Specifications

-26-
APPROXIMATION FOR SOUND POWER LEVEL AT SUPPLY DUCT FLANGE OF UNIT
Model
Air
volume
<CMM>
O / A 125Hz 250Hz
External
static
pressure
<Pa>
PRHG-8MYA
PRHG-10MYA
PRHG-15MYA
PRHG-20MYA
80
100
160
190
100
100
200
200
74.3
76.9
79.8
83.0
77.2
79.5
82.3
85.0
74.5
76.9
79.8
82.6
500Hz
71.4
73.8
76.7
79.7
1000Hz
69.5
72.2
75.1
78.3
2000Hz
65.2
68.0
71.1
74.5
4000Hz
60.6
63.7
66.9
70.7
Side flow type dB(A)
Model
Air
volume
<CMM>
O / A 125Hz 250Hz
External
static
pressure
<Pa>
PRHG-8MYA
PRHG-10MYA
PRHG-15MYA
PRHG-20MYA
80
100
160
190
100
100
200
200
74.4
77.1
80.2
83.3
77.3
79.7
82.6
85.3
74.7
77.1
80.1
82.9
500Hz
71.5
74.1
77.0
80.0
1000Hz
69.7
72.4
75.5
78.7
2000Hz
65.4
68.3
71.4
74.9
4000Hz
60.8
64.0
67.3
71.2
Down flow type dB(A)
Note: This is very rough calculation, Noise level will be changed by operation condition or something.