Sensor Connection - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Installation

Sensor connection

145 15
1 2 3 1 2 3 1 2 3
A A B
A Flue gas temperature sensor
B Boiler temperature sensor
C Cylinder temperature sensor
D Outside temperature sensor
(cores may be interchanged)
Installation point for outside
temperature sensor
H North or north−western wall,
2 to 2.5 m above ground level;
in multi−storey buildings, in the
upper half of the second floor
H Not above windows, doors or
ventilation outlets
H Not immediately below balcony
or gutter
H Do not render over
Connection
2−core cable with a maximum
length of 35 m and a
cross−section of 1.5 mm
16
3 5 1
1 2 3 1 2 3
C D
2
(copper)
191 2 17
1 2 3 1 2 3 1 2 3
Mixer circuit
E F
E Flow temperature sensor
F Return temperature sensor