Noise Criteria Curves - Mitsubishi MSZ-GA50VA Service Manual

Specifications and rating conditions of main electric parts
Fuse
(MV1/ MV2)
Vane motor
Varistor
Terminal block
4

NOISE CRITERIA CURVES

MSZ-GA50VA
Test conditions
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15.5:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
(F11)
(NR11)
(TB)
FAN SPEED SPL(dB(A)) LINE
High
48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
T3.15AL 250V
MP20/MP20
ERZV14D471
4P
MSZ-GA60VA
MSZ-GA71VA
Test conditions
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15.5:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
0.8m
MICROPHONE
6
FAN SPEED SPL(dB(A))
High
54
250 500 1000 2000 4000
INDOORUNIT
1m
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
WALL