Viessmann Vitodens 100 Series Installation And Service Instructions Manual page 27

Electrical connections
Information on connecting
accessories
When connecting accessories
observe the separate installation
instructions provided with them.
Cable entry
B
A Room temperature controller con-
necting cable
B LV leads (sensor leads)
Outside temperature sensor or room temperature sensor
(accessories)
1. Fit the temperature sensor.
Outside temperature sensor instal-
lation location:
■ North or north-westerly 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
vents
■ Not immediately below balconies
or gutters
■ Never render over
■ Connection:
2-core lead for low voltage,
length up to 35 m
(cont.)
A
2. Plug the connecting cable supplied
into slot "X7".
3. Connect the temperature sensor to
terminals 3 and 4 (see page 26).
4. Set the function of the sensor at the
control unit during commissioning
(see page 41).
Note
For function description see page 81.
Installation sequence
27