10
20
30
40
50
60
70
80
90
500
1000
2000 8000
250
125
63
4000
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-20
NC-30
NC-40
NC-50
NC-60
NC-70
4000
63
125
250
80002000
1000
500
90
80
70
60
50
40
30
20
10
NC-20
NC-30
NC-40
NC-50
NC-60
NC-70
4000
63
125
250
80002000
1000
500
90
80
70
60
50
40
30
20
10
MODEL
SOUND LEVEL
CONDITION
SPW-GU055XH
50dB(A)
Under the unit 1.5 m
MODEL
SOUND LEVEL
CONDITION
SPW-GU105XH
52dB(A)
Under the unit 1.5 m
MODEL
SOUND LEVEL
CONDITION
SPW-GU075XH
51dB(A)
Under the unit 1.5 m
Sound Pressure Level (dB) (0dB=0.0002 bar)Sound Pressure Level (dB) (0dB=0.0002 bar)
Sound Pressure Level (dB) (0dB=0.0002 bar)
APPROXIMATE
THRESHOLD OF
HEATING FOR
CONDITIONS NOISE
Overall
Overall
Overall
Frequency at center of sound pressure band (Hz) Frequency at center of sound pressure band (Hz)
Frequency at center of sound pressure band (Hz)
APPROXIMATE
THRESHOLD OF
HEATING FOR
CONDITIONS NOISE
APPROXIMATE
THRESHOLD OF
HEATING FOR
CONDITIONS NOISE
4-365
1
2
3
4
5
6
7
8
3-WAY ECO-i SYSTEM Unit Specifi cations
12. Total Heat Exchanger with DX coil (GU Type)
12-4. Noise Criterion Curves
TD831143-00W-3WAY.indb365TD831143-00W-3WAY.indb365 2008/12/0117:25:212008/12/0117:25:21