AFA4000/E
VAV Airflow Controller / p.47
4.3.8
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 13: Typical third party foot switch
4.3.9
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 14: Example drives
Содержание AFA4000/E
Страница 1: ...AFA4000 E VAV Airflow Controller Installation and operating manual Issue 2...
Страница 57: ...AFA4000 E VAV Airflow Controller p 57 Figure 22 AFA4000 E inverter control connections...
Страница 58: ...AFA4000 E VAV Airflow Controller p 58 Figure 23 AFA4000 E damper control connections...
Страница 59: ...AFA4000 E VAV Airflow Controller p 59 Figure 24 AFA4000 E typical connection diagram...
Страница 60: ...AFA4000 E VAV Airflow Controller p 60 Figure 25 AFA4000 E AS typical connection diagram...
Страница 62: ...AFA4000 E VAV Airflow Controller p 62 Figure 27 SM7 airflow sensor dimensions...
Страница 71: ...AFA4000 E VAV Airflow Controller p 71 Figure 34 Side views of a rack and pinion drive typical installation...
Страница 96: ...AFA4000 E VAV Airflow Controller p 96 6 9 Auto Sash System Control Box general wiring diagram...
Страница 158: ...AFA4000 E VAV Airflow Controller p 158...
Страница 182: ...AFA4000 E VAV Airflow Controller p 182 Figure 79 Connection diagram with RS232 485 converter...