Grundfos SE Series Service Instructions Manual
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Grundfos SE Series Service Instructions Manual

Grundfos SE Series Service Instructions Manual

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SE, SL 9-30 kW
Service instructions
Installation and operating instructions in
English and other languages for 50/60 Hz
http://net.grundfos.com/qr/i/98142266
GRUNDFOS INSTRUCTIONS
Service animation video, YouTube

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  • Page 1 GRUNDFOS INSTRUCTIONS SE, SL 9-30 kW Service instructions Installation and operating instructions in English and other languages for 50/60 Hz Service animation video, YouTube http://net.grundfos.com/qr/i/98142266...

  • Page 2: Table Of Contents

    Consequence of ignoring the warning. Tightening torques and lubricants - Action to avoid the hazard. Overhaul Servicing the product Servicing Grundfos pumps with explosion-proof motors Observe these instructions for explosion-proof General information products. Checking the motor liquid Inspecting the shaft seal...

  • Page 3: Safety

    2. Safety 4. Storing and handling the pump Installation of pumps in pits must be carried out by 4.1 Handling the pump specially trained persons. The SE, SL 9-30 kW pump weighs between 290 and 690 kg Work in or near pits must be carried out according to without accessories.
  • Page 4 4.1.2 Installation types S, C and D 4.1.3 Installation type H Installation type H can be lifted by a hole in the flange and the front lifting point. See fig. 2. Always handle the pump by means of the correct lifting points.

  • Page 5: Storing The Pump

    4.1.4 Raising the pump to upright position 4.2 Storing the pump 1. Fasten the lifting equipment as shown in the figure below. For further information, see the installation and operating instructions for SE, SL 9-30 kW. The installation and operating instructions are accessible via the QR code andthe link on the front page of this document.

  • Page 6: Service Tools

    6. Service tools Standard tools Special tools Pos. Designation Description Part number Pos. Designation Description Part number Molex plug removal Circlip range SV2117 Locking-ring pliers 70147723 tool 122-400 mm Refractometer 98676968 Shaft seal 98565931 protection tool Service tool, cable 98761439 entry 7.

  • Page 7: Overhaul

    Position numbers of parts (numbers in brackets) refer complete overhaul of the pump is usually required. to section Drawings. Position numbers of tools This work must be carried out by Grundfos or an authorised (letters in brackets) refer to section 6. Service tools.

  • Page 8: Checking The Motor Liquid

    9.3 Checking the motor liquid 9.5 Changing the motor liquid You can check the ingress level of the media in the motor liquid. When the pump is new or after replacement of the shaft seal, check the motor liquid level and water content after one week of When using a refractometer (C), the refractive index will show the operation.
  • Page 9 Filling with motor liquid, vertical installation Filling with motor liquid, vertical installation: 1. Place the pump vertically. 1. Remove plug A and B on both sides. This makes it possible to get the trapped air out while filling. See fig. 10. 2.

  • Page 10: Inspecting And Adjusting The Impeller Clearance

    9.6 Inspecting and adjusting the impeller clearance 9.7 Dismantling the pump Before dismantling the pump DANGER • Switch off the power supply. Electric shock • Close the isolating valves, if fitted, to avoid draining the piping Death or serious personal injury system.
  • Page 11 Dismantling the cable entry 9.7.4 Removing the upper bearing bracket 1. Place the service tool for cable entry (E) in a vice. 1. Remove the screws (183). 2. Mount the cable entry (168) in the service tool for cable entry 2.

  • Page 12: Assembling The Pump

    9.7.8 Removing the impeller 9.7.13 Removing the upper seal housing (only SL) 1. Remove the outer screws (26). 1. Remove the screws (182b). 2. Lift the pump including the impeller out of the pump housing 2. Remove the upper seal housing (58). Use a soft hammer very (50).
  • Page 13 9.8.1 Fitting the bearings 9.8.7 Fitting the shaft seal 1. Heat the new upper ball bearing (154) to 120 °C, and fit it on 1. Make sure the O-rings are fitted on the shaft seal housing. If the rotor (172). the seal is to be fitted on an SE pump, remember the O-ring (106).
  • Page 14 9.8.9 Fitting the lower seal housing 9.8.15 Fitting the cable 1. Mount the shaft seal protection tool (D), if not fitted already. Assembling the cable entry 2. Fit the lower seal housing (77) on the upper seal housing (58). 1. Place the service tool for cable entry (E) in a vice 3.

