6. NOISE LEVEL
SOUND PRESSURE LEVEL (MEASURED IN ANECHOIC ROOM)
WALL MOUNTED FAN COIL UNIT
1/1 Octave A-weighted Sound Pressure (dBA), ref 20µPa
Model Speed
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A(dBA)
Noise
Criteria
High
35 34 36 35 31 24 13 38 33
Medium
27 28 30 28 22 16 12 32 27
AWM 07F/FR
Low
27 25 28 25 20 15 11 29 23
High
35 34 36 35 31 24 13 38 33
Medium
32 29 32 29 25 18 12 34 28
AWM 10F/FR
Low
28 26 29 26 21 16 12 30 24
High
35 34 36 35 31 24 13 38 33
Medium
33 31 33 30 25 17 12 35 29
AWM 15F/FR
Low
31 28 29 27 22 15 11 31 25
High
39 42 43 40 38 31 19 45 39
Medium
37 40 40 37 35 28 16 42 36
AWM 20F/FR
Low
34 37 37 34 31 23 14 39 33
High
41 46 44 42 39 33 22 47 41
Medium
38 43 42 40 37 29 17 44 39
AWM 25F/FR
Low
36 42 39 36 33 26 14 42 35
High
42 46 45 44 41 35 28 49 43
Medium
40 45 44 43 35 33 27 47 42
AWM 301
AWM 301R
Low
37 43 43 40 35 30 26 45 39
Microphone position - AWM-F/FR - 1m in front of the unit and 0.8m below the vertical centre line of the
unit. (JIS C 9612)
- AWM 301/301R - 1m in front and 1m below the air discharge opening of the unit.
(JIS B 8615)
Model Measuring location
AWM 07F/FR
AWM 10F/FR
AWM 15F/FR
AWM 20F/FR
AWM 25F/FR
Standard : JIS C 9612
AWM 301/301R
34
Standard : JIS B 8615