DA · A1SO–A4SO
DA Square Ceiling Diffuser
Multi-cone diffuser with one to four-way blow, removable core.
A square or rectangular ceiling diffuser with a removable inner cone assembly for cleaning and commissioning. One, two, three or four-way discharge patterns are available from the same frame, and a round collar or equalising grid can be added behind the neck.
Specification
| Discharge | 1-way (A1SO), 2-way (A2SO), 3-way (A3SO), 4-way (A4SO) |
|---|---|
| Construction | Aluminium, anodised or powder coated; removable inner core |
| Accessories | D1 damper, D2 round collar, C1 equalising grid |
| Sizes | A × B to ceiling module; custom neck sizes |
Performance table
Dimensions checked against the drawing. All sizes in millimetres.
| Module size A×B (mm) | Opening C×D (mm) | Face size E×F (mm) |
|---|---|---|
| 240×240 | 363×363 | 310×310 |
| 300×300 | 423×423 | 370×370 |
| 360×360 | 476×476 | 430×430 |
| 420×420 | 543×543 | 490×490 |
| 480×480 | 603×603 | 550×550 |
Scroll the table sideways for the remaining columns. The CSV carries every column including efficiency and shaft power.
Design notes
- Coanda throwAir attaches to the ceiling and mixes before entering the occupied zone.
- Removable coreCleaning and damper access without removing the ceiling grid.
- Pattern flexibilityDischarge pattern set at order, so one product family covers corners and open bays.
Options
- Round collar
- Equalising grid
- Damper
- RAL finish
Applications
- Office ceilings
- Hospital wards
- Ballrooms
- Airport terminals
