Viessmann Vitoligno 250-S Installation And Service Instructions For Contractors page 59

Extension kit components
Mixer motor with connecting cable, 4.2 m long
■
■ Plug for connecting the heating circuit pump
■ Flow temperature sensor (contact temperature sen-
sor)
Specification
Flow temperature sensor
Sensor type
IP rating
Permissible ambient temperature
During operation
■
During storage and transport
■
Curve
100
10
1
0.1
0 20 25 40
Temperature in °C
Fig. 36
Mixer motor
Rated voltage
Rated frequency
Rated current
Power consumption
Protection class
IP rating
Permissible ambient temperature
During operation
■
During storage and transport
■
Rated relay output breaking capacity
Heating circuit pump
■
Mixer motor
■
Viessmann cylinder temperature sensor (NTC)
IP 53 to EN 60 529; ensure through design/installation
20 to +90 °C
−
20 to +70 °C
–
60 80 100
230 V~
50 Hz
2 A
5.5 W
I
IP 32 D to EN 60 529, ensure through design/installation
0 to +40 °C
20 to +65 °C
–
2 (1) A 230 V~
0.2 (0.1) A 230 V~
Extension kit for heating circuit with mixer
59