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Noise Criteria Curves - Mitsubishi Electric MSZ-GA50VA Service Manual

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

NOISE CRITERIA CURVES

MSZ-GA50VA -
E1
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
Model
MSZ-GA50VA -
(F11)
(NR11)
(TB)
FAN SPEED
SPL(dB(A))
LINE
High
48
500
1000
2000
4000
8000
MSZ-GA60VA -
E1
T3.15AL 250V
MP20/MP20
ERZV14D471
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
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63
6
MSZ-GA71VA -
E1
4P
E1
E1
FAN SPEED
SPL(dB(A))
High
125
250
500
1000
2000
BAND CENTER FREQUENCIES, Hz
INDOORUNIT
1m
0.8m
MICROPHONE
E1
LINE
54
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000
8000
WALL

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