Grundfos SP Series Installation And Operating Instructions Manual
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Grundfos SP Series Installation And Operating Instructions Manual

Stainless steel submersible pumps
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GRUNDFOS INSTRUCTIONS
SP/SPE
Stainless steel submersible pumps
Installation and operating instructions

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  • Page 1 GRUNDFOS INSTRUCTIONS SP/SPE Stainless steel submersible pumps Installation and operating instructions...
  • Page 3 SP/SPE English (US) Installation and operating instructions ............4 Français (CA) Notice d'installation et de fonctionnement .

  • Page 4: Table Of Contents

    Products manufactured by GRUNDFOS PUMPS CORPORATION (Grundfos) are warranted to the original user only to be free of Limited warranty ......4...

  • Page 5: General Information

    Installation and operation must comply with local This manual includes instructions for installation, operation, and regulations and accepted codes of good practice. maintenance of Grundfos SP submersible pumps with 0.5 to 250 Hp motors. The use of this product requires experience with and knowledge of the product.

  • Page 6: Drinking Water

    3.3 Drinking water 3.4 Features and benefits If the product is used for drinking water, the following precautions • state-of-the-art hydraulics provide high efficiency and low must be taken to avoid contamination: operating costs • Before use, make sure that the product does not come into •...

  • Page 7: Delivery, Handling And Storage

    4. Delivery, handling and storage 5. Operating conditions 4.1 Scope of delivery Up to 1400 gpm Flow rate, Q: Make sure that the pump and its components, motor, cable, or (318 m control box are not damaged during transportation. Up to 2657 ft Head, H: 4.2 Handling (810 m)

  • Page 8: Installation

    6. Installation 6.1.1 Condition of the well If the pump is to be installed in a new well, make sure that the well DANGER is fully developed and bailed or blown free of cuttings, drillings and sand. The stainless steel construction makes the pump resistant to Electric shock abrasion.

  • Page 9: Positional Requirements

    6.2 Positional requirements 6.2.1 Motors suitable for horizontal installation WARNING Output power Output power Crushing of hands 60 Hz 50 Hz Motor Death or serious personal injury [Hp (kW)] [Hp (kW)] ‐ If the pump is to be installed in a position where it is accessible, make sure the coupling is isolated and 0.5 - 40 cannot be touched.

  • Page 10: Preparation

    For drinking water applications, the If frost protection is required, special Grundfos liquid must temperature must not exceed 86 °F (30 °C). be used to refill the motor. Otherwise tap water may be used for refilling.
  • Page 11 1. Place the motor at a 45 ° angle with the top of the motor below. upwards. See the figure below. • On pumps delivered directly from Grundfos, the liquid level has already been checked. 2. Unscrew the plug A and place a funnel in the hole. •...

  • Page 12: Removing And Fitting The Cable Guard

    6.3.5 Installation depth 6.5 Splicing the motor cable Make sure that the installation depth of the pump is always at least 3 ft (1 m) below the maximum draw-down level of the well. For flow A good cable splice is critical to proper operation of the rates exceeding 100 gpm (22.7 m /h), refer to the performance pump.

  • Page 13: Riser Pipe

    6.6 Riser pipe WARNING Sharp element Death or serious personal injury ‐ When mounting the riser pipe, adapter or hose, wear personal protective equipment to avoid cutting on sharp edges on the pump. Make sure that the riser pipe or hose are properly sized and selected based on the estimated flow rates and friction-loss factors.
  • Page 14 After the first section of the riser pipe is attached to the pump, the cable splice by securing it with Grundfos cable clips or tape just clamp the lifting wire to the pump, if there is a provision on the above each joint.

  • Page 15: Electrical And Variable-Frequency Drive Information

    10.3 Transformer capacity required for three-phase submersible motors 6.7.2 Control box or panel wiring Single-phase motors Connect single-phase motors as indicated in the motor control box. A typical single-phase wiring diagram using a Grundfos control box is indicated in the figure below.
  • Page 16 Use three-phase motors with the proper motor starter to ensure the Grundfos motors motor is protected against damage from low voltage, phase failure, Three-phase Grundfos motors can be connected to a variable current imbalance and overload current. frequency drive (VFD).
  • Page 17 Maximum peak voltage and dU/dt for Grundfos submersible motors Maximum U voltage Motor series Maximum dU/dt peak MS 402 650 V phase-phase 2000 V/micro s. MS 4000 850 V phase-phase 2000 V/micro s. MS 6000/MS 6000P 850 V phase-phase 2000 V/micro s.
  • Page 18 6.7.5 High-voltage surge arresters Use a high-voltage surge arrester to protect the motor against lightning and switching surges. Lightning voltage surges in power lines are 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 19 6.7.6 Control box or panel grounding DANGER Electric shock Death or serious personal injury ‐ The control box or control panel must be permanently grounded in accordance with the National Electrical Code/Canadian Electrical Code and local codes or regulations. The ground wire must be a bare copper conductor at least the same size as the submersible drop cable wire size.

