Manualshelf

Engineering Manual

ManualsBrandsMitsubishi ManualsDuctless Mini Splits24,000 BTU 20.5 SEER Wall Mounted Mini-Split GL Single Zone Heat Pump - MZ-GL24NA
511512513514515516517518519520
B-176
7
NOISE CRITERION CURVES
7-1. INDOOR UNIT
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
47
48
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
38
37
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
40
40
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
INDOOR UNIT
CEILING
GRILLE
MICROPHONE
4.59ft. (1.4m)
MLZ-KP09NA
MLZ-KP12NA
MLZ-KP18NA