McQuay MCK025A Specifications Page 28

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Sound DaSound Da
Sound DaSound Da
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Sound Pressure Level
Wall Mounted Split Type
Microphone position : MWM-FW -- 1 m in front of the unit and 0.8 m below the vertical centre line of the unit. (JIS C 9612)
MWM301W -- 1 m in front and 1 m below the air discharge opening of the unit (JIS B 8615)
Ceiling Exposed Split Type
Overall Noise
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
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
Speed
1/1 Octave Sound pressure level (dB, ref 20PPa)
MCM020DW
MCM025DW
Model
MCM030DW
MCM040DW
MCM050DW
Microphone position : MCM 20/25DW -- 1 m in front of the unit and 0.8 m below the air discharge opening. (JIS C 9612)
MCM 30/40/50DW -- 1 m in front of the unit and 1 m below the air discharge opening. (JIS B 8615)
Overall Noise
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz A (dBA) Criteria
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
1/1 Octave Sound pressure level (dB, ref 20PPa)
MCM007CBW
MCM010CBW
MCM015CBW
Microphone position : 1m in front and 0.8m below the vertical centre line of the unit.
125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz 8k Hz
HIGH 32 34 38 37 32 23 15 40 36
MEDIUM 27 30 34 32 26 17 14 35 31
LOW 24 27 29 26 20 13 13 29 24
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 37 44 42 37 34 25 15 43 37
MEDIUM 34 40 39 34 30 21 14 40 34
LOW 30 35 35 30 26 18 13 35 30
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 42 46 45 44 41 35 28 49 43
MEDIUM 40 45 44 43 35 33 27 47 42
LOW 37 43 43 40 35 30 26 45 39
Overall
(dBA)
Noise
Criteria
Speed
1/1 Octave Sound Pressure Level (dB, ref 20
P
Pa)
MWM301W
MWM020GW
MWM025GW
Model
MWM007GW
MWM010GW
MWM015GW
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