Mitsubishi Electric PUY-A12NHA, Руководство по обслуживанию

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10
6-3. NOISE CRITERION CURVES
5ft
3.3ft
MICROPHONE
UNIT
GROUND
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE B
AND SOUND PRESSURE LEVEL,
dB (0 dB = 0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
PUY-A12/18NHA
PUY-A12/18NHA
1
PUY-A12/18NHA
1
-BS
PUZ-A18NHA
PUZ-A18NHA-BS
COOLING
MODE
HEATING
46
SPL(dB)
47
LINE
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE B
AND SOUND PRESSURE LEVEL,
dB (0 dB = 0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
PUY-A24/30/36NHA
PUY-A24/30/36NHA
1
PUY-A24/30/36NHA
1
-BS
PUZ-A24/30/36NHA
PUZ-A24/30/36NHA-BS
COOLING
MODE
HEATING
48
SPL(dB)
50
LINE
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
PUY-A42NHA
PUY-A42NHA-BS
PUZ-A42NHA
PUZ-A42NHA-BS
COOLING
MODE
HEATING
51
SPL(dB)
55
LINE
OC367C--1.qxp 07.6.20 0:56 PM Page 10