Mitsubishi Electric MXZ-A18WV, Руководство по обслуживанию, Страница: 23 / 85

23
NOISE CRITERIA CURVES
6
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions.
Cooling :DB 35 : WB 24 :
Heating :DB 7 : WB 6 :
Cooling High
FUNCTION FAN SPEED
Heating High
49
SPL(dB
(A)
)
50
LINE
MXZ-A18WV -
E1
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions.
Cooling :DB 35
:
WB 24
:
Heating :DB 7 : WB 6 :
Cooling High
FUNCTION FAN SPEED
Heating High
46
SPL(dB
(A)
)
48
LINE
MXZ-A26WV -
E1
MXZ-A32WV -
E1
OB319--1.qxp 03.12.3 0:55 PM Page 23