AFA4000/E VAV Airflow Controller / p.88
The fixing bracket has two 0.37 mm (0.015") diameter fixing holes.
Note: Ensure that the sensor is in a position that does not over extend the draw wire. The
sensor draw wire full stroke is 1270 mm (50") maximum.
3. Attach the draw wire to either:
• The sash using a suitably sized screw, the draw wire has a 9.53 mm (0.38") diameter
fixing ring with a 4.85 mm (0.18") diameter fixing hole in its centre.
• The sash cable using a cable tie, ensuring that the fixing ring does not run over the
pulleys.
• The counterweight using a cable (Figure 55).
Figure 55: Sash position sensor draw wire attached by cable tie
When the sensor is fitted, manually open / close the sash to ensure that the sensor is installed
correctly.
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