Mixer Circuit Extension Kit - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Mixer circuit extension kit,

Comprising a flow temperature sensor as contact sensor for detecting the
flow temperature and a mixer motor with a 4.2 m long connecting cable as
well as a plug for connecting the heating circuit pump.
Contact temperature sensor,
For recording the flow and return temperature.
740
720
700
680
660
640
620
600
580
560
540
20 30 40 50 60 70 80 90 100
Flow or return temperature in ºC
part no. 7450 650
part no. 7183 288
Connection
The sensor is plugged into socket 2
or 17 of the control unit.
Checking sensor
1. Pull plug ? or aJ.
2. Check the sensor resistance at
terminals 1 and 2 of the plug.
3. Compare the measurement with
the actual temperature (for
scanning, see page 31).
Check the installation and replace
sensor, if necessary, in case of
severe deviation.
Specification
Protection:
Permiss. ambient
temperature
H in operation:
H during storage
and transport:
Components
IP 32
0 to + 100 ºC
20 to + 70 ºC
63