TEV Marstair CX 30 - AIR FLOWS; SOUND POWER AND SOUND PRESSURE LEVELS

5/19
55908014-17
CXE 70 + CKC 60
4.3
0.70
3.0
3.3
3.0
AIR FLOWS
MODEL
m³/s
MODEL
m³/s
CX(E) 30
0.61
CKC 20
0.97
CX(E) 40
0.61
CKC 30
0.97
CX(E) 50
0.66
CKC 50
0.97
CX(E) 70
0.58
CKC 80
0.97
INDOOR UNIT
MAXIMUM
SPEED
SOUND POWER LEVELS
SOUND PRESSURE
LEVELS
SPEED
Frequency Hz
125
250
500
1K
2K
4K
dB(A)
NC
CX(E) 30
69.1
67.7
67.6
65.6
62.2
56.0
55
48
CX(E) 40
69.1
67.7
67.6
65.6
62.2
56.0
55
48
CX(E) 50
71.7
69.2
69.1
67.1
63.2
58.5
56
50
CX(E) 70
70.1
68.2
68.6
66.1
63.2
57.5
56
49
Sound Power Levels were obtained in full accordance with the direct method of BS EN ISO3174:2000. Levels are shown in dB
with a standard reference of 1 pW.
Sound Pressure Levels in dB(A) refer to semi-hemispherical radiation (wall or ceiling mounted) at a distance of 1.5m from the
front of the unit, with the fan operating at full speed.
OUTDOOR UNIT
MAXIMUM
SPEED
SOUND POWER LEVELS
SOUND PRESSURE
LEVELS
SPEED
Frequency Hz
125
250
500
1K
2K
4K
dB(A)
NC
CKC 20
77
67
69
65
60
54
49
44
CKC 30
77
68
69
65
60
54
50
44
CKC 50
74
68
67
66
61
54
49
44
CKC 60
73
68
68
66
62
54
50
45
CKC 80
71
69
68
65
60
54
49
43
Sound Power Levels were obtained in full accordance with the direct method of ISO 3741: 1988. Levels are shown in dB with a
standard reference of 1 pW.
Sound Pressure Levels (SPL) at 3m distance in free field conditions. (Reference 2x10 ⁻⁵ N/m²)
SOUND POWER AND SOUND PRESSURE LEVELS