AFA4000/2
Airflow Monitor / p.42
4.3.9
Foot switch
The Foot Switch is an optional, third party supplied component, which can be positioned
on the floor in front of the fume hood and used to open the sash.
Figure 14: Typical third party foot switch
4.3.10
Sash drive unit
The Sash Drive Unit is a geared electric motor and clutch assembly used to drive the
sash.
Three types of drive are available, none of which preclude manual opening / closing:
•
Rack and pinion drive
•
Chain and sprocket drive
•
Pulley and wire drive
Chain and sprocket drive
Rack and pinion drive
Pulley and wire drive
Figure 15: Example drives
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 ...