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Twin Gamma Series - Centrifugal Fans

Twin Gamma Series - Centrifugal Fans

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.

Special Features
Can be mounted at angles up to 30°.
Twin fan units to give 100% stand-by capacity can be provided for vertical discharge arrangement in a limited range of sizes. Refer to our sales department for details.
Backdraft dampers are an optional extra with single fan units and standard supply with twin fan units. The pressure loss must be added to the system pressure when making selections.
Supply air units can be supplied; see pages D-30/33 for selection data.

Single Phase Models

Product CodeDiameter
[mm]
Speed
[rps]
kWAmpsAvg.
dB(A)
@ 3m
Max.Pressure
[Pa] -Recom
Max.Volume
[m3/sec]

TCE252

25045  0.19 1.18 58 369 0.27

TCE254

25023  0.072 0.33 42 136 0.25

TCE314

31021  0.14 0.62 48 218 0.40

TCE354

35023  0.27 1.3 51 326 0.64

TCE404

40021  0.43 2.4 54 418 0.96

TCE454

45020  0.73 3.3 57 534 1.36

TCE504

50023  1.42 6.3 61 617 1.84

TCE316

31015  0.08 0.6 42 91 0.24

TCE356

35015  0.07 0.32 43 135 0.42

TCE406

40015  0.17 0.8 44 179 0.60

TCE456

45015  0.3 1.45 46 231 0.93

TCE506

50015  0.53 2.5 50 271 1.24

TCE566

56015  0.84 4.1 54 315 1.69

TCE508

50011  0.21 1.11 45 169 0.93

TCE568

56011  0.32 1.5 47 186 1.19

Three Phase Models

Product CodeDiameter
[mm]
Speed
[rps]
kWAmpsAvg.
dB(A)
@ 3m
Max.Pressure
[Pa] -Recom
Max.Volume
[m3/sec]

TCD314

31022  0.14 0.29 48 218 0.40

TCD354

35023  0.19 0.51 51 326 0.64

TCD404

40023  0.45 1.4 54 418 0.96

TCD454

45023  0.77 1.47 57 534 1.36

TCD504

50023  1.39 2.7 61 617 1.84

TCD564

56022  2.24 4.2 65 710 2.63

TCD316

31018  0.1 0.16 42 91 0.24

TCD356

35015  0.13 0.22 43 135 0.42

TCD406

40015  0.17 0.37 44 179 0.60

TCD456

45015  0.44 1.2 46 231 0.93

TCD506

50015  0.65 1.2 50 271 1.24

TCD566

56015  0.69 1.45 54 315 1.69

TCD408

40011  0.11 0.2 40 83 0.44

TCD458

45011  0.15 0.5 43 155 0.75

TCD508

50011  0.3 0.5 45 169 0.93

TCD568

56011  0.39 0.79 47 186 1.19
Elta Group