AFA4000/E VAV Airflow Controller / p.103
5. Enter the password (the factory default password is 1-0-0-1) and press Mute to continue.
6. In the Setup menu the controller displays System Profile.
7. Press the Mute button and use the ↑ / ↓ buttons to select DDA profile and press Mute.
8. Use the ↓ button to scroll through the menu, select Sash Settings and press Mute.
9. In the Autosash configuration menu, the display will show 1. Enabled.
10. Use the ↓ button to scroll through the menu and select 4. Calibration and press Mute.
11. Follow the on-screen instructions and set the sash to the centre opening, for example, 250
mm.
12. Press the ↓ button to find which arrow represents the sash closing and press Mute. This step
shows the controller which direction the motor needs to drive to close the sash.
13. Fully lower the Base and Fully close the sash and press Mute.
14. Fully raise the Base and Fully close the sash and press Mute.
15. Fully open the sash and press Mute.
16. With the Base Fully raised close the sash and set the bottom position and press Mute.
17. Set the positions as required:
For 1 position operation:
When only the lower position is required (for example,
close only), press ↑ / ↓ together to quit.
For 2 position operation:
Set the sash to the normal working height (for example,
500 mm) and press Mute.
Press ↑ / ↓ together to quit, when only 2 positions (lower
and middle) are required.
For 3 position operation:
Set the sash to the full opening height (for example,
750 mm) and press Mute.
The lower, middle and top positions are now calibrated.
Press Mute to quit calibration mode.
18. Use the ↓ button and select Back to Set up menu, then press Mute.
19. Use the ↓ button and select Exit and Save Changes, then press Mute.
20. The controller now enters Run mode.
Note, the Auto Lock, Auto Stop, Auto Open and Overcurrent Monitor functions also operate in
the DDA profile.
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