Viessmann Vitodens 200-W B2HA-19, Technical Data Manual

Page: 14 / 56

Vitodens 200-W, B2HA 19 to 80 Technical Data
5683 717 - 03
14
Low-Loss Header Information
Low-Loss Header Application
Sizing of Low-Loss Header in a Residential Single-Boiler Application
* 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.
Boiler
Model
No. of
Boilers
Boiler
Max.
Flow
Rate
GPM
(L/h)
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
19
1 6.2
(1400)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
6.1
(1385)
Optional
80/60
4.9
(1108)
Optional
80/60
4.1
(924)
Optional
80/60
3.5
(792)
Optional
80/60
3.1
(693)
Optional
80/60
Yes
B2HA
28
1 6.2
(1400)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
9.1
(2071)
Yes
80/60
7.3
(1657)
Yes
80/60
6.1
(1381)
Optional
80/60
5.2
(1184)
Optional
80/60
4.6
(1035)
Optional
80/60
Yes
B2HA
35
1 6.2
(1400)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
11.4
(2589)
Yes
80/60
9.1
(2071)
Yes
80/60
7.6
(1726)
Yes
80/60
6.5
(1480)
Optional
80/60
5.7
(1295)
Optional
80/60
Yes
B2HA
45
1 15.4
(3500)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
14.6
(3316)
Yes
80/60
11.7
(2653)
Optional
80/60
9.7
(2211)
Optional
80/60
8.3
(1895)
Optional
80/60
7.3
(1658)
Optional
80/60
Yes
B2HA
60
1 15.4
(3500)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
19.4
(4406)
Yes
80/60
15.5
(3525)
Yes
80/60
12.9
(2937)
Optional
80/60
11.1
(2518)
Optional
80/60
9.7
(2203)
Optional
80/60
Yes
B2HA
80
1 25
(5700)
System Flow
Rate
LLH Required
LLH Model
GPM
(L/h)
26
(5905)
Yes
120/80
20.8
(4724)
Yes
120/80
17.3
(3937)
Optional
120/80
15
(3374)
Optional
120/80
13
(2953)
Optional
120/80
Yes