Viessmann VITOTRONIC 300 GW2 Installation And Service Instructions Manual page 100

Additional information
System components
Outdoor temperature sensor
1.
4.
A
100
(continued)
The outdoor temperature sensor should be mounted 2 to 2.5 metres / 6.5 to 8 ft
above ground level on the north or north-west facing wall of the building. In the
case of multi-storey buildings, it should be mounted in the upper half of the
second storey.
Make sure that the sensor is not located over windows, doors and air vents,
nor immediately beneath a balcony or guttering.
Do not paint over the outdoor temperature sensor housing.
5.
3.
2.
A Outdoor temperature sensor
1
1. Remove the cap.
2. Mount the bottom part of the
sensor housing.
3. Pull the sensor wire through the
opening in the terminal
compartment and through the
strain relief provided.
4. Connect the wires to the
terminals.
5. Place the cap over the outdoor
temperature sensor.
WARNING
When extending wire, there is the
possibility of exposure to electromagnetic
interference. Avoid running wires
beside or near high voltage 120/240
VAC conductors. If proximity to high
voltage conductors cannot be avoided,
use stranded, twisted pair or shield
design wire. Ensure that only one end
of the shielding is grounded.