Circulation Pumps And Heads; Variable Speed Heating Circuit Pump; Circulation Pump Viupe 60 Bus; Residual Head Of The Integral Circulation Pump - Viessmann VITODENS 300 Datasheet

Specification

circulation pumps and heads

Specification circulation pumps and heads
Vitodens 300, 4.5 to 12.0 kW on request

Variable speed heating circuit pump

The pump speed and therefore the flow
rate is relayed to the pump, and is set by
the control unit subject to outside
temperature and switching times for the
central heating or reduced mode via an
internal data BUS.
Vitodens 300, 6.6 to 35.0 kW

Circulation pump VIUPE 60 BUS

Rated voltage V ~
Rated current A max.
A min.
Power W max.
consumption W min.
W as delivered condition
W 26 kW
W 35 kW

Residual head of the integral circulation pump

450
40 400
350
30 300
250
20 200
L
150
10 100
50
0 0
0 100
Volume flow in litres/h
Curve Capacity Setting
Circulation pump Code address E 6
A
30 %
B
40 %
C
50 %
D
60 %
E
70 %
F
80 %
G
90 %
H
100 %
8
Individually match the minimum and
maximum speed plus the speed during
reduced mode to the existing heating
system using the control unit codes.
In the delivered condition, the minimum
pump capacity (code address E 7) is set to
30 %, and the maximum pump capacity
(code address E 6) to 50 % for 26 kW or to
70 % for 35 kW.
230
0.45
0.21
100
50
65
80
200 300 400 500
Example
H Vitodens 300, 6.6 to 26.0 kW
H Design temperatures 75/55 ºC
H Radiator heating system,
E 6:030
E 6:040
heat demand 20 kW
¢ Volume flow 860 litres/h K
E 6:050
E 6:060 H Pressure drop 150 mbar L
E 6:070 H Design point M
E 6:080
E 6:090
Optimum pump curve according to diagram:
C = code address E 6:050.
E 6:100
M
600 700 800 900
K
Using the diagram, the flow rate can be
adjusted to the respective system
conditions.
Matching the flow rate of the circulation
pump to the individual system conditions
reduces the power consumption of the
heating system.
H
E
D
B C
A
1000 1100 1200 1300
VITODENS 300
G
F
1400