McQuay MCC-CW, Technical Manual, Page: 19 / 146

MFCU_(ii) Sound Data
16
Sound Data
Sound Pressure Level
Wall Mounted Split Type
1/1 Octave Sound Pressure Level (dB, reference 20µPa)
MWM015G2W
MWM020G2W
MWM025G2W
MWM301W
MWM007G2W
MWM010G2W
Microphone position : ACK20/25AW/AWH -- 1.4m below the facia. (JIS C 9612)
ACK30/40/50AW/AWH -- 1.5 m below the facia. (JIS B 8615)
Overall
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
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
High 48 46 43 39 33 27 19 45 38
Medium 45 43 40 35 29 21 15 42 35
Low 43 42 38 32 27 19 14 40 33
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
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
High 54 52 51 48 43 42 34 53 47
Medium 52 50 50 46 41 40 32 52 46
Low 51 49 49 45 39 39 31 50 45
MCK025AW/AWH
MCK030AW/AWH
MCK040AW/AWH
MCK050AW/AWH
Model
MCK020AW/AWH
Ceiling Cassette Split Type
Speed
Noise
1/1 Octave Sound Pressure Level (dB, reference 20µPa)
Overall
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
Model
Speed
Noise
High 33 33 36 34 28 19 7 38 33
Medium 31 29 32 29 23 13 5 33 28
Low 26 25 27 23 17 8 5 28 21
High 28 34 37 36 31 22 13 39 35
Medium 27 30 33 31 25 17 12 34 30
Low 24 26 28 25 19 12 11 28 23
High 30 35 39 38 33 25 15 42 37
Medium 28 31 34 33 26 18 13 36 32
Low 24 26 28 26 20 13 12 29 24
High 41 48 47 43 40 32 23 49 43
Medium 39 44 43 39 35 28 20 44 38
Low 37 41 40 36 32 25 19 42 35
High 40 48 48 45 44 35 27 50 45
Medium 38 46 47 42 42 33 25 48 43
Low 36 42 44 39 38 29 23 45 39
High 42 46 45 44 41 35 28 49 43
Medium 40 45 44 43 38 33 27 47 42
Low 37 43 43 40 35 30 26 45 39
Overall Noise
125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz (dBA) Criteria
High 44 45 40 36 26 19 10 42 35
Medium 40 38 34 28 19 9 7 35 29
Low 37 32 27 20 14 6 7 29 21
High 48 48 44 38 31 27 15 45 39
Medium 42 42 36 30 22 13 7 38 31
Low 39 36 28 20 15 6 6 30 23
High 52 50 46 41 34 31 19 48 41
Medium 43 43 38 33 26 18 8 40 33
Low 41 39 35 28 22 10 7 36 30
MCK020CW
Model
Speed
1/1 Octave Sound Pressure Level (dB, reference 20µPa)
MCK010CW
MCK015CW
Microphone position : AWM-G2W -- 1 m in front of the unit and 0.8 m below the vertical centre line of the unit. (JIS C 9612)
AWM301W -- 1 m in front and 1 m below the air discharge opening of the unit (JIS B 8615)
Microphone position : 1.4m below the facia. (JIS C 9612)