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Grundfos SP Series Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
SP
Stainless steel submersible pumps
6", 8", and 10"
Installation and operating instructions

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Summary of Contents for Grundfos SP Series

  • Page 1 GRUNDFOS INSTRUCTIONS Stainless steel submersible pumps 6", 8", and 10" Installation and operating instructions...

  • Page 2: Limited Warranty

    Unless otherwise provided, the distributor or dealer will contact Grundfos or an authorized service station for instructions. Any defective product to be returned to Grundfos or a service station must be sent freight prepaid; documentation supporting the warranty claim and/or a Return Material Authorization must be included if so instructed.

  • Page 3: Table Of Contents

    Your Grundfos SP submersible pump is of the utmost quality. Combined with proper installation, 7.2 Guide for engine-driven generators in your Grundfos pump will give you many years of submersible pump applications reliable service. 7.3 Transformer capacity required for...

  • Page 4: Applications

    • wire cable type. 1.4 Applications These checks are all critical for the proper installation of this submersible pump. Grundfos Large SP submersible pumps are suitable for: 3.1.1 Condition of the well • Groundwater supply to waterworks If the pump is to be installed in a new well, the •...
  • Page 5 Refilling of liquid is carried out as described of the pump. below. Torque: 3.0 Nm. 3.2.2 Grundfos submersible motors MS 4000 The submersible pump is now ready for and MS 402 installation. The filling hole for motor liquid is placed in the following positions: MS 4000: in the top of the motor.

  • Page 6: Splicing The Motor Cable

    If the splice is carefully made, it will work as well as any other portion of the cable, and will be completely watertight. Grundfos recommends using a heat shrink splice kit. The splice should be made in accordance with the kit manufacturer’s instructions.

  • Page 7: Riser Pipe

    Drop pipe Pipe adapters 5” NPT 5” NPT 6” NPT 4” NPT Fig. 5 Crimping the connectors Pump discharge Fig. 8 Pipe adapters 3.4.2 If steel riser pipe is used We recommend that steel riser pipes always be used with the larger submersibles. An approved pipe thread compound should be used on all joints.

  • Page 8: Electrical

    In addition to making sure Motor electrical data can be found in section that joints are securely fastened, the use of a 7.6.1 Grundfos submersible pump motors - 60 Hz torque arrester is recommended when using on p. 24.
  • Page 9 A typical single-phase wiring diagram using a Lightning voltage surges in power lines are Grundfos control box is shown in fig 9. caused when lightning strikes somewhere in the area. Switching surges are caused by the opening and closing of switches on the main high-voltage distribution power lines.
  • Page 10 The ground wire should be a bare copper conductor at least the same size as the drop cable wire size. The ground wire should be run as short a distance as possible and be securely fastened to a true grounding point. True grounding points are considered to be: •...

  • Page 11: Startup

    4. Startup Total of current values After the pump has been set into the well and the measured wiring connections have been made, the Average on each leg following procedures should be performed: current 1. Attach a temporary horizontal length of pipe with installed gate valve to the riser pipe.

  • Page 12: Operation

    6. Troubleshooting Warning The majority of problems that develop with Under no circumstances should the submersible pumps are electrical, and most of pump be operated for any prolonged these problems can be corrected without pulling period of time with the discharge the pump from the well.

  • Page 13: Preliminary Tests

    6.1 Preliminary tests Test How to measure What it means Supply voltage By means of a voltmeter, which has When the motor is under load, the been set to the proper scale, voltage should be within ± 10% of measure the voltage at the control the nameplate voltage.

  • Page 14: Checking Pump Performance

    6.1.1 Ohm value chart Ohm value chart Condition of Megaohm motor and leads/ value value recommended procedure 2,000,000 New motor. (or more) Motor not yet installed Used motor which can be reinstalled in the 1,000,000 (or more) well. 500,000 - 1,000,000 0.5 - 1.0 A motor in reasonably good condition.

