Description
The DR-H variable swirl diffuser is a high-performance, long-range diffuser. It is designed for heating and cooling rooms with open ceilings from 3 to 15 m high. It allows the precise adjustment of the ratio between horizontal and vertical air intake with minimal influence on pressure variation.
Construction
- round housing with connection opening on the horizontal position
- air supply openings at the perimeter and at the bottom plate of the diffuser
- element for controlling the direction and volume of air
- an internal perforated sheet ensures even distribution of air throughout the diffuser
Material and finish
Material options:
- galvanized sheet metal (standard)
- stainless steel sheet metal INOX AISI 304 SB
- stainless steel sheet metal INOX AISI 316 SB
Any colour from the RAL palette.
Drive
C - Manual drive
manual setting
E - Electric drive
electric actuator:
- CM24-L
- CM230-L
The electric motor drive can only be installed on diffusers of dimensions D1=400 to 800.
T - Thermostatic drive
thermostatic actuator that senses the temperature of the supply air and automatically adjusts the opening of the exhaust vents. The thermostatic element operates in a temperature range from 22 ºC to 38 ºC. It operates automatically and does not require additional energy sources and associated installations. The diffuser is set to the optimum position and activated at the factory.
Dimensions
| dimension | Ø D | Ø D1 | H | h | Q (m³/h) |
|---|---|---|---|---|---|
| 200/125 | 123 | 202 | 328 | 85 | 120-300 |
| 250/150 | 148 | 252 | 374 | 96 | 190-480 |
| 250/160 | 158 | 252 | 374 | 96 | 190-480 |
| 300/200 | 198 | 302 | 425 | 107 | 280-700 |
| 400/250 | 248 | 402 | 498 | 130 | 490-1250 |
| 500/315 | 313 | 502 | 585 | 152 | 780-1950 |
| 600/355 | 353 | 602 | 692 | 174 | 1150-2850 |
| 600/400 | 398 | 602 | 692 | 174 | 1150-2850 |
| 800/500 | 498 | 802 | 837 | 219 | 2000-5100 |
Installation
Suspended from the ceiling.