Viessmann VITOPLEX 200 Type SX2A Technical Manual page 24

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