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
Содержание AFA4000/2
Страница 1: ...AFA4000 2 Airflow monitor Installation and operating manual Issue 1 ...
Страница 50: ...AFA4000 2 Airflow Monitor p 50 Figure 21 AFA4000 2 typical connection diagram ...
Страница 51: ...AFA4000 2 Airflow Monitor p 51 Figure 22 AFA4000 2 AS typical connection diagram ...
Страница 52: ...AFA4000 2 Airflow Monitor p 52 5 4 Dimensions Figure 23 AFA4000 2 and AFA4000 2 AS dimensions ...
Страница 53: ...AFA4000 2 Airflow Monitor p 53 Figure 24 SM7 airflow sensor dimensions ...
Страница 64: ...AFA4000 2 Airflow Monitor p 64 Figure 34 Side views of a rack and pinion drive typical installation ...
Страница 87: ...AFA4000 2 Airflow Monitor p 87 Figure 61 Adjusting the personnel sensor beam angle away from the fume hood ...
Страница 90: ...AFA4000 2 Airflow Monitor p 90 6 10 Auto Sash System Control Box general wiring diagram ...
Страница 127: ...AFA4000 2 Airflow Monitor p 127 ...
Страница 140: ...AFA4000 2 Airflow Monitor p 140 Figure 69 Typical connection diagram ...
Страница 144: ...AFA4000 2 Airflow Monitor p 144 Figure 70 Connection diagram with RS232 485 converter ...