cellarking CX - Sound Power and Sound Pressure Levels; Indoor Unit Sound Levels; Outdoor Unit Sound Levels

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SOUND POWER AND SOUND PRESSURE LEVELS
INDOOR UNIT
MAXIMUM SOUND POWER LEVELS
SPEED Frequency Hz
SOUND PRESSURE
LEVELS
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 SOUND POWER LEVELS
SPEED Frequency Hz
SOUND PRESSURE
LEVELS
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 80
71 69 68 65 60 54 49 43
MAXIMUM SOUND POWER LEVELS
SPEED Frequency Hz
SOUND PRESSURE
LEVELS
125 250 500 1K 2K 4K dB
(
A
)
NC
CKR 30
65.1 67.7 61.6 58.1 53.7 49 47 42
CKR 50
65.1 64.7 63.6 59.1 53.7 48 47 42
CKR 80
63.6 63.2 62.6 61.1 56.2 50 49 44
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 in dB(A) refer to semi-hemispherical radiation (wall or floor mounted) at a distance of 3m from the
front of the unit, with the fan operating at full speed; (add 3dBA or 3NC for units at an intersection of a wall, add 1dBA or 1NC
for high level wall mounted units).