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Sound Levels
5. Sound Levels
5.1
Overall Sound Level
Location of microphone
Power source
Ventilation mode
Airflow rate
VAM300GVJU
VAM470GVJU
Model
name
VAM600GVJU
VAM1200GVJU
5.2
Sound Power Level
Power source
Ventilation mode
Airflow rate
VAM300GVJU
VAM470GVJU
Model
name
VAM600GVJU
VAM1200GVJU
Notes:
1. These values are based on AHRI Standard 260 "Sound Rating of Ducted Air Moving and Condtioning Equipment."
2. Power level varies depending on operating and ambient conditions.
3. Ex-H: Extra-high, H: High, L: Low
8
Notes:
1. Operating sound is measured in an anechoic chamber.
2. The operating sound level becomes greater than this
3. Operating sound varies depending on operating and
4. Ex-H: Extra-high, H: High, L: Low
Single phase 208V, 60Hz Single phase 230V, 60Hz
ERV mode
Ex-H
H
L
Ex-H
34.5
31.5
21.5
37.0
40.0
37.0
33.0
42.0
40.1
37.0
33.1
42.5
43.0
39.0
35.0
44.5
dBA
Single phase 208V, 60Hz
ERV mode
Ex-H
H
L
54.0
50.9
42.8
58.6
56.0
52.9
57.7
54.9
52.0
62.2
58.8
51.4
value depending on the operating conditions, reflected
sound and peripheral noise.
ambient conditions.
dB(A)
H
L
33.5
25.5
38.5
35.0
39.0
36.0
41.5
38.5
EDUS711116
VAM-GVJU
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