Airwell EDS25 Service Manual page 34

Model: GC34RC(R22)
Type: AUDIT
Outdoor Octave Band Sound Pressure Level, dB
Outdooor
RPM 840
Octave
Cooling Heating
Band
63 68 68
125 68 69
250 60 59
500 58 57
1000 55 53
2000 51 49
4000 46 43
8000 39 36
Outdoor Sound Pressure
Outdoor Sound Power
(cooling)
Outdoor Sound Pressure
Outdoor Sound Power
(heating),
Noise spectrum & NC Curves
90
80
70
60
50
40
30
20
10
0
63 125 250
Octave Band Center Frequencies [Hz]
Outdoor Unit Noise Data Report - Fix RPM
Background Noise,dB(A):
60.2
, dB(A)
(cooling)
, dB(A) 72.35
, dB(A) 61.6
(heating)
dB(A) 73.83
Cooling
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
500 1000 2000 4000 8000
Noise Data Report
Cooling/Heating
Outdoor
23.9
Drawing of microphon position
Noise spectrum & NC Curves
90
80
70
60
50
40
30
20
10
0
63 125
Octave Band Center Frequencies [Hz]
SEND TO
Outdoor
Unit
1m
Mic.
Ground
Heating
250 500 1000 2000 4000 8000
2009-2-13
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15