Grundfos SL1.20 Instructions Manual
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Grundfos SL1.20 Instructions Manual

2.0 / 1.2 - 2.0 / 1.2 - 2.0 / 1.2 - 2.0 hp ansi 60 hz
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GRUNDFOS INSTRUCTIONS
SL1.20 / SLV.25 / DP04 / EF12
2.0 / 1.2 - 2.0 / 1.2 - 2.0 / 1.2 - 2.0 hp ANSI 60 Hz
Installation and operating instructions

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  • Page 1 GRUNDFOS INSTRUCTIONS SL1.20 / SLV.25 / DP04 / EF12 2.0 / 1.2 - 2.0 / 1.2 - 2.0 / 1.2 - 2.0 hp ANSI 60 Hz Installation and operating instructions...
  • Page 3 SL1.20 / SLV.25 / DP04 / EF12 English (US) Installation and operating instructions ......4 Limited consumer warranty .

  • Page 4: Table Of Contents

    English (US) Installation and operating instructions Original installation and operating instructions Noisy operation and excessive vibrations (SL1) ..... 26 Table of contents Technical data .

  • Page 5: Notes

    1.2 Notes The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. A blue or grey circle with a white graphical symbol indicates that an action must be taken. A red or grey circle with a diagonal bar,...

  • Page 6: Product Introduction

    2. Product introduction 2.1 Product description This manual describes instructions for the installation, operation and maintenance of Grundfos SL1, SLV, DP and EF submersible sewage, wastewater, drainage and effluent pumps., 1.2 - 2.0 hp. DP04.A20 pump SL1.20.A25 and SLV.25.A25 pumps EF12.A20 pump...

  • Page 7: Pumped Liquids

    Production site and 12 Frequency [Hz] country 2.4 Identification 13 cCSAus approval 26 Grundfos logo 2.4.1 Nameplate Fix the extra nameplate supplied with the pump at the installation site or keep it in the cover of this manual.

  • Page 8: Approvals

    2.4.2 Type key SL 1.20, SLV.25 2.4.3 Type key DP04, EF12 Example: SLV.25.A25.20.2.60M Example: DP04.A20.20.2.60M Code Description Explanation Code Description Explanation Grundfos sewage Grundfos and wastewater Pump type drainage pump Pump type pumps Grundfos effluent Sewage pump pump with single-...

  • Page 9: Receiving The Product

    3. Receiving the product 3.3 Lifting the product The pump may be transported and stored in a WARNING vertical or horizontal position. Make sure that it Crushing of hands cannot roll or fall over. Death or serious personal injury 3.1 Transporting the product ‐...

  • Page 10: Installing The Product

    4. Installing the product DANGER Electric shock Do not install the pump more than Death or serious personal injury 6560 ft (3000 m) above sea level. ‐ Switch off the power supply and lock the main switch in position 0. ‐...
  • Page 11 Always use Grundfos accessories to 3. Assemble the outlet line in accordance with avoid malfunction due to incorrect the generally accepted procedures and installation.
  • Page 12 3. Fit the adapted piece of pipe for the movable part of the hookup auto coupling to the pump outlet. 4. Fasten a shackle and a chain to the movable part of the hookup auto coupling. 5. Clean out debris from the pit before lowering the pump.
  • Page 13 4. Adjust the length of the power cable by coiling it up on a relief fitting to ensure that the cable is not damaged during operation. Fasten the relief fitting to a suitable hook at the top of the pit. Make sure that the cables are not sharply bent or pinched.

  • Page 14: Electrical Connection

    IEC A possible replacement of the power trip class 10 or 15. cable must be carried out by Grundfos or an authorized service workshop. The permanent installation must be fitted with an earth-leakage circuit The pump must be connected to one of the breaker.

  • Page 15: Wiring Diagrams

    5.1 Wiring diagrams L1 L2 320°F 302°F 275°F 257°F 160 C) 150 C) 135 C) 125 C) Wiring diagram for single-phase pumps 275 °F (135 °C) and 257 °F (125 °C) apply to single-phase, 2 hp pumps. Wire NO. Type Connection Common (C) U1/Z1...

  • Page 16: Protection And Control Functions

    5.2 Protection and control functions Depending on the security and the number of pumps, level switches can be used in the The liquid level can be controlled by the Grundfos following setups: LC 231 and LC 241 level controllers. The pumps •...

  • Page 17: Frequency Converter Operation

    • Install the start level switch so the pump is For frequency converter operation, observe the started at the required level. The pump must following: always be started before the liquid level • The thermal protection of the motor must be reaches the bottom of the inlet pipe.

  • Page 18: Startup

    6. Startup DANGER CAUTION Electric shock Death or serious personal injury Crushing of hands ‐ Before starting up the product for Minor or moderate personal injury the first time, check the power ‐ Do not put your hands or any tool cable for visible defects to avoid into the pump inlet or outlet port short circuits.

  • Page 19: Operating Modes

    6.1 Operating modes S1, continuous operation In this operating mode, the pump can operate The pumps are designed for intermittent operation continuously without being stopped for cooling. (S3). When completely submerged in the pumped Being completely submerged, the pump is liquid, the pumps can also operate continuously sufficiently cooled by the surrounding liquid.

