Viessmann VITOPLEX 300 Type TX3A - Heating circuit pump performance curves (cont.)

Head
Heating circuit pump DN 25 and DN 32
5
6
3
4
2
0
1
m
500
600
0.8 1.2 1.6 2.0 2.4 2.8 3.2
Head mbar
300
400
200
0
100
0 0.4
Flow rate in m³/h
A
Automatic adaptation function
B
Upper curve, proportional pressure
C
Lower curve, proportional pressure
D
Upper curve, constant pressure
E
Upper curve, constant pressure
F
Pump stage 1 for manual setting
G
Pump stage 2 for manual setting
H
Pump stage 3 for manual setting
Head
Heating circuit pump DN 40
max.
min.
2
0
4
6
8
10
200
0
400
600
800
1000
0 2 4 6 8 10 12 14
m Head mbar
12
1200
14
1400
16 18 20
Flow rate in m³/h
Proportional pressure
max.
min.
2
0
4
6
8
10
200
0
400
600
800
1000
0 2 4 6 8 10 12 14
m Head mbar
12
1200
14
1400
16 18 20
Flow rate in m³/h
Constant pressure
Head
Heating circuit pump DN 50
5
6
7
600
700
1
0
2
3
4
100
0
200
300
400
500
0
m Head mbar
4 8 12 16 20 24 28 32
max.
min.
Flow rate in m³/h
Proportional pressure
5
6
7
600
700
1
0
2
3
4
100
0
200
300
400
500
0
m Head mbar
4 8 12 16 20 24 28 32
min.
max.
Flow rate in m³/h
Constant pressure
Installation accessories
(cont.)
24
VIESMANN
OIL/GAS BOILERS
9
5822 426 GB