Acson international AWSS30A, Technical Manual

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35
Ceiling Casette Fan Coil Unit (R22)
Sound Pressure Level
ACK-A Series
Overall Noise
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz A (dBA) Criteria
ACK 20A
High 46 45 40 38 32 21 14 42 37
Medium 44 43 37 33 28 18 12 39 32
Low 43 42 35 31 26 17 11 37 31
ACK 30A
High 50 48 47 43 37 35 28 49 42
Medium 48 45 43 38 32 31 27 45 38
Low 46 43 41 35 30 30 26 43 36
ACK 40A
High 50 49 49 46 39 38 31 51 45
Medium 48 47 47 43 36 34 25 48 42
Low 46 45 46 41 34 30 23 46 41
ACK 50A
High 54 52 51 48 43 42 34 53 47
Medium 52 50 50 46 41 40 32 52 45
Low 51 49 49 45 39 39 31 50 45
Measuring Location Model
ACK 50A
ACK 30A
ACK 40A
1/1 Octave A-weighted Sound Pressure (dBA), ref 20µPa
Model Speed
ACK 25A
High 48
45
43
46
43
42
43
40
38
39
35
32
33
29
27
27
21
19
19
15
14
45
42
40
38
35
33
Medium
Low
Microphone
1.5m
Standard : JIS C 8615