Gamma Ultra Supply – GUD454S
Performance Curve - GUD454S
Description
The Gamma Supply Ultra Series of mixed-flow roof units have
been designed for use in free outlet 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 3 sizes extending from 450 to 560mm
diameter
Features - Robust, lightweight construction.
- Choice of speeds available.
- Ideal for ducted installations.
- High performance mixed-flow impellers fitted.
- Can be mounted at angles up to 30°.
- Most 3-phase motors are 2-speed star/delta design as
- standard.
- Speed-controllable using electronic or auto-transformer controllers.
Construction
Cowls are of UV-stabilised plastic.
Steel components have a corrosion resistant finish.
Impellers are mixed-flow design and are of high performance
composite material.
Bird-mesh guards are fitted as standard.
Shutters cannot be fitted.
Motors
Type - external rotor, squirrel cage induction motor.
Electricity supply - 230V, single and 415V, three-phase, 50Hz Bearings - sealed-for-life, ball.
Speed-controllable using electronic or auto-transformer controllers.
Most three-phase units are fitted with 2-speed star/delta design motors.
Internal Thermal Protection
Thermal protection is supplied as standard on all motors.
Testing
Air flow tests to ISO 5801: 2007.
Noise tests to ISO 13347-3.
Suggested Specification
The roof ventilators shall be of the Gamma Supply Ultra Series supply air type as designed and manufactured by Fantech Pty Ltd.
Impellers shall be made from high performance injection moulded composite material. They shall be mixed-flow design and driven by speed-controllable external rotor motors with integral thermal overload protection.
The cowls shall be manufactured from UV-stabilised plastic. Steel components to be corrosion protected.
All performance data shall be for a complete assembled unit based on ISO5801 for air flow and ISO 13347-3 for noise
Technical Data - GUD454S
| Speed [rps] | Avg. dBA @ 3m | kWatts (Input) | Amps | Max.°C | Approx. Weight [kg] |
|---|
| 23 | | 1 | 1.95 | 60 | 46 |
Sound Data
| Type | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
|---|
| Inlet | 76 | 77 | 80 | 72 | 70 | 69 | 65 | 59 |
| Outlet | 79 | 83 | 86 | 77 | 76 | 72 | 68 | 60 |
Dimensions
*All dimensions in mm, unless otherwise stated
Ancillaries
