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THERMA V
Split Type
9. Sound Levels
Note
1. Data is valid at diffuse field condition.
2. Reference acoustic intensity 0dB = 10E-6μW/m
3. Sound power level is measured on the rated condition in the reverberation rooms. 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.
Sound Power Level
Model
AHUW056A3 [HU051 U43]
AHUW076A3 [HU071 U43]
AHUW096A3 [HU091 U43]
AHUW126A3 [HU121 U33]
AHUW146A3 [HU141 U33]
AHUW166A3 [HU161 U33]
AHUW128A3 [HU123 U33]
AHUW148A3 [HU143 U33]
AHUW168A3 [HU163 U33]
AHUW168A2 [HU163 U32]
AHUW056A3 [HU051 U43]
AHUW076A3 [HU071 U43]
AHUW096A3 [HU091 U43]
100
90
80
70
60
50
40
30
20
125
250
500
Octave Band Center Frequency (Hz)
2
NR-90
NR-85
NR-80
NR-75
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
1000
2000
4000
8000
Sound Power Level (dB(A))
H
65
65
65
66
66
66
66
66
66
69
AHUW126A3 [HU121 U33], AHUW146A3 [HU141 U33]
AHUW166A3 [HU161 U33], AHUW128A3 [HU123 U33]
AHUW148A3 [HU143 U33], AHUW168A3 [HU163 U33]
100
90
80
70
60
50
40
30
20
125
250
Octave Band Center Frequency (Hz)
Outdoor unit
NR-90
NR-85
NR-80
NR-75
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
500
1000
2000
4000
8000
41
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