Mitsubishi Electric M Series Manual page 540

MULTI SYSTEM Inverter Heat Pump
C.4.6 NOISE CRITERIA CURVES
C.4.6.1 Inverter Heat Pump
MXZ-2B30VA
FAN SPEED
High
Test conditions High
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
90
80
70
60
50
40
30
20
NC-10
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MXZ-2B52VA
FAN SPEED
High
Test conditions High
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
90
80
70
60
50
40
30
20
NC-10
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
C-538
FUNCTION SPL(dB ) LINE
(A)
Cooling 46
Heating 47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FUNCTION SPL(dB ) LINE
(A)
Cooling 49
Heating 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
MXZ-2B40VA
FAN SPEED
High
High
Test conditions
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
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-3B54VA
FAN SPEED
High
High
Test conditions
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
M series
FUNCTION SPL(dB ) LINE
(A)
Cooling 47
Heating 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FUNCTION SPL(dB ) LINE
(A)
47
Cooling
51
Heating
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000