EbV Product documentation THETA NORM/UNIT
13-1
13 Accessories
13.1 Outdoor sensor AF
Mounting location The outdoor sensor should be installed on the coldest side of the building (north or
north-west) at approx. one third of the buildingís height (minimum distance from the
ground: 2 m).
Exception: Choose the corresponding side of building due to the direction of the preferential
living area.
Never mount sensor onto external heat sources such as chimneys, hot air from air
shafts, sunlight or black undergrounds etc. since this will falsify the measured values
considerably. The cable outlet must be directed downwards in order to avoid the
intrusion of moisture.
Electrical installation
1- Install sensor cable to the sensor location.
2- Loosen lid screws and remove top
3- Mount open sensor case with enclosed central fixing screw. Use sealing ring!
Cable outlet must be directed downwards!
4- Insert sensor cable. The cable insulation must be encircled by the sealing lips
of cable entry.
5- Set up electrical connection. For the electrical installation preferably a 2-core
cable with at least sectional view of 1 mm
2
is recommended. The connection
is made at the screw terminal block inside the sensor case and may be
changed.
6- Put on lid again an and screw it firmly with the case. Pay attention to correct
seat of sealing ring.
Outdoor sensor AF
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