Connecting Sensors - Viessmann VITOLIGNO 300-P Installation Instructions Manual

Making the electrical connections

Connecting sensors

Note
Check existing hydraulic components (see service instructions, chapter "Matching
the control unit to the heating system") and assign slots accordingly.
1 9
1 2 3 1 2
A B
A Outside temperature sensor
B Buffer cylinder temperature sensor,
top
C Buffer cylinder temperature sensor,
bottom
D Cylinder temperature sensor
E Flow temperature sensor M1
Installation point for outside temper-
ature sensor
■ 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
■ Not above windows, doors or ventila-
tion outlets
14
(cont.)
M1
9 5
1 2 1 2 1 2
C D
F Cylinder temperature sensor (in
conjunction with a solar thermal sys-
tem)
G Collector temperature sensor (in
conjunction with a solar thermal sys-
tem)
■ Not immediately below balconies or
gutters
■ Never render over
Outside temperature sensor connec-
tion
2-core lead, up to 35 m long with a cross-
section of 1.5 mm
So So6
2 5 2/6
1 2 1 2
E F
2
G