Twin Gamma Series - Centrifugal Fans – TCE252
Performance Curve - TCE252
Description
The Gamma Series of centrifugal roof units is generally used in ducted systems for a wide range of exhaust applications.
Construction
Cowls are of UV-stabilised plastic.
Steel components have a corrosion-resistant finish.
Bird-mesh guards are fitted as standard on size 284 and above.
Backward-curved centrifugal impellers.
Motors
Type - external rotor, squirrel cage induction motor.
Electricity supply - 220-240V single or 415V three-phase, 50Hz.
Bearings - sealed-for-life, ball.
Speed-controllable using electronic or auto-transformer controllers except CE316.
Internal Thermal Protection
Thermal protection is supplied as standard on all units.
Auto-reset is fitted to units up to ‘28.’ and manual-reset for size ‘31.’ onwards.
Testing
Air flow tests to BS848:Part 1, 1980.
Noise tests to BS848:Part 2, 1985.
Suggested Specification
The Gamma Series of centrifugal roof ventilators shall be of the vertical discharge type as designed and manufactured by Fantech Pty. Ltd.
Impellers shall be backward-curved centrifugal design and driven by speed-controllable external rotor motors with integral thermal protection.
The cowl shall be of the vertical discharge design and formed from plastic and/or fibreglass. Steel components shall be corrosion protected.
All models shall be fully tested to BS848:Part 1, 1980 for air flow and BS848:Part 2, 1985 for noise, in fully certified laboratories.
| Speed [rps] | Avg. dBA @ 3m | kWatts (Input) | Amps | Max.°C | Approx. Weight [kg] |
|---|
| 45 | 58 | 0.19 | 1.18 | 60 | 8 |
| Type | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
|---|
| Inlet | 85 | 80 | 78 | 77 | 70 | 69 | 68 | 60 |
Dimensions
| H | J | K | L | M | N | P |
|---|
| 600 | 260 | 650 | 310 | 770 | 430 | 50 |
*All dimensions in mm, unless otherwise stated
Wiring Diagram
Diagram shown is for single-speed only.
For 2-speed and special motors, contact Fantech for details.
Ancillaries
VA2.0
Electronic Speed Controller
