Wilo Atmos GIGA-N Mode D'emploi page 51

4.7.2 Pump with three-phase motor,
60 Hz without speed control
Installation and operating instructions Wilo-Atmos GIGA-N
Product description
Motor power P [kW]
N
0.75
1.1
1.5
2.2
3
4
5.5
7.5
9
11
15
18.5
22
30
37
45
55
75
90
110
132
160
200
1)
Spatial mean value of sound-pressure levels within a cube-shaped measuring area at
a distance of 1 m from the surface of the motor
Table 1: Anticipated noise levels for standard pump (50 Hz)
Motor power P [kW]
N
0.37
0.55
0.75
1.1
1.5
2.2
3
3.7
4.5
5.5
7.5
9.2
11
15
18.5
Measuring surface sound-pressure level Lp, A [dB(A)]
2-pin (2900 rpm)
61
61
64
64
69
66
64
72
72
72
72
72
77
80
80
77
76
79
79
79
–
–
–
Measuring surface sound-pressure level Lp, A [dB(A)]
2-pin (2900 rpm)
–
62
62
64
64
70
70
73
71
71
74
74
74
74
74
en
1)
4-pin (1450 rpm)
46
51
51
55
55
58
58
63
65
65
65
70
70
71
72
72
66
71
71
73
73
73
75
1)
4-pin (1450 rpm)
49
50
53
53
53
56
58
58
58
60
60
60
66
66
66
51