10
5
NOISE CRITERIA CURVES
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 27
Wet-bulb temperature 19
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
44
44
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
Heating : Dry-bulb temperature 20
Wet-bulb temperature 15
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 27
Wet-bulb temperature 19
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
37
37
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
Heating : Dry-bulb temperature 20
Wet-bulb temperature 15
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 27
Wet-bulb temperature 19
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
38
38
SPL(dB(A))
LINE
High
FAN SPEED
HEATING
Heating : Dry-bulb temperature 20
Wet-bulb temperature 15
PFFY-P20VKM-E PFFY-P20VKM-ER1
INDOOR UNIT
WALL
1m
1m
MICROPHONE
PFFY-P25VKM-E PFFY-P25VKM-ER1
PFFY-P32VKM-E PFFY-P32VKM-ER1
PFFY-P40VKM-E PFFY-P40VKM-ER1
Summary of Contents for PFFY Series
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