70
1.
Select the number of heating circuits (HC) and
domestic hot water heating (DHW) in the two left-
hand columns of the table.
2.
Take the setting for the respective extension kit
from the table.
Extension kit specification
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
Viessmann cylinder temperature sensor (NTC)
IP rating
IP 53 to EN 60 529; ensure through design/installation
Permissible ambient temperature
■
During operation
−
20 to +90 °C
■
During storage and transport
–
20 to +70 °C
Curve
0.1
1
10
100
0
20
40
60
80
100
Temperature in °C
Resistance
in kΩ
25
Fig. 42
Mixer motor
Rated voltage
230 V~
Rated frequency
50 Hz
Rated current
2 A
Power consumption
5.5 W
Protection class
I
IP rating
IP 32 D to EN 60 529, ensure through design/installation
Permissible ambient temperature
■
During operation
0 to +40 °C
■
During storage and transport
–
20 to +65 °C
Rated relay output breaking capacity
■
Heating circuit pump
2 (1) A 230 V~
■
Mixer motor
0.2 (0.1) A 230 V~
Maintenance
Extension kit for heating circuit with mixer
(cont.)
5777 985 GB
Maintenance
