M-Series MSZ-GE Engineering Manual

Table Of Contents
MSZ-GE-NA-46
M-Series - MSZ/MUZ-GE-NA Heat Pump Systems (August 2014)
Due to continuing improvement, above specication may be subject to change without notice.
© 2014 Mitsubishi Electric US, Inc.
3-12. SOUND PRESSURE LEVELS
Noise Criterion Curves
MUZ-GE15NA
UNIT
NOTCH SPL(dB
(A)
) LINE
1m
COOL 49
●  ●
MICROPHONE
HEAT 51  □
Test conditions are based on JIS Z8731
Ambient temperature Cooling DB35 WB:24
Heating DB 7 WB: 6
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES,Hz
OCTAVE BAND SOUND PRESSURE LEVEL,dB re 0.002 MICRO BAR
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
MUZ-GE15NA-1