Description
The Gamma Series of centrifugal supply air roof units have been designed for use in free intake and ducted installations.
These compact and low profile units are ideal for supplying fresh air to an air handling unit or to an air conditioning
system in commercial buildings.
They are available in 8 sizes extending from 315 to 710mm diameter.
Typical Application
Supplying fresh air to an air handling unit or to an air conditioning system in commercial buildings. Also suitable where make-up air or positive pressure is required in the ventilated space.
Features
Corrosion-proof, robust construction.
Choice of speeds available.
Ideal for ducted installations.
Fitted bird mesh prevents debris and birds entering building and interrupting motor operation.
High performance backward-curved centrifugal impellers fitted.
Can be mounted at angles up to 30°.
Some 3-phase motors are 2-speed star/delta design as standard.
Speed-controllable using electronic or auto-transformer controllers.
Single Phase Models
| Product Code | Avg.
dB(A)@ 3m | kW | Amps | Max.Pre
[Pa] | Max.Vol
[m3/sec] |
|---|
| 48 | 0.14 | 0.7 | 194 | 0.38 |
| 51 | 0.27 | 1.3 | 291 | 0.63 |
| 54 | 0.43 | 2.4 | 363 | 0.87 |
| 42 | 0.08 | 0.38 | 68 | 0.20 |
| 43 | 0.07 | 0.32 | 111 | 0.39 |
| 44 | 0.17 | 0.8 | 154 | 0.57 |
| 54 | 0.66 | 3 | 305 | 1.69 |
| 47 | 0.35 | 1.65 | 164 | 1.20 |
Three Phase Models
| Product Code | Avg.
dB(A)@ 3m | kW | Amps | Max.Pre
[Pa] | Max.Vol
[m3/sec] |
|---|
| 48 | 0.14 | 0.29 | 194 | 0.38 |
| 51 | 0.275 | 0.63 | 291 | 0.63 |
| 54 | 0.45 | 1.4 | 363 | 0.88 |
| 65 | 1.7 | 3.3 | 733 | 2.76 |
| 70 | 3.9 | 6.6 | 951 | 3.55 |
| 42 | 0.1 | 0.16 | 68 | 0.20 |
| 43 | 0.275 | 0.63 | 111 | 0.35 |
| 44 | 0.17 | 0.37 | 154 | 0.57 |
| 54 | 0.65 | 1.4 | 305 | 1.78 |
| 58 | 1.1 | 2.2 | 371 | 2.25 |
| 61 | 1.95 | 3.6 | 491 | 3.26 |
| 40 | 0.16 | 0.3 | 68 | 0.34 |
| 47 | 0.44 | 0.8 | 164 | 1.24 |
| 50 | 0.65 | 1.15 | 214 | 1.54 |
| 53 | 0.66 | 2 | 269 | 2.38 |
| 46 | 0.66 | 2 | 179 | 2.02 |
