Outdoor Unit - Mitsubishi Electric PLA-A12EA7 Service Manual

11 NOISE CRITERION CURVES

11-2. OUTDOOR UNIT

PUZ-A12/18NKA7(-BS)
PUY-A12/18NKA7(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUZ-A36/42NKA7(-BS)
PUY-A36/42NKA7(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
Due to continuing improvement, above specification may be subject to change without notice.
© 2017 Mitsubishi Electric US, Inc.
SPL(dB)
MODE LINE
COOLING 46
HEATING 47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB)
MODE LINE
COOLING 52
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
PUZ-A24/30NHA7(-BS)
PUY-A24/30NHA7(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MICROPHONE
3.3ft
5ft
P-Series (March 2017)
SPL(dB)
MODE LINE
COOLING 47
HEATING 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
UNIT
GROUND
149