AFA4000/2
Airflow Monitor / p.77
Figure 49: Maximum under sash sensor offset
For example, on a 1000 mm wide Fume Hood the sensor can detect the retro-
reflective strip up to ± 20 mm either side of the Under Sash Sensor's centreline.
4.
Connect to the Auto Sash Control Unit. See the wiring schematic in section 6.10 and
Figure 31.
6.6
Tilt switch
Tilt Switches are provided in a variety of forms, the installation instructions that follow
are therefore general.
•
Ensure that the Tilt Switch is installed in the correct orientation
–
‘open’ when the
front panel is closed and ‘closed’ when the front panel
is open.
•
Connect the Tilt Switch to the Auto Sash Control Unit. See the wiring schematic in
section 6.10 and Figure 31.
•
Link out / connect the relevant terminals on the Auto Sash Control Unit when not
using a Tilt Switch. See the wiring schematic in section 6.10 and Figure 31.
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 ...