McQuay MCC-CW, Technical Manual, Page: 20 / 146

Sound Data MFCU_(ii)
17
Model
1/1 Octave Sound Pressure Level (dB, ref 20μPa)
1/1 Octave Sound Pressure Level (dB, ref 20μPa)
1/1 Octave Sound Pressure Level (dB, ref 20μPa)
High 26 34 38 42 38 35 23 45 41
Medium 23 29 36 39 34 31 18 42 38
Low 19 26 33 34 31 23 12 37 33
High 27 35 39 43 39 36 24 46 42
Medium 24 30 37 40 35 32 19 43 39
Low 20 27 34 35 32 24 13 38 34
High 28 36 40 44 40 37 25 47 43
Medium 25 31 38 41 36 33 20 44 40
Low 21 28 35 36 33 25 13 39 35
Model
Speed
Overall
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
Noise
Overall Noise
Speed
MCM007CBW
MCM010CBW
MCM015CBW
Microphone position: 1m in front and 0.8m below the vertical centre line of the unit.
High 45 46 47 46 41 38 29 50 45
Medium 42 43 45 42 38 34 24 47 41
Low 36 37 39 35 31 24 15 40 34
High 48 51 51 50 45 41 33 54 49
Medium 47 50 50 49 44 40 32 53 48
Low 45 47 48 47 41 36 27 50 46
High 45 48 48 47 43 33 24 51 46
Medium 44 47 47 46 42 32 23 50 45
Low 43 45 45 44 39 29 20 48 43
High 51 53 51 50 47 37 30 54 49
Medium 48 51 50 49 46 36 28 53 48
Low 46 50 49 48 44 35 27 52 47
High 51 53 51 50 47 37 30 54 49
Medium 48 51 50 49 46 36 28 53 48
Low 46 50 49 48 44 35 27 52 47
Microphone position : MCM 020/025DW -- 1 m in front of the unit and 0.8 m below the air discharge opening. (JIS C 9612)
MCM 030/040/050DW -- 1 m in front of the unit and 1 m below the air discharge opening. (JIS B 8615)
MCM040DW
MCM050DW
MCM020DW
MCM025DW
MCM030DW
Ceiling Exposed Split Type
Overall Noise
125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz (dBA) Criteria
High 42 46 49 44 43 36 31 50 45.0
Medium 36 40 43 37 36 27 20 43 38.0
Low 34 38 41 34 33 23 15 41 36.0
High 45 47 51 48 47 40 34 53 48.0
Medium 43 46 49 46 44 37 31 51 45.0
Low 42 46 47 44 42 35 27 49 43.0
High 47 50 53 50 50 43 39 56 51.0
Medium 44 46 49 46 45 38 33 51 46.0
Low 38 40 43 38 37 28 22 44 38.0
MCM025EW
Model
Speed
MCM015EW
MCM020EW
Microphone position: MCM 015/020/025EW -- 1 m in front of the unit and 1 m below the air discharge opening. (JIS B 8615)