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Figure 3 – Gasket positioning
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan
Unit
speed
1 = Roof profile (supplied by Trane and to be installed on the jobsite)
1
FWD 08
2 = Silicone - not supplied by Trane
2
3 = Roof - factory-installed. The roof protrudes 20 mm on each side of the unit
3
4 = Panel
1
5 = Factory-installed gasket to be covered by a layer of Silicone (not supplied by Trane) for outdoor installation
FWD 10
2
3
1
Figure 4 – Fixing of the unit
FWD 12
2
3
1
FWD 14
2
3
1
FWD 20
2
3
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan
Unit
speed
1
FWD 08
2
3
Remove the mounting vibrator blocks before starting the unit. They are just used to ensure safe transportation.
1
FWD 10
2
To minimize noise transmission, depending on the site location, additional insulation material such as cork slabbing,
3
Mafund slabbing or Sylomer strip insulation may be used as underlay. To obtain the maximum noise transmission
1
absorption, the selected materials must withstand the inherent load carrying characteristics. The list of application
FWD 12
2
3
requirements for these materials is provided by the products manufacturer. The load carrying capacities may be
1
indicated on the data sheets.
FWD 14
2
CAUTION! Failure to provide a level plinth or support will result in doors jamming and air leaks from the casing.
3
1
CAUTION! In the case that the unit is supplied with base frame, it shall be positioned on the supporting structure/
FWD 20
2
floor with a continuous and uniform contact between the base and the floor.
3
CAUTION! For outdoor installation to avoid water inside the unit, it is mandatory to cover the gasket positioned
between sections with a layer of silicone.
CAUTION! To avoid damage during transportation and handling, casing panels are supplied with a protective film
which needs to be removed on job site, as soon as the units are in place. Cut the protection film with a cutter around
the panels and remove it.
CAUTION! If the units have to be inspected by Consulting Engineers, contractors or any subsequent viewers at the
final stage of the installation, we strongly recommend protecting the units with plastic covers from the assembly up
to commissioning.
AH-SVX03C-GB
UNT-PRC002-GB
Power level in dB(A), per Hz frequency band
125
250
500
55
50
42
57
54
47
58
57
50
57
51
45
58
54
48
60
58
50
57
51
45
58
54
48
60
58
50
56
62
50
61
66
55
63
69
58
57
63
51
61
66
55
63
69
58
Power level in dB(A), per Hz frequency band
125
250
500
56
55
55
63
62
60
66
65
63
62
58
55
66
63
60
70
67
63
62
58
55
66
63
60
70
67
63
66
65
65
73
72
69
78
76
73
68
72
64
76
76
68
78
79
71
1000
2000
4000
37
37
31
40
30
38
42
32
40
42
34
33
45
38
39
48
40
42
42
34
33
45
38
39
48
40
42
48
39
38
53
47
46
56
50
50
49
40
39
53
47
46
56
50
50
1000
2000
4000
53
46
45
60
53
53
62
56
55
58
51
48
62
56
55
65
59
59
58
51
48
62
56
55
65
59
59
65
57
50
71
64
59
75
69
64
64
56
52
71
65
61
74
69
66
Installation
Overall power
8000
dB(A)
30
46
40
50
43
53
28
48
35
51
39
54
28
48
35
51
39
54
36
56
45
60
49
63
37
57
45
60
49
63
Overall power
8000
dB(A)
42
57
53
64
57
67
44
61
52
66
57
69
44
61
52
66
57
69
46
68
57
74
63
78
50
69
61
75
66
78
11
11
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