  • Page 20: Startup

    6.7.7 Wiring checks and installation 7. Startup Before making the final surface wiring connection of the After the pump is set into the well and the wiring connections have submersible drop cable to the control box or control panel, it is a are made, go through the following procedures: good practice to check the insulation resistance to ensure that the 1.
  • Page 21 7.1.2 Check for current imbalance If the water is clean and clear when the pump is first started, open the valve slowly until the desired flow rate is reached. As the valve Current imbalance causes the motor to have reduced starting is being opened, check the drawdown to ensure that the pump is torque, overload tripping, excessive vibration and poor performance always submerged.

  • Page 22: Operating The Product

    8. Operating the product 8.1 Minimum flow rate To ensure the adequate cooling of the motor, do not set the pump Check the pump and system periodically for water quantity, flow rate so low that the cooling requirements specified in pressure, drawdown, periods of cycling and operation of controls.

  • Page 23: Soft Starter

    8.3 Maintenance and service All pumps are easy to service. Service kits and service tools are available from Grundfos. The pumps can be serviced at a Grundfos service center. DANGER Toxic or radio active liquid Death or serious personal injury ‐...

  • Page 24: Troubleshooting

    9. Troubleshooting The majority of problems that develop with submersible pumps are electrical, and most of these problems can be corrected without pulling the pump from the well. The following chart covers most of the submersible service work. Start with the simplest solution first; always make all the above-ground checks before pulling the pump from the well.

  • Page 25: Preliminary Tests

    9.2 Preliminary tests Test How to measure What it means Supply voltage When the motor is under load, the voltage must be within ± 10 % of the value stated on the With a voltmeter set to the proper scale, measure the nameplate.

  • Page 26: Checking Pump Performance

    Related information 4. Read pressure at shut-off. 6.7.8 Insulation resistance and ohm value chart 5. After reading, open the valve to its previous position. 6.7.8 Insulation resistance and ohm value chart 6. To calculate pump performance, first convert psi reading to feet. 9.3 Checking pump performance For water: psi x 2.31 = ____ feet.
  • Page 27 Cause Remedy The inlet strainer is clogged. • Pull the pump from the well. • Clean the inlet strainer. • Rinse out the pump and re-install it. The pump is worn. • Pull the pump from the well. • Repair as necessary. •...

  • Page 28: Technical Data

    10. Technical data 10.1 Motor cooling requirements 10.1.1 Maximum water temperature - minimum velocity/flow past the motor Maximum water temperature - minimum velocity/flow past the motor Maximum temperature of the pumped liquid Minimum well casing or Minimum velocity Minimum flow sleeve diameter Vertical installation Horizontal installation...

  • Page 29: Guide For Engine-Driven Generators In Submersible Pump Applications

    10.2 Guide for engine-driven generators in submersible pump applications Generator [kW] 1- or 3-phase motor [Hp] Externally regulated Internally regulated 0.33 0.75 10.0 15.0 20.0 10.0 10.0 30.0 15.0 15.0 40.0 20.0 20.0 60.0 25.0 25.0 75.0 30.0 30.0 100.0 40.0 40.0 100.0...

