Noise Criteria Curves - Toshiba MXZ-2DM40VA Service Manual

NOISE CRITERIA CURVES

4
MXZ-2DM40VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
OBH739A
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 48
High Heating 52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
OUTDOOR UNIT
1m
MXZ-3DM50VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
Test conditions
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
6
FAN SPEED FUNCTION SPL(dB
High Cooling
High Heating
125 250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
) LINE
(A)
50
53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000