AFA4000/E VAV Airflow Controller / p.80
On a fume hood with a single wall drill the hole in the top soffit panel and run the cables up
the sidewalls using suitable trunking or fixing pads and ties.
Drill a 17mm (0.67") hole to clear the cable DIN connector.
When using a grommet drill a suitable hole in the sidewall to accept the grommet.
Figure 44: Light curtain cable entry
Note: The hole’s centre should be a minimum of 35 mm (1.38") from the top of the light
beam path, so that the cable is not stressed when it bends 90° through the inner
sidewall.
5. Pass the cables through the sidewall and connect to the Sash Light Curtain Control Box on
the top of the fume hood.
6. Connect the light curtain transmitter and receiver to the Sash Light Curtain Control Box using
the plug-in RJ45 cables provided.
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