Grundfos SE Series Installation And Operating Instructions Manual
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Grundfos SE Series Installation And Operating Instructions Manual

9-30 kw
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SE, SL, 9-30 kW
Installation and operating instructions
Installation and operating instructions
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GRUNDFOS INSTRUCTIONS

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Summary of Contents for Grundfos SE Series

  • Page 1 GRUNDFOS INSTRUCTIONS SE, SL, 9-30 kW Installation and operating instructions Installation and operating instructions http://net.grundfos.com/qr/i/98142266...

  • Page 2: Table Of Contents

    Read this document before installing the These installation and operating instructions product. Installation and operation must describe Grundfos SE, SL pumps, 9-30 kW. comply with local regulations and accepted Sections 1-5 give the information necessary to be codes of good practice.

  • Page 3: Notes

    2.1 Transporting the product The symbols and notes below may appear in All lifting equipment must be rated for the purpose Grundfos installation and operating instructions, and checked for damage before any attempt to lift safety instructions and service instructions.

  • Page 4: Installing The Product

    3. Installing the product 3.1.1 Lifting the pump Installation types S, C and D 3.1 Mechanical installation When lifting the pump, use the right lifting point to keep the pump balanced. SE, SL pumps installation DANGER types S, C and D are equipped with two lifting points which ensure that the pump can be lifted in a safe Electric shock manner.
  • Page 5 Installation type H Permanent, vertical installation in a pit Installation type H can be lifted by a hole in the The pump can easily be pulled out of and lowered flange and the middle lifting point. See fig. 2. into the pit via the guide rails. See fig. 3. The liquid level can be set lower for installation type C than for type S.
  • Page 6 Permanent, vertical installation in a pump room Temporary, vertical installation in a pit Fasten the pump to the inlet and outlet pipes by The liquid level can be set lower for type C than for means of flange connections. type S. See fig. 6. Pumps with DN 250 or DN 300 flanges Installation types S and C, temporary must be installed on a concrete...
  • Page 7 Proceed as follows: Pull-out strength for anchor bolts 1. Drill mounting holes for the guide rail bracket on the inside of the pit and fasten the guide-rail Pull-out strength Auto-coupling Bolts bracket provisionally with two screws. for a single bolt base unit [mm] [kN]...
  • Page 8 3.1.4 Permanent, vertical or horizontal, dry Recommendation for pump foundations installation in a pump room Note: This applies for pumps above 15 kW. Pumps in dry installation are installed permanently in All rotating equipment generates vibrations when an a pump room. impeller or rotor is turning at high speeds.

  • Page 9: Level Of Pumped Liquid

    3.1.5 Temporary, vertical, submerged installation 3.2 Level of pumped liquid in a pit Do not allow the pump to run dry. Proceed as follows: Install an additional level switch to ensure 1. Fit the ring stand to the pump inlet flange. that the pump is stopped in case the stop 2.

  • Page 10: Torques For Inlet And Outlet Flanges

    3.3 Torques for inlet and outlet flanges Grade 4.6 (5) galvanised steel bolts and nuts Torques Pitch circle Nominal Bolts [Nm] diameter diameter [mm] [mm] Slightly oiled Well lubricated DN65 4 x M16 DN80 8 x M16 Inlet DN100 8 x M16 DN150 8 x M20 DN65...

  • Page 11: Electrical Connection

    IEC trip class explosive environments must be 10 or 15 or NEMA equivalent. approved for this application. They must be connected to the Grundfos Dedicated Controls, DC, DCD or the The power supply for the motor protection SLC, DLC controllers, via an circuit must be low voltage, Class 2.
  • Page 12 Min. Max. Maintenance and service work on explosion-proof pumps must be carried out by Grundfos or a service workshop 7 x 4 + 5 x authorised by Grundfos. 21.0 23.0 12.0...
  • Page 13 3.4.2 Frequency converter operation Recommendations In principle, all three-phase motors can be Before installing a frequency converter, calculate the connected to a frequency converter. lowest allowable frequency in the installation in order to avoid zero flow. However, frequency converter operation will often expose the motor insulation system to a heavier load •...
  • Page 14 3.4.3 Sensors The motor-protective circuit breaker of the The SE, SL pumps, 9-30 kW, can be equipped with a pump controller must include a circuit variety of switches and sensors for protection. The which automatically disconnects the power specification table below shows which switch and supply in case the protective circuit for the sensor types can be used for which pump types.
  • Page 15 The bearing temperature monitoring IO 113 system is only available as an option. The IO 113 module forms the interface between a Grundfos sewage and wastewater pump with The sensor resistance is analogue and digital sensors and the pump •...

  • Page 16: Starting Up The Product

    4. Starting up the product 5. Handling and storing the product 5.1 Handling the product Before the first startup and after a long standstill period, make sure that the pump Before handling the product, check the following has been filled with pumped liquid. points: Proceed as follows: •...

  • Page 17: Product Introduction

    6. Product introduction 6.2 Applications SE, SL pumps, 9-30 kW, are designed primarily for 6.1 Product description pumping the following liquids: • raw sewage with short and long fibres and particles in municipal and industrial wastewater systems • sludge with dry-solids content of up to 3 % for ®...

