AFA4000/2
Airflow Monitor / p.34
4.2.2
Auto Sash Controller with Sash Low micro-switch
A Sash Low Micro-Switch can be specified for fitting by TEL or by the fume hood
manufacturer. The switch can be arranged to be open / closed when the sash is closed,
depending on fitting. The wiring arrangement must be modified for installation and the
operational requirements of the fume hood.
The following functionality is available:
•
The sash automatically drives to the bottom position, when the user is not present.
•
Press the
Down
pushbutton to drive the sash to the bottom position, when the user is
present.
•
The
Up
pushbutton is disabled.
4.2.3
Auto Sash Controller with Sash Low proximity switch
A Sash Low Proximity Switch can be specified for fitting by TEL or the fume hood
manufacturer. The switch can be arranged to be open/closed when the sash is closed,
depending on fitting. The wiring arrangement must be modified for installation and the
operational requirements of the fume hood.
The following functionality is available:
•
The sash automatically drives to the bottom position, when the user is not present.
•
Press the
Down
pushbutton to drive the sash to the bottom position, when the user is
present.
•
The
Up
pushbutton is disabled.
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 ...