5. Select Sash Width, then use the ↑ and ↓ arrows to enter the measured internal width. Press
Mute. (Default value: 0 – 1200 mm).
6. Select Sash Gap, then use the ↑ and ↓ arrows to enter the measured gap value. Press Mute.
(Default value: 25 mm). (for example, the gap between the sash and soffit panel (e.g. 25
mm)).
7. Select Max Volume, then use the ↑ and ↓ arrows to adjust the value so the volumetric
output range is equal to the required fume cupboard volume range. Press Mute. (Default
value: 1000 l/sec). Select Done and Run. For example, setting the Max Volume 1000 l/sec
will give 10 Vdc @ 10,000 l/sec, setting the Max Volume to 500 l/sec will give 10 Vdc @ 500
l/sec etc.
8.5.4.1 Calibration
Once the settings described above have been entered, the sash position sensor must be
calibrated:
1. Navigate to Main Menu > Set up Monitor > Calibration.
Note: The Calibration menu is password protected. The default password is 0 0 0 0.
2. Select Sash Position Sensor.
3. Follow the on-screen instructions to move the sash to the first position (normal working
height, approximately 500 mm).
4. Use the ↑ and ↓ arrows to enter the sash height. Press Mute.
5. Follow the on-screen instructions to lower the sash to the second position (approximately
half way, 250 mm).
6. Use the ↑ and ↓ arrows to enter the sash height. Press Mute.
Select Done, followed by Run.
8.5.4.2 Testing
When the sash position sensor has been calibrated, and the extract fan is running, the measured
volume will display in the Diagnostics Menu I/O Status – Sensor Data screen (section 13.2).
To Next Page
Loading...