AFA4000/E VAV Airflow Controller / p.174
6. Select Sash Warning Timer > Sash Warning Time Delay.
7. Use the ↑ / ↓ buttons to set the Sash Warn Rpt Time to Enabled / Disabled. If set to Enabled,
use the ↑ / ↓ buttons to set the Sash Warn Rpt Time, then Done.
For example: Sash closed switch height set to 100 mm, sash warning delay set to 1 minute,
sash warning repeat timer set to 5 minutes. If the sash is > 100 mm, the close sash alarm
activates if the fume cupboard is unoccupied for 1 minute. After being muted, the alarm re-
sounds after 5 minutes. The alarm resets if the fume cupboard is then occupied or the sash is
<100 mm.
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