Grundfos SE1 50 Series Service Instructions Manual
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Grundfos SE1 50 Series Service Instructions Manual

Grundfos SE1 50 Series Service Instructions Manual

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SE1 50, 80, 100
SEV 65, 80, 100
1.1 to 11 kW
Service instructions
Installation and operating instructions in
English and other languages for 50 Hz
http://net.grundfos.com/qr/i/96046675
GRUNDFOS INSTRUCTIONS
SE1, SEV without sensor
Service video, YouTube
SE1, SEV with sensor
Service video, YouTube

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Summary of Contents for Grundfos SE1 50 Series

  • Page 1 GRUNDFOS INSTRUCTIONS SE1 50, 80, 100 SEV 65, 80, 100 1.1 to 11 kW Service instructions SE1, SEV without sensor Service video, YouTube Installation and operating instructions in English and other languages for 50 Hz SE1, SEV with sensor Service video, YouTube...

  • Page 3: Table Of Contents

    Seal ring mounting tool Special service tools Observe these instructions for explosion-proof products. Servicing the product Servicing Grundfos pumps with explosion-proof motors General information Annual maintenance A blue or grey circle with a white graphical symbol Checking and changing the oil indicates that an action must be taken.

  • Page 4: Safety

    2. Safety 4. Storing and handling the product Pump installation in pits must be carried out by 4.1 Storing the product specially trained persons. During long periods of storage, the pump must be protected Work in or near pits must be carried out according to against moisture and heat.

  • Page 5: Torques And Lubricants

    6. Torques and lubricants This section shows the screws and nuts that must be tightened to a certain torque and the lubricants to be used. 6.1 Special torques and lubricants Pos. Pump type Description Quantity Size Torque [Nm] Lubricant Screw (clamp) M8 x 70 12 ±...

  • Page 6: Service Tools

    7. Service tools 7.3 Seal ring mounting tool 7.1 Special tools Puller beam Ø20 Threaded rod Puller tool, DN 50 Part Puller tool, DN 80 Pos. Designation Pump type pos. number V7183107 Stator guide V7181333 V7189087 Pin pusher SV2117 7-pole or Puller tool, DN 100 SV2118 10-pole...

  • Page 7: Special Service Tools

    Before carrying out service, make sure that the pump has been thoroughly flushed with clean water. Rinse the pump parts in water after dismantling. 8.1 Servicing Grundfos pumps with explosion-proof motors Only Ex-approved service centres are allowed to intervene in the flameproof enclosure pump.

  • Page 8: Annual Maintenance

    4-pole and that the cable is not sharply bent and/or pinched. See section 9.1 Checking and replacing the cable. 0.55 The cable must be replaced by Grundfos or a service 0.70 workshop authorised by Grundfos. Draining the oil Proceed as follows: •...

  • Page 9: Cleaning And Inspecting The Pump

    10 m, contact Grundfos for correct values. A Grundfos sensor test box can be used for check measuring the sensors. The sensor test box gives the response values by means of LEDs, to indicate if the sensor is ok. See section 8.6.1 Checking by means of a test box.

  • Page 10: Dismantling And Assembling The Product

    Warning Ω +15 V 5 (8) 9. Dismantling and assembling the product Service videos are available as guidance in Grundfos Product Center or YouTube. 6 (9) T = Thermal switch 9.1 Checking and replacing the cable M = Moisture switch Make sure that the cable is not sharply bent or pinched and that the cable sheath has no visual defects.

  • Page 11: Replacing The Pin Housing

    1. See section 9.1.1 Removing the cable. 2. See section 9.4.7 Removing the motor top. The protection sensors must be replaced by Grundfos or an Ex-approved service centre. 3. Remove the earthing screw (173) including the washer (173a). 4. Disconnect the wire pins from the pin housing (176).
  • Page 12 2. Pull the sensor cable up through the intermediate flange 9.3.1 Replacing the thermal switch, Pt1000 or thermistor (155). (PTC) 3. Push the protection sleeve on the sensor cable. In case the thermal switch, Pt1000 or thermistor (PTC) is not operating, even if the pump has cooled down, the stator has been 4.
  • Page 13 Replacing the moisture switch 1. Dismantle the pump, leaving only the stator housing. See section 9.4 Dismantling. 2. Remove the sensor protector (plastic cover). 3. Remove the mounting screw (12) and lock washer (13) from the mounting bracket (1). 4. Pull out the sensor from the stator housing (55). 5.

  • Page 14: Dismantling

    Except for replacement or dismantling of pump housing, shaft seal, impeller, seal ring and wear ring, all other service work must be carried out by Grundfos or an Ex-approved service centre. 9.4.1 Removing the pump housing 1. Loosen the clamp (92).
  • Page 15 9.4.5 Removing the rotor 9.4.8 Removing the sleeve This work must be carried out by Grundfos or an Ex- This work must be carried out by Grundfos or an Ex- approved service centre. approved service centre. 1. See section 9.4.4 Removing the shaft seal.