  • Page 18: Approvals

    7. Approvals The explosion-proof versions have been approved by FM Approvals according to the ATEX directive and IEC standards. 7.1 Explanation of Ex approval The SE, SL 9-30 kW pumps have the following explosion protection classification: ATEX: Direct-drive pump: CE 0344 II 2 G Ex h db IIB T4 Gb IP68 Pump driven by frequency converter: CE 0344...

  • Page 19: Potentially Explosive Environments

    7.2 Potentially explosive environments 7. Make sure the permanently attached Use explosion-proof pumps for applications in cable is suitably mechanically potentially explosive environments. See section protected and terminated in a suitable 7.1 Explanation of Ex approval. terminal board. 8. Keep ethylene propylene rubber The pump must not be used to pump insulated cables out of direct sunlight explosive, flammable or combustible...

  • Page 20: Identification

    7.4 Identification 7.4.1 Nameplate All pumps can be identified by means of the nameplate on the motor top cover. See fig. 11. CE0344 FM14ATEX0002X II2G Ex h db llB T4, T3 Gb Ta = -20°C to +40°C Type: SE1.95.150.185.4. 52H.C.EX.51D Model: 9817485300000001 P.c.
  • Page 21 7.4.2 Type key Code Explanation Designation Example: SL1.110.200.245.4.52.M.S.EX.6.1G Cast iron pump Code Explanation Designation housing; cast iron impeller; cast iron motor Material code for Sewage pump with housing impeller, pump cooling jacket and motor Pump type Cast iron pump Sewage pump without housing housing;...

  • Page 22: Servicing And Maintaining The Product

    The maintenance and service work on the shaft by hand). Replace defective ball explosion-proof pumps must be carried out by Grundfos or a service workshop bearings. A general overhaul of the pump is authorised by Grundfos. usually required in case of defective ball bearings or poor motor function.

  • Page 23: Checking And Changing The Motor Liquid

    8.1 Checking and changing the motor There must be a minimum of 10 % air in liquid the seal housing due to thermal expansion of the motor liquid during operation. Clean the outside of the pump at regular intervals in order to retain the heat The motor liquid level can be checked by removing conductivity.
  • Page 24 8.1.2 Pump with cooling jacket (SE pumps) Draining motor liquid The cooling system has four plugs as shown in figs Tip the pump to horizontal position so that plug D is and 16. pointing downwards. See fig. 16. Place a container under the pump to collect all the drained-off motor Plug A is used for filling motor liquid when the pump liquid.

  • Page 25: Inspecting And Adjusting The Impeller Clearance

    8.2 Inspecting and adjusting the impeller 8.2.1 Adjustment of impeller clearance clearance 1. Loosen the set screws by two full turns each. 2. Close the impeller clearance by lightly tightening the fastening screws diagonally until the impeller Check the impeller clearance every time touches the pump housing.

  • Page 26: Explosion-Proof Se, Sl Pumps, 9-30 Kw

    In the event of subsequent repairs, the existing plate If you request Grundfos to service the product, must be replaced by a new updated plate and earlier contact Grundfos with details about the pumped markings must be recorded.

  • Page 27: Fault Finding

    9. Fault finding DANGER Before attempting to diagnose any fault, - read and observe the safety instructions Electric shock in section 8. Servicing and maintaining Death or serious personal injury product. - Before starting any work on the product, - make sure that all rotating parts have make sure that the power supply has stopped moving.
  • Page 28 Fault Cause Remedy The pump starts, but stops The pump is clogged which Clean the pump. immediately. causes the motor-protective circuit breaker to trip. The motor is overheated Allow the pump to cool. Clean the which causes the thermal pump. switches to trip.

  • Page 29: Technical Data

    10.3 Motor liquid be in the range from -20 to 40 °C. The motor is factory-filled with Grundfos motor liquid For non-explosion proof pumps, the ambient SML3 which is frost-proof down to -20 °C. The motor temperature may exceed 40 °C for a short period...

  • Page 30: Sensor Overview

    11. Sensor overview Sensor, Sensor, Sensor, Sensor, Standard Standard version 1 version 2 version 1 version 2 Fig. Fig. Fig. Fig. Fig. Fig. Thermal switches or PTC ● ● ● ● ● ● Moisture switch, top ● ● ● ● ●...

  • Page 31: Standard (Ex)

    Thermal switches 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. See also end-of-life information on www.grundfos.com. Moisture or leakage switch Fig. 19 Sensor version 1, non-Ex.
  • Page 32 Appendix Wiring diagrams Fig. 1 12-wire...
  • Page 33 Fig. 2 8-wire...
  • Page 34 Fig. 3 Sensor positions...
  • Page 36 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
  • Page 37 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
  • Page 38 98142266 0718 ECM: 1235984 www.grundfos.com...

This manual is also suitable for:

Sl seriesSe1.95.150.185.4.52h.c.ex.51dSl1.110.200.245.4.52.m.s.ex.6.1g

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