  • Page 15: Electrical Connection

    Fitting the cable 10. Electrical connection 10. Fit the cable entry on the motor cover, and fit the screws 10.1 Motor protection (181a). 11. Tighten the screws to 70 ± 4 Nm. Galvanic separation Double-insulated sensors for all measurements of high voltages ensure the electrical safety.
  • Page 16 10.1.2 Thermal switches Installation of the leakage switch During the installation of the leakage switch (521) on Ex pumps The thermal protection against overheating is made with additional safety precautions must be taken. thermistors and with PTC as optional. The three thermal switches that are hard wired from pump to IO 113 unit will open if the stator The reason for this is to avoid the safety distance between the windings become too hot.
  • Page 17 The PVS 3 sensor is intended for use in medium- and large-size IO 113 provides the interface between the pump equipped with Grundfos wastewater products. sensors and the pump controller(s). The most important sensor status information is indicated on the front panel.

  • Page 18: Startup

    14. After one week of operation or after replacement of the shaft 11. Startup seal, check the condition of the motor liquid in the seal housing. Do not start the pump if the liquid start level is lower For pumps without sensor, this is done by taking a sample of than the stop level or if the atmosphere in the pit is the liquid.

  • Page 19: Refractive Index

    SE 2- and Media ingress Refractive SL 6-pole SE 6-pole RM5418 RM0350 4-pole 4-pole in % index 5.4 litres 14.1 litres Grundfos HTF Demineralised 4.5 litres 12.8 litres transfer fluid water Amount of Amount of Amount of Amount of Percentage Percentage Percentage...

  • Page 20: Wiring Diagrams

    14. Wiring diagrams Optional Fig. 25 Wiring diagram, 8-wire EMC cable DELTA STAR Optional Fig. 26 Wiring diagram, 12-wire standard cable...

  • Page 21: Connection Of Sensors

    15. Connection of sensors 15.1 Sensor overview Sensor Sensor Sensor Sensor Standard Standard Ex. version 1 version 2 version 1 Ex. version 2 Ex. Fig. Fig. Fig. Fig. Fig. Fig. Thermal switches/PTC ● ● ● ● ● ● Moisture switch, top ●...

  • Page 22: Internal Sensor Wiring

    15.2 Internal sensor wiring Non-Ex versions Sensor version 1 Sensor version 2 Standard Pos. Description Thermal switch wiring (Klixon or PTC) Moisture sensor top Leakage switch Pt1000 stator winding Pt1000 upper bearing Pt1000 lower bearing PVS3 vibration sensor SM113 sensor module Wiring harness (leakage switch) Wiring harness (Pt1000 sensor)
  • Page 23 Ex versions Standard Ex. Sensor version 1 Ex. Sensor version 2 Ex. Pos. Description Thermal switch wiring (Klixon or PTC) Moisture sensor top Leakage switch Pt1000 stator winding Pt1000 upper bearing Pt1000 lower bearing PVS3 vibration sensor SM113 sensor module Wiring harness (leakage switch) Wiring harness (Pt1000 sensor)
  • Page 24 T1 T2 G1 A1 G2 A2 K1 K2 R1 R2 A Y B D1 D2 D3 D4 D5 D6 D7 D8 SM 113 1 2 3 4 5 6 7 8 9 10 11 12 I1 I2 I3 P1 P2 P3 P4 P5 Fig.

