AFA4000/2
Airflow Monitor / p.73
4.
On a fume hood with an inner and outer sidewall the light curtain transmitter and
receiver cables run through the sidewall into the service void and up to the Sash Light
Curtain Control Box on top of the fume hood.
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 cent
re 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.
Summary of Contents for AFA4000/2
Page 1: ...AFA4000 2 Airflow monitor Installation and operating manual Issue 1 ...
Page 50: ...AFA4000 2 Airflow Monitor p 50 Figure 21 AFA4000 2 typical connection diagram ...
Page 51: ...AFA4000 2 Airflow Monitor p 51 Figure 22 AFA4000 2 AS typical connection diagram ...
Page 52: ...AFA4000 2 Airflow Monitor p 52 5 4 Dimensions Figure 23 AFA4000 2 and AFA4000 2 AS dimensions ...
Page 53: ...AFA4000 2 Airflow Monitor p 53 Figure 24 SM7 airflow sensor dimensions ...
Page 90: ...AFA4000 2 Airflow Monitor p 90 6 10 Auto Sash System Control Box general wiring diagram ...
Page 127: ...AFA4000 2 Airflow Monitor p 127 ...
Page 140: ...AFA4000 2 Airflow Monitor p 140 Figure 69 Typical connection diagram ...
Page 144: ...AFA4000 2 Airflow Monitor p 144 Figure 70 Connection diagram with RS232 485 converter ...