Sound Pressure Level - Grundfos E Serie Instrucciones De Instalación Y Funcionamiento

Enclosure class
• Single-phase pumps: IP55 (IEC 34-5).
• Three-phase pumps, 0.55 - 7.5 kW: IP55 (IEC 34-5).
• Three-phase pumps, 11-22 kW: IP55 (IEC 34-5).
Insulation class
F (IEC 85).
Ambient temperature
During operation:
• Min. -20 °C
• Max. +40 °C, without derating
During storage/transport:
• -30 - +60 °C (up to 7.5 kW)
• -25- +70 °C (11-22 kW).
Relative air humidity
Maximum 95 %.

Sound pressure level

Single-phase pumps:
< 70 dB(A).
Three-phase pumps
Speed stated on nameplate
Motor
-1
[min ]
[kW]
2-pole
1400-1500
0.55
1700-1800
1400-1500
1700-1800
0.75
2800-3000
3400-3600
1400-1500
1700-1800
1.1
2800-3000
3400-3600
1400-1500
1700-1800
1.5
2800-3000
3400-3600
1400-1500
1700-1800
2.2
2800-3000
3400-3600
1400-1500
1700-1800
3.0
2800-3000
3400-3600
1400-1500
1700-1800
4.0
2800-3000
3400-3600
1400-1500
1700-1800
5.5
2800-3000
3400-3600
1400-1500
1700-1800
7.5
2800-3000
3400-3600
1400-1500
1700-1800
11
2800-3000
3400-3600
1400-1500
1700-1800
15
2800-3000
3400-3600
1400-1500
1700-1800
18.5
2800-3000
3400-3600
1400-1500
1700-1800
22
2800-3000
3400-3600
Sound pressure
level
[dB(A)]
4-pole
47
52
47
52
60
65
49
53
60
65
53
57
65
70
50
52
65
70
55
60
65
70
58
63
70
75
57
59
75
80
59
61
67
72
63
64
64
68
65
66
65
68
69
72
69
70
-
-
67
70
31