6
4
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
COOLING
FUNCTION
SPL(dB(A))
LINE
HEATING
46
NC-10
MUZ-FD25VA
MUZ-FD25VAH
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
COOLING
FUNCTION
SPL(dB(A))
LINE
HEATING
47
50
Test conditions
Cooling : Dry-bulb temperature 35
:
Heating : Dry-bulb temperature 7
:
Wet-bulb temperature 6
:
OUTDOOR UNIT
MICROPHONE
1 m
NC-10
MUZ-FD35VA
MUZ-FD35VAH
OBH489--1.qxp 07.8.9 11:53 AM Page 6
Summary of Contents for MUZ-FD25VA
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