Mitsubishi Electric MCFH-A12WV, Руководство по обслуживанию

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5
NOISE CRITERIA CURVES
4
MCFH-A24WV -
E1
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 : DB 27
: WB 19 :\
Heating : DB 20 : WB 15 :
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
48
SPL(dB
(A)
) LINE
MCFH-A12WV -
E1
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 : DB 27
: WB 19 :\
Heating : DB 20 : WB 15 :
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
46
SPL(dB
(A)
) LINE
MCFH-A18WV -
E1
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 : DB 27
: WB 19 :\
Heating : DB 20 : WB 15 :
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
48
SPL(dB
(A)
) LINE
INDOOR UNIT
WALL
1m
1m
MICROPHONE
OB336--1.qxp 04.1.6 11:13 AM Page 5