13
5813 312 - 01
Vitocell 300-W/V, EVIA/EVIB Installation, Operating and Service
Fitting the tank temperature sensor elbow for solar
operation (optional)
1. Seal threaded elbow and sensor well (accessories)
into the heating water return connection (solar
return).
2. Insert the tank temperature sensor (part of
solar control unit standard delivery) into the sensor
well as far as it will go and secure it against
slipping
out.
Installation
119 USG (450 L) Tank Installation
(continued)
Fitting the cover
Note:
The soft side of the thermal insulation must rest
against the tank body.
Legend
A
Cap with Viessmann logo
IMPORTANT
Never wrap insulating tape around the sensor. Do not
install solar tank sensor anywhere other than the brass
elbow with sensor well.