low-Loss Header Application
Sizing of Low-Loss Header in a Residential/Commercial Single-Boiler Application
Boiler No. of Boiler
Model Boilers Max.
Flow
Rate
B2HA 1 38
112 (8600) (8600)
*1 For system t < 20° F use low-loss header sizes for t 20° F.
*2 Low-Loss temperature sensor - optional equipment for use in single-boiler applications.
Sizing of Low-Loss Header in a Commercial Multiple-Boiler Application
Boiler No. of Boiler
Model Boilers Max.
Flow
Rate
B2HA 2 38
112 (8600) (17200)
B2HA 3 38
112 (8600) (25800)
B2HA 4 38
112 (8600) (34400)
B2HA 5 38
112 (8600) (43000)
B2HA 6 38
112 (8600) (51600)
B2HA 7 38
112 (8600) (60200)
B2HA 8 38
112 (8600) (68800)
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 sensor - standard equipment of the cascade control Vitotronic 300-K MW2B:
for use in multiple boiler applications.
(continued)
Total Typical System Flow Rates
Flow
Rate
t *1
(°C)
38 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
Total Typical System Flow Rates
Flow
Rate
t *1
(°C)
76 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
114 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
152 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
190 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
228 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
266 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
304 System Flow GPM
Rate (L/h)
LLH Required
LLH Model
°F 20 25
(11) (14)
37.5 30
(8517) (6814)
Yes Optional
160/80 120/80
°F 20 25
(11) (14)
75 60
(17034) (13627)
Yes Yes
200/120 200/120
113 90
(25552) (20441)
Yes Yes
250/150 250/150
150 120
(34069) (27255)
Yes Yes
300/200 300/200
188 150
(42586) (34069)
Yes Yes
300/200 300/200
225 180
(51103) (40882)
Yes Yes
400/200 400/200
263 210
(59620) (47696)
Yes Yes
450/250 400/200
300 240
(68137) (54510)
Yes Yes
450/250 400/200
Low-Loss Header Information
30 35
(17) (19.5)
25 21.4
(5678) (4867) (4429)
Optional Optional Optional
120/80 120/80 80/60
30 35
(17) (19.5)
50 43
(11356) (9734) (8517)
Yes Yes
200/120 200/120 160/80
75 64
(17034) (14601) (12776)
Yes Yes
250/150 250/150 200/120
100 86
(22712) (19468) (17034)
Yes Yes
250/150 250/150 200/120
125 107
(28391) (24335) (21293)
Yes Yes
300/200 250/150 250/150
150 129
(34069) (29202) (25552)
Yes Yes
300/200 300/200 300/200
175 150
(39747) (34069) (29810)
Yes Yes
300/200 300/200 300/200
200 171
(45425) (38936) (34069)
Yes Yes
400/200 300/200 300/200
Viessmann
Low-loss
Temp.
Sensor
Required*2
40
(22)
19.5 Optional
Viessmann
Low-loss
Temp.
Sensor
Required*2
40
(22)
38 Yes
Yes
56 Yes
Yes
75 Yes
Yes
94 Yes
Yes
113 Yes
Yes
131 Yes
Yes
150 Yes
Yes
13