Cylinder Temperature Sensor Of The Boiler Control Unit; Connecting The Solar Control Unit - Viessmann Vitocell 100-U Installation Instructions For Contractors

Cylinder temperature sensor of the boiler control unit

!
Please note
Contact with hot components causes damage to
cables.
After installation, cables must not come into con-
tact with hot components.
Note
The cylinder temperature sensor is supplied with the
Viessmann boiler control unit or is available as an
accessory.
A
Fig. 13
Sensor well for cylinder temperature sensor of the
A
boiler control unit

Connecting the solar control unit

Solar control unit:
Vitosolic 100, type SD1
■
or
■ SDIO/SM1A electronics module
The following are already connected to the solar con-
trol unit:
Cylinder temperature sensor
■
■ Pump connecting cable
■ On versions equipped with high efficiency circulation
pump: PWM cable, solar circuit pump
Note
If not yet connected, push the pump connecting cable
plug into the pump.
14
2.
1.
3.
4.
Note
Never wrap insulating tape around the sensor.
1. Pull the sensor retainer from the sensor well.
2. Secure the cylinder temperature sensor to the out-
side of the contact spring of the sensor retainer
(not in the groove) so that it is flush with the front of
the spring.
3. Fasten the lead.
4. Insert the sensor retainer together with the sensor
as far as they will go into the sensor well.