Grundfos CRE Series Installation And Operating Instruction

Appendix A
A.1. Sound pressure level
ES-MX: Los niveles de presión sonora
FR-CA: Les niveaux de pression acoustique
Motor
[hp]
Maximum speed stated on
nameplate
[min
-1
]
Speed
[min
-1
]
Sound pressure level
ISO 3743
[dB(A)]
3 × 440-480 V
20
2200
1750
TBD
1)
2200
4000
3500
TBD
1)
4000
25
2200
1750
TBD
1)
2200
4000
3500
TBD
1)
4000
30
2200
1750
TBD
1)
2200
4000
3500
TBD
1)
4000
1)
To be determined. Check the online version.
CRE, CRIE, CRNE, CRKE, SPKE, MTRE installation and operating instructions
QR92898117
http://net.grundfos.com/qr/i/92898117
69
Appendix A

Grundfos CRE Series Specifications

General

Motor Type	Asynchronous
Enclosure Class	IP55
Insulation Class	F
Series	CRE
Protection Class	IP55
Material	Stainless Steel
Applications	Water Supply, Pressure Boosting, Irrigation
Pumped liquid	Clean liquids
Approvals	CE
Voltage	380-415V
Connection Size	DN 32 to DN 100
Efficiency	IE3 Premium Efficiency
Power Supply	3-phase
Liquid Temperature Range	-10°C to +120°C
Temperature Range	-10°C to +120°C