Viessmann FB2B Installation And Service Instructions Manual page 20

Installation sequence
Electrical connections
aVG % &
20
(cont.)
Connect collector temperature sensor
A
& to terminal box B of solar control
module A.
On-site extension cable: 2-core, cross-
section 1.5 mm
Note
The cylinder temperature sensor for
solar heating % is delivered fitted and
B
connected.
2
.