Pump Information; Heating Circuit / Boiler Pumps; Pump Selection - Viessmann Vitodens 200-W B2HA Application Manual

Vitodens 200-W, Technical Data

Pump Information

Heating Circuit / Boiler Pumps

Viessmann offers a variety of Grundfos heating circuit/
boiler pumps which meet typical Vitodens system
installation requirements (see "Heating circuit pump
(field supplied)" or "Boiler pump (field supplied)" in the
Installation Examples starting on page 28). See tables
below for recommended pumps. Refer to the graph
on page 8 for the proper waterside boiler friction loss
calculations. The following pumps have been selected
based on boiler heat exchanger head loss and boiler piping
to a low-loss header.
M o d l e
Flow rate
20ºF t GPM (L/h)
25ºF t GPM (L/h)
30ºF t GPM (L/h)
35ºF t GPM (L/h)
40ºF t GPM (L/h)
Flow limitation GPM (L/h)
Recommended boiler pumps

Pump Selection

Model B2HB 45 Flow rate
GPM (L/h)
- -
20º F t
11.9 (2707)
25º F t
9.9 (2256)
30º F t
8.5 (1934)
35º F t
7.5 (1692)
40º F t
Flow limitation
Model B2HB 57 Flow rate
GPM (L/h)
- -
20º F t
- -
25º F t
12.3 (2801)
30º F t
10.6 (2401)
35º F t
9.3 (2101)
40º F t
Flow limitation
Before using the following pumps for a DHW tank
application, find out the proper pressure drop through the
tank, the required temperature difference through the coil
and system piping head loss of the domestic hot water.
IMPORTANT
Pump selection must be based on accurate system flow
and pressure drop calculations (includes DHW sizing).
B 2 H B 1 9
6 4 . 1 ( 4 5 ) 3
5.1 1 ( 1 6 ) 3
4.3 (969)
3.7 (830)
3.2 (727)
6.2 (1400)
Grundfos UPS 15-58 (3-speed), Taco 0015, Wilo Star S 21 FX
Boiler pressure drop
ft. (m)
- -
15.4 (4.7) UPS 26-99FC, 115V, Speed2
10.4 (3.2) UPS 26-99FC, 115V, Speed2
8.0 (2.5) UPS 26-99FC, 115V, Speed1
6.3 (1.9) UPS 26-99FC, 115V, Speed1
14.3 GPM (3250 L/h)
Boiler pressure drop
ft. (m)
- -
- -
13.5 (4.1) UPS 26-99FC, 115V, Speed2
12.7 (3.9) UPS 26-99FC, 115V, Speed2
9.0 (2.7) UPS 26-99FC, 115V, Speed1
14.3 GPM (3250 L/h)
B 2 H B 2 6
- -
- -
5.9 1 ( 3 3 ) 2
5.0 1 ( 1 4 ) 2
4.4 (999)
6.2 (1400)
Recommended
pump option 1
Grundfos
- -
Recommended
pump option 1
Grundfos
- -
- -
B 2 H B 3 5
- -
- -
- -
- -
5.9 (1328)
6.2 (1400)
Recommended
pump option 2
Grundfos
- -
UP 26-64F, 115V
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Recommended
pump option 2
Grundfos
- -
- -
UP 26-64F, 115V
UP 26-64F, 115V
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