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SUGGESTED
SPECIFICATION
Downflow Exhaust Series
The roof ventilators shall be of the
Gamma EC Series downflow exhaust
type as designed and manufactured
by Fantech Pty Ltd and be of the
model numbers shown on the
schedule/drawings.
Impellers shall be made from high
performance composite material.
They shall be backward-curved
centrifugal design and driven by EC
external rotor motors with integrated EC
Controller and integral thermal overload
protection. Diameter sizes from 315mm
and above shall be pre-configured to
suit the selected sensors and the
required applications.
The cowls shall be of the downflow
exhaust design and manufactured from
UV-stabilised plastic. Steel components
shall be corrosion protected.
All models shall be fully tested as
a complete assembled unit to
ISO5801:2007 for air flow and
ISO 3744:2010 for noise.
Model
CDEC…D
CEEC…D
Percentage
of
full speed
(%)
*Max.
Fan
Speed
r/s
Air flow
@ 0Pa
m
3
/s
Avg.
dB(A)
@ 3m kW Amps kW Amps
25
100
55
0.44 60
0.21 1.50 -
-
80
44
0.39 59
0.15 1.20 -
-
60
33
0.29 53
0.07 0.50 -
-
40
22
0.20 43
0.03 0.22 -
-
20
11
0.11 26
0.01 0.10 -
-
31
100
34
0.80 61
0.30 1.90 -
-
80
27
0.63 56
0.16 0.98 -
-
60
20
0.48 49
0.07 0.49 -
-
40
13
0.32 39
0.03 0.23 -
-
20
7
0.16 22
0.01 0.12 -
-
35
100
27
0.82 56
0.28 1.70 -
-
80
21
0.66 51
0.14 0.92 -
-
60
16
0.48 44
0.06 0.45 -
-
40
11
0.32 35
0.03 0.21 -
-
20
5
0.16 19
0.01 0.13 -
-
45
100
24
1.48 60
0.60 2.90 -
-
80
19
1.18 54
0.31 2.00 -
-
60
14
0.89 47
0.14 0.89 -
-
40
10
0.60 38
0.05 0.55 -
-
20
5
0.30 21
0.02 0.34 -
-
56
100
21
2.77 62
-
-
1.11 2.40
80
16
2.18 56
-
-
0.58 1.30
60
12
1.63 49
-
-
0.25 0.72
40
8
1.09 39
-
-
0.09 0.38
20
4
0.53 23
-
-
0.02 0.20
63
100
21
3.72 68
-
-
1.85 4.00
80
16
2.93 62
-
-
0.96 2.00
60
12
2.21 54
-
-
0.47 1.00
40
8
1.48 44
-
-
0.14 0.52
20
4
0.73 27
-
-
0.04 0.25
CEEC.. 1ph. CDEC.. 3ph
GAMMA EC SERIES
ROOF MOUNTED FANS
D
© FANTECH
2016
D-28
Scan the QR Code
to view wiring
diagrams or more
information online.
TECHNICAL DATA
* The fan will maintain the set speed whether run on 50 or 60Hz supply.