General Information; Uses; Technical Characteristics; Safety - Wilo NR 4 Series Installation And Operating Instructions Manual

NR series 4-6-8 Stainless Submersibles

1 General Information

Installation and service by qualified personnel only!

1.1. Uses

Submersible pumps of the NR series are suitable for drawing groundwater from deep
wells, for industrial use and for supplying water.
1.2 Product data
1.2.1 Rating plate
Submersible motor pump
Nominal pump diameter
Min. bore-hole diameter = 4"/6"/8"
Nominal volume flow Q (gpm) x 10 ____________________  
Number of stages

1.2.2 Technical characteristics


Temperature range:
 Max. Flow rate:
 Max. immersion depth:

Maximum permissible sand content 50 g/m

Pressure pipe connection: 2" to 6", depending on size of pump

Max. pump lift: 650 ft to 1300 ft, depending on size of pump

2 Safety

These instructions contain important information which must be followed when installing
and operating the pump. These operating instructions must therefore be read before
assembly and commissioning by the installer and the responsible operator. Both the
general safety instructions in the "Safety precautions" section and those in subsequent
sections indicated by danger symbols should be carefully observed.
2.1 Danger symbols used in these operating instructions
Safety precautions in these operating instructions which, if not followed, could cause
personal injury are indicated by the symbol:
when warning of electrical voltage with
The following symbol is used to indicate that by ignoring the relevant safety instructions,
damage could be caused to the pump/machinery and its functions:
2.2 Staff training
The personnel installing the pump must have the appropriate qualifications for this
work.
WILO – USA, LLC & WILO Canada Inc. • 2915 10th Ave • Calgary, Alberta CAN • Tel. (403) 276-9456 • Fax (403) 277-9456
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+37 F (3 C) to +86
1320 [gpm]
1148 ft
3
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ATTENTION!
NR 6 30- 3
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F (30 C)