Viessmann Vitopend 100-W Installation And Service Instructions Manual page 25

Electrical connections
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.)
2. Plug the connecting cable supplied
into slot "X7".
3. Connect the temperature sensor to
terminals 3 and 4 (see page 24).
4. Set the function of the sensor at the
control unit during commissioning
(see page 38).
For function description see page 84.
Installation sequence
25