170 / 416
q
V
- Volume Flow, m /s
3
0.1
0.2
0.4 0.6
4.0
2.0
1.0
0.06
2 & 4 Pole
42 & 23 r/s
314D
354D
404D
454D
504D
564D
252D
284D
254D
192D
224D
634D
System
Lines
p
S
F - Fan Static Pressure, Pa
0.04
30
40
60
100
200
1500
1000
600
400
39 42
45
48
-1
47
-1
-2
-2
-1
-1
58
+1
+2
+2
+1 0
-1
51
54
57
61
65
70
dB(A) @ 3m: Inlet Side =
q
V
- Volume Flow, m /s
3
0.2
0.4 0.6
4.0
2.0
1.0
System
Lines
316D
356D
406D
456D
506D
566D
636D
716D
6 Pole
15 r/s
p
S
F - Fan Static Pressure, Pa
0.1
30
200
500
400
100
60
40
42
-2
0
0
+1
0
0
+2
+2
43
44
46
50
54
58
61
dB(A) @ 3m: Inlet Side =
q
V
- Volume Flow, m /s
3
0.4
3.0
2.0
1.0
0.6
8 & 10 Pole
11 & 9 r/s
System
Lines
408D
458D
508D
568D
711D
638D
718D
p
S
F - Fan Static Pressure, Pa
0.2
30
100
300
200
60
40
-1
-2
40
43
45
47
50
53
46
-5
-2
-3
-4
-5
dB(A) @ 3m: Inlet Side =
GAMMA SERIES
ROOF MOUNTED FANS
D
D-24
© FANTECH
2016
Downflow Exhaust Series
The Gamma Series of centrifugal roof
ventilators shall be the downflow exhaust
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 downflow exhaust
design and formed from plastic and/or
fibreglass. Steel components are corrosion
protected.
All models shall be fully tested as a
complete assembled unit to ISO5801:2007
for air flow and BS848:Part 2, 1985
for noise.
CBD - Backdraft shutter
Ref.
J-2
VZ- Run-on timer
Ref.
M-14
Speed controllers
Ref.
M-1
SD - Star/Delta switch
Ref.
M-7
ANCILLARY EQUIPMENT
SUGGESTED
SPECIFICATION
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