Viessmann VITODENS 111-W Technical Manual page 14

Vitodens 111-W
Maximum speed setting in the delivered condition
100
B
90
A
80
70
2
60
50
-25 -20 -15
Outside temperature in °C
A Max. speed 26 kW (90 %)
B Max. speed 35 kW (100 %)
C Minimum speed (65 %) at outside temperature +20 °C
Increasing the maximum speed changes the slope of the curve. This
causes the speed to automatically increase over the entire tempera-
ture range.
Pump rates
Rated heating output
range in kW
6.5 - 26.0
8.8 - 35.0
VIESMANN
14
(cont.)
-10 -5 0 5 10 15 20
Speed settings in the delivered con-
dition in %
Min. pump rate Max. pump rate
65
65
C
25
Power consumption, circulation pump
Rated heating output
range in kW
6.5 - 26.0
8.8 - 35.0
90
100
Max. Delivered condi-
tion
60
60
VITODENS
51.4
60