  • Page 30: Transformer Capacity Required For Three-Phase Submersible Motors

    10.3 Transformer capacity required for three-phase submersible motors Minimum KVA rating for each transformer 3-phase motor Minimum total KVA required * [Hp] Two transformers Open Delta or Wye Three transformers Delta or Wye Pump motor KVA requirements only, and does not include allowances for other loads. 10.4 Submersible drop cable selection charts (60 Hz) The following tables indicate the recommended copper conductor sizes and various cable lengths for submersible motors.
  • Page 31 10.4.1 115 V and 230 V, 1-phase, 60 Hz Maximum submersible power cable length (maximum cable length in feet, starter to motor) AWG copper wire size Motor [ft (m)] [Hp] rating 0000 1300 1610 1960 2390 2910 3540 4210 5060 0.33 115 V (40)
  • Page 32 10.4.2 200-208 V, 3-phase, 60 Hz Maximum submersible power cable length (maximum cable length in feet, starter to motor) AWG copper wire size Motor [ft (m)] [Hp] rating 0000 1140 1800 2840 4420 (216) (347) (549) (866) (1347) 1280 2030 3160 0.75 (155)
  • Page 33 10.4.3 230 V, 3-phase, 60 Hz Maximum submersible power cable length (maximum cable length in feet, starter to motor) AWG copper wire size Motor [ft (m)] [Hp] rating 0000 1490 2350 3700 5760 8910 (283) (454) (716) (1128) (1756) (2716) 1080 1700 2580...
  • Page 34 10.4.4 460 V, 3-phase, 60 Hz Maximum submersible power cable length (maximum cable length in feet, starter to motor) AWG copper wire size Motor [ft (m)] [Hp] rating 0000 3770 6020 9460 (1149) (1835) (2883) 2730 4350 6850 0.75 (832) (1326) (2088) 2300...
  • Page 35 Note: No asterisk indicates both jacketed cable and single-conductor cables. • The table is based on copper wire. If aluminum wire is used, multiply lengths by 0.5. The maximum permissible length of aluminum is considerably shorter than the same copper wire size.
  • Page 36 10.4.5 575 V, 3-phase, 60 Hz Maximum submersible power cable length (maximum cable length in feet, starter to motor) AWG copper wire size Motor [ft (m)] [Hp] rating 0000 5900 9410 (1798) (2868) 4270 6810 0.75 (1301) (2076) 3630 5800 9120 (1106) (1768)
  • Page 37 • The table is based on maintaining motor terminal voltage at 95 % of service entrance voltage, running at the maximum value stated on the nameplate.. In general, a voltage drop must be maintained at 3 V/100 ft or less. •...

  • Page 38: Approvals

    Pump End Only MH26400 MS6000C and MS6000P motor Submersible Motor MH26400 MS4000 motor Submersible Motor NSF/ANSI 372 MH26400 MS402 motor Submersible Motor NSF/ANSI 372 MH26400 The Grundfos SP/SPE pumps are certified when driven by a certified motor provided with suitable overheating protection.

  • Page 39: Electrical Data

    10.6 Electrical data 10.6.1 Grundfos submersible motors, 60 Hz Grundfos submersible motors, 60 Hz Circuit breaker or fuses Amperage Full load Volt Max. thrust Start Max. Eff. [lbs] Std. Delay Power factor 4-inch, single-phase, 2-wire motors (control box not required) 1.60...
  • Page 40 Grundfos submersible motors, 60 Hz Circuit breaker or fuses Amperage Full load Volt Max. thrust Start Max. Eff. [lbs] Std. Delay Power factor 6-inch, three-phase motors 208-230 1.15 114-130 23.4 - 27.5 85-84 6070 1.15 13.2 6070 1.15 10.2 6070 208-230 1.15...
  • Page 41 Grundfos submersible permanent-magnet motors, 60 Hz Amperage Full load Volt Max. thrust Start Max. Eff. [lbs] Power factor 6-inch, three-phase permanent-magnet motors 1.15 87.2 6070 1.15 12.4 12.4 89.4 6070 1.15 16.2 16.2 90.1 6070 1.15 24.5 24.5 92.4 6070 1.15...

  • Page 42: Disposing Of The Product

    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. The crossed-out wheelie bin symbol on...
  • Page 43 Appendix A A.1. Appendix Removing and fitting of cable guard Removing and fitting of cable guard for SP 385S, 475S, 625S, 800S, and 1100S Removing and fitting of cable guard for SP 5S, 7S, 10S, 16S, and 25S (smooth shaft) Pos.
  • Page 44 A.2. Annexe Dépose et fixation du protège-câble Dépose et fixation du protège-câble pour SP 385S, 475S, 625S, 800S, et 1100S Dépose et fixation du protège-câble pour SP 5S, 7S, 10S, 16S, et 25S (arbre lisse) Pos. Description Dépose du protège-câble Pos.
  • Page 45 A.3. Apéndice Desmontaje e instalación del protector de cable Desmontaje e instalación de la cubierta del cable para bombas SP 385S, 475S, 625S, 800S y 1100S Desmontaje e instalación de la cubierta del cable para bombas SP 5S, 7S, 10S, 16S y 25S (eje flexible) Pos.
  • Page 46 Tel.: +36-23 511 110 N-1011 Oslo Turkey E-mail: bulgaria@grundfos.bg Fax: +36-23 511 111 Tel.: +47-22 90 47 00 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Fax: +47-22 32 21 50 Gebze Organize Sanayi Bölgesi Canada India Ihsan dede Caddesi Poland GRUNDFOS Canada inc.
  • Page 47 Uzbekistan Grundfos Tashkent, Uzbekistan The Representative Office of Grundfos Kazakhstan in Uzbekistan 38a, Oybek street, Tashkent Tel.: (+998) 71 150 3290 / 71 150 3291 Fax: (+998) 71 150 3292...
  • Page 48 98559518 09.2022 ECM: 1345258 www.grundfos.com...

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