Installation instructions for the installation of sensors [3], [4] and LW 9

Please consider the following distances when installing.

• FL 60 P channel sensor: Installation location = approx. 2 times the duct diameter as a distance dimension downstream of the electric air heater. Drill a Ø10 mm hole in the duct, then screw the sensor in place with tapping screws (for small ducts in the centre, for large ducts set the maximum immersion depth).
• LW 9 air flow monitor: Install upstream of the fan, as the air flow is relatively uniform here, see also separate instructions. Set the air flow monitor so that the air speed through the air heater is at least 1.5 m/s.
• Attach PG screw fittings or comparable cable entries for room and duct sensors on site.