  • Page 20: Direction Of Rotation

    4. Stop the pump. 5. Compare the results taken under points 1 and 3. The connection which gives the larger liquid quantity or the higher pressure is the correct direction of rotation. Procedure 2: 1. Let the pump hang from a lifting device, such as the hoist used for lowering the pump into the pit.

  • Page 21: Resetting The Pump

    5. Open the isolating valves, if fitted. CAUTION Auto coupling: It is important to grease the Hot surface gasket of the guide claw before lowering the Minor or moderate personal injury pump into the pit. ‐ Do not touch the surface of the 6.

  • Page 22: Contaminated Pumps

    (more than 1-3 months), ensure defective ball bearings or poor motor function. the free rotation of the shaft by rotating This work must be carried out by Grundfos or it by hand. In case of any seizing, refer an authorized service workshop.

  • Page 23: Adjusting The Impeller Clearance

    The table below indicates the oil quantity in the oil Oil filling, pump in a vertical position chamber: 1. Place the pump on a plain, horizontal surface. 2. Fill oil into the oil chamber through hole Nr. 1 until it starts running out from the other hole Quantity of oil in the oil Pump type on the side (Nr.

  • Page 24: Checking Or Replacing The Shaft Seal

    7.7 Service kits 1. Place the motor with the impeller in the pump For service kits, please visit www.grundfos.us housing. (Grundfos Product Center) or see the Service Kit 2. Fit and tighten the clamp. Catalogue. 7.6 Checking or replacing the shaft seal 8.

  • Page 25: Fault Finding The Product

    9. Fault finding the product Before diagnosing any fault, read and observe the safety instructions. Before diagnosing any fault, make sure the following: • The fuses are removed or the main switch is switched off. • The power supply cannot be switched on unintentionally. •...

  • Page 26: The Pump Operates At Below-Standard Performance And Power Consumption

    9.4 The pump operates at below-standard performance and power consumption. Cause Remedy The impeller is blocked by impurities. • Clean the impeller. The direction of rotation is wrong. • Check the direction of rotation. If it is incorrect, interchange two phases in the power cable. 9.5 The pump operates but delivers no liquid.

  • Page 27: Technical Data

    Maximum solids size Type [in] (mm) 1.2 - 2.0 6.8 Ω 9.1 Ω SL1.20.A25 1.97 (50) The table values do not include the cable. SLV.25.A25 2.56 (65) Resistance in the cables: 2 x 33 ft (10 m), approximately 0.28 Ω.

  • Page 28: Disposing Of The Product

    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 a product means that it must be disposed of separately from household waste.
  • Page 29 When a product is subject to this Limited Warranty a purchaser should contact the seller from which it purchased the product to make a claim. If the seller of a product is no longer in business, the purchaser should contact a Grundfos Authorized Service Partner, which can be found at www.grundfos.com/us...
  • Page 30 Para el caso de productos que no sean de consumo, consulte los términos de la garantía de Grundfos definidos en la cláusula 10 de los términos y condiciones de venta de productos y servicios de Grundfos para los EE. UU., disponibles en https://www.grundfos.com/legal/grundfos-customer-terms/usa-...
  • Page 31 (30) months from the date of manufacture which is set forth on the Product’s nameplate and on the Product’s packaging (the "Warranty Notification Period"). If the seller of a Product is no longer in business, the Purchaser should contact Grundfos Service at www.grundfos.com/us under Support >...
  • Page 32 Grundfos Service Partner to arrange for shipment. The Purchaser also needs to promptly respond to Grundfos as to any inquiries regarding a warranty claim. Unless requested by Grundfos, the Product may not be disassembled prior to remedy. Any failure to comply herewith will render this Limited Manufacturer’s Warranty void.
  • Page 33 Produit (« Période de garantie »). Lors de l'achat d'un Produit Grundfos en ligne, il est important de vérifier la date de fabrication et la durée de la garantie auprès du vendeur, car le Produit pourrait ne plus être couvert par cette garantie limitée du fabricant.
  • Page 34 L'Acheteur est responsable de tous les frais de démontage et de montage du Produit et de tous les frais liés à l'enlèvement, à la réinstallation, au transport et à l'assurance. Si Grundfos est tenu par la loi provinciale ou territoriale applicable de payer les frais de transport, l’Acheteur doit contacter le partenaire de service Grundfos pour organiser l’expédition.
  • Page 35 Argentina Columbia Hungary Bombas GRUNDFOS de Argentina GRUNDFOS Colombia S.A.S. GRUNDFOS South East Europe Kft. S.A. Km 1.5 vía Siberia-Cota Conj. Potrero Tópark u. 8 Ruta Panamericana km. Chico, H-2045 Törökbálint 37.500industin Parque Empresarial Arcos de Cota Tel.: +36-23 511 110 1619 - Garín Pcia.
  • Page 36 Tel.: +66-2-725 8999 Tel.: +351-21-440 76 00 Fax: +66-2-725 8998 Fax: +351-21-440 76 90 Turkey Romania GRUNDFOS POMPA San. ve Tic. Ltd. GRUNDFOS Pompe România SRL Sti. S-PARK BUSINESS CENTER, Gebze Organize Sanayi Bölgesi Clădirea A2, etaj 2 Ihsan dede Caddesi Str.
  • Page 37 93223544 08.2024 ECM: 1400737 www.grundfos.com...

This manual is also suitable for:

Slv.25Dp04Ef12

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