Mlz-Kp50Vf 5. Noise Criteria Curves - Mitsubishi Electric MLZ-KP25VF Service Manual

5
NOISE CRITERIA CURVES
MLZ-KP25VF
FAN SPEED
High
Test conditions,
Cooling: Dry-bulb temperature 27ºC Wet-bulb temperature 19ºC
Heating: Dry-bulb temperature 20ºC
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MLZ-KP50VF
FAN SPEED
High
Test conditions,
Cooling: Dry-bulb temperature 27ºC Wet-bulb temperature 19ºC
Heating: Dry-bulb temperature 20ºC
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OBH801
FUNCTION SPL(dB(A)) LINE
COOLING 38
HEATING 37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
COOLING 47
HEATING 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MLZ-KP35VF
FAN SPEED
High
Test conditions,
Cooling: Dry-bulb temperature 27ºC Wet-bulb temperature 19ºC
Heating: Dry-bulb temperature 20ºC
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
INDOOR UNIT
1.4m
MICROPHONE
9
FUNCTION SPL(dB(A)) LINE
40
COOLING
HEATING
40
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
CEILING
GRILLE