Viessmann VITODENS 222-F Installation And Service Instructions Manual page 39

Adjusting the pump rate of the integral...
Curve Pump rate, circulation pump
A
B
C
D
E
F
G
H
K
L
32 kW
700 70
650 65
L
600 60
K
550 55
500 50
H
450 45
400 40
350 35
G
300 30
250 25
F
200 20
E
150 15
100 10 D
C
50
5
A B
0 0
0 100 200
Flow rate in l/h
Fig. 31
Operating range upper limit
M
10 %
20 %
30 %
40 %
50 %
60 %
70 %
80 %
90 %
100 %
300 400 500 600 700
Commissioning, inspection, maintenance
(cont.)
M
800 900 1000 1100 1200
39