Wilo NL-HE Series, Инструкция по установке и эксплуатации

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en Product description
12 WILO USA 2021-01
4.6 Accessories
Accessories have to be ordered separately. For a detailed list, consult the catalogue and
spare parts documentation.
4.7 Anticipated noise levels
4.7.1 Pump with three-phase motor,
60 Hz without speed control
Motor power P
N
[hp] Measuring surface sound-pressure level Lp, A [dB(A)]
1)
2-Pole (3550 rpm) 4-Pole (1750 rpm)
0.75
– 52
1 68 52
1.5
68 52
2
68 52
3
66 56
5
66 56
7.5
68 59
10
68 59
15
72 64
20
72 64
25
72 64
30
73 64
40
76 66
50
76 66
60 79 69
75
84 69
100
84 69
125
84 73
150
84 78
200
85 78
250
85 78
300
85 75
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 (60 Hz)