Grundfos SL1 Series User Manual

English (GB)
35
12. Technical data
Supply voltage
• 3 x 380-415 V -10 % to +10 %, 50 Hz
• 3 x 400-415 V -10 % to +10 %, 50 Hz.
Enclosure class
IP68. According to IEC 60529.
Insulation class
H (180 °C).
Pressure
Maximum pressure: 6 bar
All pump housings have a cast-iron PN 10 outlet
flange.
Dimensions
Outlet flanges are DN 65, DN 80, DN 100 or DN 150
according to EN 1092-2.
Pump curves
Pump curves are available via the internet on
www.grundfos.com.
The curves are to be considered as a guide. They
must not be used as guarantee curves.
Test curves for the supplied pump are available on
request.
Make sure that the pump does not operate outside
the recommended operating range during normal
operation.
Pump noise emission < 70 dB(A)
• Sound power measurements were carried out
according to ISO 3743.
• Sound power was calculated at a distance of 1
metre according to ISO 11203.
The sound pressure level of the pump is lower than
the limiting values stated in the EC Council Directive
2006/42/EC relating to machinery.
The supply cable resistance depends on the cable diameter.
Resistance per running metre of cable: 1.5 mm
2
= 0.012 Ω.
Resistance per running metre of cable: 2.5 mm
2
= 0.007 Ω.
2-pole motor Cable connection
Power P
2
[kW]
Power P
1
[kW]
Voltage
[V]
Starting
method
Thermal
protection
Cable cross
section
[mm
2
]
Conductors or
plug pins
2.2 2.8 3 x 380-415 DOL Thermal switch 1.5 7/7
2.2 2.8 3 x 380-415 Y/D Thermal switch 1.5 10/10
2.2 2.8 3 x 400-415 DOL Thermal switch 1.5 7/7
3 3.8 3 x 380-415 DOL Thermal switch 1.5 7/7
3 3.8 3 x 380-415 Y/D Thermal switch 1.5 10/10
3 3.8 3 x 400-415 DOL Thermal switch 1.5 7/7
4 4.8 3 x 380-415 Y/D Thermal switch 2.5 10/10
4 4.8 3 x 400-415 DOL Thermistor 2.5 7/10
6.0 7.1 3 x 380-415 Y/D Thermal switch 2.5 10/10
6.0 7.1 3 x 400-415 DOL Thermistor 2.5 7/10
7.5 8.9 3 x 380-415 Y/D Thermal switch 2.5 10/10
7.5 8.9 3 x 400-415 DOL Thermistor 2.5 7/10
9.2 10.5 3 x 380-415 Y/D Thermal switch 2.5 10/10
9.2 10.5 3 x 400-415 DOL Thermistor 2.5 7/10
11 12.6 3 x 380-415 Y/D Thermal switch 2.5 10/10
11 12.6 3 x 400-415 DOL Thermistor 2.5 7/10

Grundfos SL1 Series Specifications

General

Brand	Grundfos
Model	SL1 Series
Category	Water Pump
Language	English