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© FANTECH
2016
D
ROOF MOUNTED FANS
q
V
- Volume Flow, m /s
3
p
S
F - Fan Static Pressure, Pa
0.4
3.0
2.0
1.0
0.6
0.2
30
100
300
200
60
40
8 & 10 Pole
11 & 9 r/s
System
Lines
408V
458V
508V
568V
711V
638V
718V
40
-1
-2
-2
-3
-4
-5
-5
43
45
47
50
46
53
dB(A) @ 3m: Inlet Side =
q
V
- Volume Flow, m /s
3
p
S
F - Fan Static Pressure, Pa
0.1
0.2
0.4 0.6
4.0
2.0
1.0
30
200
400
600
100
60
40
6 Pole
15 r/s
316V
356V
406V
456V
506V
566V
636V
System
Lines
716V
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
p
S
F - Fan Static Pressure, Pa
0.04
0.1
0.2
0.4 0.6
4.0
2.0
1.0
0.06
30
40
60
100
200
1500
1000
600
400
2 & 4 Pole
42 & 23 r/s
354V
404V
454V
504V
564V
634V
252V
254V
284V
224V
192V
314V
System
Lines
-1
47 39
58
-2
42
45
-1
-1
-2
-1
48
51
54
57
61
65
70
+1
+2
+2
+1
0
-1
dB(A) @ 3m: Inlet Side =
Vertical Exhaust Series
The Gamma Series of centrifugal roof
ventilators shall be of the vertical 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 windband shall be of the vertical
exhaust design and formed from 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 BS848:Part 2, 1985 for noise.
CBD - Backdraft shutter
Ref.
J-2
SD - Star/Delta switch
Ref.
M-7
Speed controllers
Ref.
M-1
VZ - Run-on timer
Ref.
M-14
ANCILLARY EQUIPMENT
SUGGESTED
SPECIFICATION
D-25
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GAMMA SERIES