  • Page 25: Components And Material Specification

    16. Components and material specification Pos. Component Material The position numbers in the table below refer to the sectional 182b Hexagon head screw Stainless steel drawings on the following pages. 182c Washer Stainless steel Pos. Component Material 182d O-ring Rubber Rivet Stainless steel Hexagon socket head cap screw...

  • Page 26: Drawings

    17. Drawings 190b 181a 157d 176c 164a 157b 105a 157c 184b 187a 150c 150b 173e 173f 150d 182d 182c 182b Fig. 32 Exploded view, SE pump, 2- and 4-pole...
  • Page 27 190b 181a 157d 176c 173g 164a 157b 105a 157c 184b 187a 150c 150b 173e 173f 150d 182d 182c 182b Fig. 33 Exploded view, SE pump, explosion-proof, 2- and 4-pole...
  • Page 28 190b 181a 157d 176c 184b 164a 157b 105a 157c 187a 150c 150b 150d 182d 182c 182b Fig. 34 Exploded view, SE pump, 6-pole...
  • Page 29 190b 181a 157d 176c 184b 173g 164a 157b 105a 157c 187a 150c 150b 173e 173f 150d 182d 182c 182b Fig. 35 Exploded view, SE pump, explosion-proof, 6-pole...
  • Page 30 190b 181a 157d 176c 105a 164a 184b 173e 173f 187a 193a 182d 182c 182b Fig. 36 Exploded view, SL pump, 2- and 4-pole...
  • Page 31 190b 181a 157d 176c 105a 173g 164a 184b 173e 173f 187a 193a 182d 182c 182b Fig. 37 Exploded view, SL pump, explosion-proof, 2- and 4-pole...
  • Page 32 190b 181a 105a 157d 176c 164a 173e 173f 187a 184b 193a 182d 182c 182b Fig. 38 Exploded view, SL pump, 6-pole...
  • Page 33 190b 181a 157d 176c 105a 173g 164a 173e 173f 187a 184b 193a 182d 182c 182b Fig. 39 Exploded view, SL pump, explosion-proof, 6-pole...
  • Page 34 198b 181a 198a 198c 157b 168a 168b 176a 176c Ex pumps Fig. 40 Sectional drawing, SE pump with cooling jacket (2- and 4-pole motors)
  • Page 35 184b 520c 184c 522c 520a 173g 173f 173e 190b 164a 187a 157b 182d 150d 157c 182c 150b 182b 150c 198b 181a 198a 198c 157b 168a 168b 176a 176c Ex pumps 521b 521a 521a 521b 524a Fig. 41 Sectional drawing, SE pump with cooling jacket (6-pole motors)
  • Page 36 198b 181a 198a 198c 157b 168a 168b 176a 176c Ex pumps Fig. 42 Sectional drawing, SL pump without cooling jacket (2- and 4-pole motors)
  • Page 37 520c 184b 184c 522c 520a 173g 173f 173e 182d 182c 190b 187a 182b 164a 198b 181a 198a 198c 157d 168a 168b 176a 176c 521a 521b 524a Ex pumps 521b 521a Fig. 43 Sectional drawing, SL pump without cooling jacket (6-pole motors)
  • Page 38 2- to 4-pole pumps 6-pole pump Fig. 44 Sectional drawing, SE pump, 2 to 6-pole...
  • Page 39 2- to 4-pole pumps 6-pole pump Fig. 45 Sectional drawing, SL pump, 2- to 6-pole...
  • Page 40 Moisture switch (only in Ex pumps) Fig. 46 Sectional drawing showing sensor positions...
  • Page 41 Alignment grooves Alignment grooves Alignment grooves Alignment grooves Fig. 47 Alignment grooves...
  • Page 43 BOMBAS GRUNDFOS DO BRASIL Turkey Siu Wai Industrial Centre GRUNDFOS Pumper A/S Av. Humberto de Alencar Castelo Branco, GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Strømsveien 344 Gebze Organize Sanayi Bölgesi CEP 09850 - 300...
  • Page 44 98248406 1117 ECM: 1212951 www.grundfos.com...

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