Fitting The Cylinder Temperature Sensor; Connecting The Heating Water Side - Viessmann Vitocell 140-E Installation And Service Instructions For Contractors

Installation sequence

Fitting the cylinder temperature sensor

The cylinder temperature sensor is supplied in the
■
control unit pack.
■ Position the sensor on the outside of the sensor
retainer contact spring (not in the groove) so that it is
flush with the front of the spring.
A
Fig.25
Sensor well for cylinder temperature sensor
A

Connecting the heating water side

■ Adjust the temperature controller and the high limit
safety cut-out so that the heating water temperature
in the heating water buffer cylinder does not exceed
110 °C.
Connect all pipework with detachable fittings.
■
28
2.
1.
3.
4.
5.
Never wrap insulating tape around the sensor.
■
■ Insert the sensor retainer with sensor into the sensor
well as far as it will go.
Permissible temperatures
Solar side
Heating water side
Permissible operating pressure
Solar side
Heating water side
Test pressure
Solar side
Heating water side
140 °C
110 °C
10 bar
(1.0 MPa)
3 bar
(0.3 MPa)
16 bar
(1.6 MPa)
4.8 bar
(0.48 MPa)