DataSheet OPTIMA LV R201905

16 / 24 | Variable Air Volume Controllers
Diagram 7: Pressure drop and A-weighted total discharged sound power
level depending on air ow volume at different duct pressures
SIZE 180
600
550
500
450
400
350
300
250
200
18
30 60 120
550160 400
90
80 240 320
150
OPTIMA-LV-R (RI) -180
50
q
V
(m
3
/h)
q
V
(l/s)
p
s
(Pa)
150
45
50
40
35
30
100
480
55
60
L
WA
= 65 dB
70
q
V
p
s
L
WA
L
W
Non Weighted Sound Power Level
(m
3
/h) (Pa) (dB) 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz
18
50 26 45 45 24 23 27 14 11 13 19
100 30 45 44 26 26 29 19 17 19 26
150 32 45 44 27 27 30 22 21 23 30
300 38 45 44 29 29 31 26 27 29 37
600 45 48 43 31 31 33 31 33 35 44
275
50 47 62 61 56 47 47 39 32 23 21
100 53 64 61 59 53 53 46 40 32 30
150 56 65 61 60 56 56 50 45 38 35
300 63 69 61 64 61 62 57 53 48 44
600 70 73 61 67 66 68 64 62 57 53
550
50 50 65 63 58 50 48 43 39 32 26
100 58 71 69 65 59 56 51 46 40 35
150 62 74 72 69 64 61 55 50 45 39
300 70 81 77 76 72 70 62 58 52 48
600 78 87 83 83 81 78 69 65 60 56
Tab. 7: A-weighted & non-weighted octave band discharged sound power level dependent on duct static pressure and air ow volume;
OPTIMA-LV-R (RI) -180