  • Page 15: Troubleshooting Chart

    6.3 Troubleshooting chart Problem Possible cause/how to check Possible remedy 1. Pump does not a) No power at pump panel. run. If no voltage at panel, check feeder How to check: panel for tripped circuits. Check for voltage at panel. b) Fuses are blown or circuit breakers Replace blown fuses or reset circuit are tripped.
  • Page 16 Problem Possible cause/how to check Possible remedy 2. Pump runs but a) Groundwater level in well is too If water level is not at least 3 ft. above does not deliver low or well is collapsed. pump inlet during operation, then water.
  • Page 17 Problem Possible cause/how to check Possible remedy 4. Pump cycles too a) Pressure switch is not properly Re-adjust switch or replace if much. adjusted or is defective. defective. How to check: Check pressure setting on switch and operation. Check voltage across closed contacts.
  • Page 18 Problem Possible cause/how to check Possible remedy 5. Fuses blow or d) Defective capacitor (single-phase If there is no ohmmeter needle circuit breakers trip only). movement, replace the capacitor. (con’t). How to check: Turn off power and discharge capacitor. Check using an ohmmeter (Rx100K).

  • Page 19: Technical Data

    7. Technical data 7.1 Minimum water flow requirements 7.2 Guide for engine-driven generators for submersible pump motors in submersible pump applications Casing or Min. flow past Generator [kW] Motor Motor - sleeve I.D. the motor diameter 1 or 3 ph [inches] [gpm] Externally...

  • Page 20: Transformer Capacity Required For Three-Phase Submersible Pump Motors

    7.3 Transformer capacity required for three-phase submersible pump motors Minimum KVA rating for each transformer 3-phase Minimum motor total KVA [hp] required* 2 transformers 3 transformers Open Delta or Wye Delta or Wye Notes: • Pump motor KVA requirements only, and does not include allowances for other loads.

  • Page 21: Submersible Pump Cable Selection Chart (60 Hz)

    7.4 Submersible pump cable selection chart (60 Hz) The following tables list the recommended copper cable sizes and various cable lengths for submersible pump motors. These tables comply with the 1978 edition of the National Electric Table 310-16, Column 2 for 167 °F (75 °C) wire.

  • Page 22: Three-Phase Motor Maximum Cable Length

    7.5 Three-phase motor maximum cable length Use of wire size smaller than listed will void warranty. Caution Three-phase motor maximum cable length [ft] (Motor to service entrance) (2) Wire size Volts 0000 1260 1520 1160 1810 1080 1660 1180 1770 1330 1640 1110...
  • Page 23 Three-phase motor maximum cable length [ft] (Motor to service entrance) (2) 2620 2030 1580 2530 1480 2330 1060 1680 2650 1240 1950 1340 2090 1030 1610 2520 1300 2030 3110 1070 1670 2560 3880 1240 1900 2860 3510 1000 1540 2310 2840 3420...

  • Page 24: Electrical Data

    7.6 Electrical data 7.6.1 Grundfos submersible pump motors - 60 Hz Grundfos submersible pump motors - 60 Hz Circuit breaker Amperage Full load or fuses Max. Name- Volt Product S.F. thrust plate number [lbs] number Start Max. Eff. Power Std.
  • Page 25 7.6.3 Franklin motors efficiency and reliability. Refer to the Franklin submersible motors By comparing the current values recorded on application maintenance manual. each leg, you will note the highest value was always on the same leg, L . This indicates the 7.6.4 Correcting for three-phase power unbalance is in the power source.

  • Page 26: Disposal

    8. Disposal This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop.

  • Page 27: Removal And Fitting Of Cable Guard

    9. Removal and fitting of cable guard Removing cable guard Fitting cable guard Fig. 15 Removal and fitting o cable guard for SP 85S, 150S, 230S, and 300S Removing cable guard Fitting cable guard Fig. 16 Removal and fitting of cable guard for SP 385S, 475S, 625S, 800S, and 1100S...
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  • Page 29 U.S.A. Canada México GRUNDFOS Pumps Corporation GRUNDFOS Canada Inc. Bombas GRUNDFOS de México 17100 West 118th Terrace 2941 Brighton Road S.A. de C.V. Olathe, Kansas 66061 Oakville, Ontario Boulevard TLC No. 15 Phone: +1-913-227-3400 L6H 6C9 Parque Industrial Stiva Telefax: +1-913-227-3500...
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  • Page 32 L-SP-TL-031 05.11 Repl. 02.00 © 2000, 2011 Grundfos Pumps Corp. The name Grundfos, the Grundfos logo, and the payoff Be–Think–Innovate are registrated trademarks Subject to alterations. owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide. www.grundfos.com...

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