Noise Criteria Curves - Mitsubishi Electric MXZ-2HA40VF Service Manual

NOISE CRITERIA CURVES

5
MXZ-2HA40VF
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MXZ-3HA50VF
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
MICROPHONE
OBH828A
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 44
High Heating 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
46
High Cooling
High Heating 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
Test conditions
1m
MXZ-2HA50VF
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
Cooling :Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°C
Heating :Dry-bulb temperature
17
FAN SPEED FUNCTION SPL(dB )
(A)
High Cooling 47
High Heating 51
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
7.0°C Wet-bulb temperature 6.0°C
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000