22
Single CAC Outdoor Unit
Compact Inverter
10. Sound Levels
10.1 Sound Pressure Levels
Overall
Note
1.Data is valid at free field condition.
2.Reference accoustic pressure 0dB = 20μPa.
3.Data is valid at nominal operation condition.
Refer to the Model Specifications for nominal
conditions(Power source and Ambient temperature, etc)
4.Sound levels can be increased in accordance with
installation and operating conditions. (Operating conditions
include some functional condition like Static pressure
mode, air guide use, Room target temperature setting, etc
and these functions are different in accordance with each
model.)
5.Sound level will vary depending on a range of factors such
as the construction(acoustic absorption coefficient) of
particular room in which the equipment in installed.
Model
Sound Pressure Levels [dB(A)]
Cooling Heating
AUUW18GC0 [UU18WC UL0] 47 49
AUUW24GC0 [UU24WC UE0] 48 50
AUUW30GC0 [UU30WC UE0] 51 52
AUUW36GC0 [UU36WC U40] 54 56
AUUW18GC0 [UU18WC UL0] AUUW24GC0 [UU24WC UE0] AUUW30GC0 [UU30WC UE0]
1m
1.5m
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
▲ Cooling
Heating
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
▲ Cooling
Heating
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
▲ Cooling
Heating
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