  • Page 16: Assembling

    9.4.10 Removing the stator This work must be carried out by Grundfos or an Ex- approved service centre. 1. See section 9.4.9 Removing the stator housing. 2. Remove the pin housing (176), using the pin pusher (B). 3. Remove the plug protector (177), using the multiplug pliers (C).
  • Page 17 9.5.2 Fitting the stator housing 9.5.5 Fitting the upper bearing This work must be carried out by Grundfos or an Ex- This work must be carried out by Grundfos or an Ex- approved service centre. approved service centre. 1. Place the motor in horizontal position on wooden bars.
  • Page 18 9.5.9 Fitting the seal ring and wear ring 9.5.10 Fitting the impeller This section applies only to SE1 pumps. 1. Fit the spring (157) and key (9a). 1. Moisten the seal ring (46) with oil. 2. Place the seal ring in the pump housing (50). Keep the key in position while the impeller is fitted.

  • Page 19: Start-Up

    10. Start-up 10.2 Starting up the SEV pump 1. Remove the pump from the system. 2. Check that the impeller can rotate freely. Turn the impeller by The pump must not run dry. hand. 3. Check the condition of the oil in the oil chamber. See also section 8.4 Checking and changing the oil.

  • Page 20: Checking The Direction Of Rotation

    10.3 Checking the direction of rotation Only start and run an unsubmerged pump for a few seconds to check the direction of rotation. An arrow on the top cover indicates the correct direction of rotation. Correct direction of rotation is clockwise when viewed from above.

  • Page 21: Drawings

    12. Drawings 12.1 SE1 190a 183a 150a 173a 184a 153b 188a...
  • Page 22 183a 190a 174a 153b 193a 173a 150a 184a 188a...
  • Page 23 190a 183a 150a 173a 184a 153b 188a...
  • Page 24 183a 190a 174a 153b 193a 173a 150a 184a 188a 520a 520b 3 7 a 3 7 a...

  • Page 25: Sev

    12.2 SEV 190a 183a 150a 173a 184a 153b 188a...
  • Page 26 183a 190a 174a 153b 193a 173a 188a 184a...
  • Page 27 190a 183a 150a 173a 184a 153b 188a...
  • Page 28 183a 190a 174a 153b 173a 193a 150a 184a 188a...

  • Page 29: Position Numbers And Material Specification

    12.3 Position numbers and material specification DIN W.-Nr./ DIN W.-Nr./ Pos. Designation Material Pos. Designation Material EN standard EN standard 183 Screw Stainless steel 6a Pin Stainless steel 1.4301 183a Washer Stainless steel 7a Rivet Stainless steel 1.4301 184 Screw Stainless steel 9a Key Stainless steel...

  • Page 30: Sensor Positions

    12.4 Sensor positions Thermistor, Pt1000 or thermal switch are factory-braided inside the stator windings. Moisture switch Water-in-oil sensor (WIO) Fig. 23 Sensor positions...

  • Page 31: Electrical Data

    12.5 Electrical data 12.5.1 Overview 2-pole motor Cable connection Cable cross- Power, P2 Power, P1 Voltage Conductors/ section Thermal protection plug pins [kW] [kW] 3 x 220-240 Thermal switch 3 x 380-415 Thermal switch 3 x 400-415 Thermal switch 3 x 220-240 Thermal switch 3 x 380-415 Thermal switch...
  • Page 32 4-pole motor Cable connection Cable cross- Power, P2 Power, P1 Voltage Conductors/ section Thermal protection plug pins [kW] [kW] 3 x 220-240 Thermal switch 4 x 380-415 Thermal switch 4 x 400-415 Thermal switch 3 x 220-240 Thermal switch 4 x 380-415 Thermal switch 4 x 400-415 Thermal switch...
  • Page 33 12.5.2 Wiring diagrams 7-core cable Yellow and green Standard version Sensor version Sensor version Thermal switches and moisture Thermal switches, PTC, moisture switch and Thermal switches, Pt1000 resistor, moisture switches* water-in-oil sensor* switch and water-in-oil sensor * Pumps from 4 kW and up sold in Australia and New Zealand are fitted with a PTC thermistor. Fig.
  • Page 34 10-core cable Yellow and green Sensor version Standard version Sensor version Thermal switches, PTC, moisture switch and Thermal switches and moisture Thermal switches, Pt1000 resistor, moisture water-in-oil sensor* switches* switch and water-in-oil sensor * Pumps from 4 kW and up sold in Australia and New Zealand are fitted with a PTC thermistor. Fig.
  • Page 35 Yellow and green Standard version Sensor version Sensor version Thermal switches, PTC, moisture switch and Thermal switches and moisture Thermal switches, Pt1000 resistor, moisture water-in-oil sensor* switches* switch and water-in-oil sensor * Pumps from 4 kW and up sold in Australia and New Zealand are fitted with a PTC thermistor. Fig.
  • Page 39 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 40 96622763 0917 ECM: 1208413 www.grundfos.com...

This manual is also suitable for:

Se1 80 seriesSe1 100 seriesSev 65 seriesSev 80 seriesSev 100 seriesSe1.50.65.22.2 ... Show all

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