Continuous; Noise - Mitsubishi Electric PU-P3VGAAPUH-P3YGAA PU-P3YGAAPUH-P4VGAA PU-P4VGAAPUH-P4YGAA PU-P4YGAAPUH-P5YGAA PU-P5YGAAPUH-P6YGAA PU-P6YGAA Technical & Service Manual

3. NOISE CRITERION CURVES
MICROPHONE
1m
PUH-P1VGAA .UK
(1)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR

CONTINUOUS

NOISE

10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUH-P2VGAA .UK
(1)
PUH-P2YGAA .UK
(1)
PU-P2VGAA .UK
(1)
PU-P2YGAA .UK
(1)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
1m
SPL(dB) LINE
MODE
COOLING 46
HEATING 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB) LINE
MODE
COOLING 48
HEATING 49
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
UNIT
GROUND
PUH-P1.6VGAA
PUH-P1.6YGAA
PU-P1.6VGAA
(1)
PU-P1.6YGAA
(1)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
PUH-P2.5VGAA
PUH-P2.5YGAA
PU-P2.5VGAA
(1)
PU-P2.5YGAA
(1)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
16
.UK
SPL(dB)
(1) MODE
.UK
COOLING 47
(1)
HEATING 49
.UK
.UK
250 500 1000 2000 4000 8000
.UK
(1) SPL(dB)
MODE
.UK
COOLING 48
(1)
HEATING
.UK 50
.UK
250 500 1000 2000 4000 8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20