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Grundfos SE1 Service Instructions Manual
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Grundfos SE1 Service Instructions Manual

Grundfos SE1 Service Instructions Manual

60 hz ansi
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GRUNDFOS INSTRUCTIONS
SE1, SEV 1.5-15 hp
60 Hz ANSI
Service instructions

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Summary of Contents for Grundfos SE1

  • Page 1 GRUNDFOS INSTRUCTIONS SE1, SEV 1.5-15 hp 60 Hz ANSI Service instructions...
  • Page 3 SE1, SEV 1.5-15 hp English (US) Service instructions ............... . 4...

  • Page 4: Table Of Contents

    Nameplate ....... 5 14.1 SE1 ........33 Type key .

  • Page 5: Transporting The Product

    Thermal protection For horizontal, dry-installed pumps, a special lifting bracket can be US Explosion protection certificate number ordered to ease the lifting of the pump. See the service instruction on www.grundfos.com. CA Explosion protection certificate number Ambient temperature 4. Identification 4.1 Nameplate...

  • Page 6: Type Key

    4.2 Type key The pump can be identified by the type designation stated on the nameplate. Example: SE1.30.A40.100.A.EX.4.61R.B Code Explanation Designation Sewage and wastewater pump Pump type ® S-tube impeller Impeller type SuperVortex impeller Maximum solids size [3" (DN80)] Pump passage Nominal diameter [4"...

  • Page 7: Service Sledge

    5.2 Service sledge Pump to be installed Pump passage Power Pump/Impeller type Pump outlet [in] Poles Service sledge product number [in] [Hp] 98827089 98902585 98902589 98827090 9890282 9890283...
  • Page 8 Pump to be installed Pump passage Power Pump/Impeller type Pump outlet [in] Poles Service sledge product number [in] [Hp] 9890286 9890287 98827091 9890288 9890289...

  • Page 9: Horizontal Bracket Installation

    5.3 Horizontal bracket installation Pump to be installed Pump/Impeller type Pump passage [in] Pump outlet [in] Power [Hp] Poles Horizontal bracket product number 98902621 98902622 98902623...
  • Page 10 Pump to be installed Pump/Impeller type Pump passage [in] Pump outlet [in] Power [Hp] Poles Horizontal bracket product number 98902625 98902626 98902628 98902630...

  • Page 11: Lifting Tools

    Part number Crane for service sledge 98902631 5.5 Seal ring mounting tool Mounting tool for seal ring Related information 11.9 Fitting the seal ring and wear ring (SE1) Ø20 Puller beam Threaded rod Puller tool, DN 50 Puller tool, DN 80...

  • Page 12: Tightening Torques And Lubricants

    6. Tightening torques and lubricants Torque Pos. Designation Quantity Dim. [ft-lb (Nm)] Screw 8.85 ± 1.5 (12 ± 2) 14.75 ± 1.5 (20 ± 2) 118a Screw 22.15 ± 2.2 (30 ± 3) Screw 2.95 ± 0.74 (4 ± 1) 7-core cable 36.88 ±...
  • Page 13 All pumps are supplied with 49 ft (15 m) cable and a free cable end. liquid level reaches the bottom of the inlet pipe. Pumps with sensor must be connected to a Grundfos IO 113 and one of the following controller type is recommended: •...

  • Page 14: Pump Controllers

    Output current: 3.4 - 22 mA 7.2 Pump controllers Power input: 0.6 W SE1 and SEV pumps can be connected to the following Grundfos pump controllers for level control: Ambient temperature: 32-158 °F (0-70 °C) • LC 231 or LC 241 See also the installation and operating instructions for IO 113 on •...

  • Page 15: Frequency Converter Operation

    If the motor is operated by a frequency converter, the the selected frequency converter. temperature class of the explosion-proof pumps must be All SE1/SEV pump types are designed for frequency converter operation to keep power consumption at a minimum. To avoid sedimentation in the pipes, operate the speed-controlled pump at a flow rate above 3.28 ft/s (1 m/s).

  • Page 16: Wiring Diagrams

    7.8 Wiring diagrams WARNING Electric shock Death or serious personal injury ‐ Make sure the earth and phase conductors are not mixed up. Make sure the earth conductor is connected first. Make sure that the product is earthed properly. The pumps are supplied with either a 7- or a 10-core cable. See the wiring diagrams below. Y&G L1 L2 L3 L1 L2 L3...
  • Page 17 Y&G L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 Wiring diagram, 10-wire cable, Star/Delta (Y/D) connected Position...
  • Page 18 Y&G L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 Wiring diagram, 10-wire cable, Star-connected (Y) Position Description Y&G...
  • Page 19 Y&G L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2 Wiring diagram, 10-wire cable, Delta-connected (D) Position Description Y&G...
  • Page 20 7.8.1 SE dual voltage concept To standardize the SE product portfolio, a 61R voltage variant is available. It is a dual-voltage (230 V / 460 V), three phase, 60 Hz Direct-On-Line (DOL) connected motor. • Connect 230 V pumps using the low-voltage (delta) connection. •...

  • Page 21: Maintenance

    This work must be carried out by Grundfos or an authorized service workshop. Bearings are lubricated for a lifetime. Defective bearings may reduce the Ex safety.

  • Page 22: Oil Check And Change

    8.2 Oil check and change 8.2.2 Draining of oil Proceed as follows: Inspect the oil level and condition every 3000 operating 1. Place the pump on a plain surface with one oil screw pointing hours or at least once a year. When the pump is new or downwards.

  • Page 23: Cleaning And Inspecting The Pump

    In case the 6 (9) pump cable is longer than 10 m, contact Grundfos for correct values. Sensors can be checked by using the Grundfos Test Box or a multimeter. Pump with Pt1000 sensor 8.4.1 Checking with Test Box Pos.

  • Page 24: Disassembly

    Pos. Description Pump Internal +15 V 10-c 10-core cable Thermal switch Moisture switch Pt1000 and thermistor Value Response IO 113 ● ● 400 Ω ● ● > 3000 Ω Alarm PTC sensor Loosening the cable plug Value Response IO 113 3.

  • Page 25: Removing The Wio Sensor

    (522). Place the sensor inside the stator (48). 7. Remove the O-rings (109 and 108). Related information 8.1 Servicing Grundfos pumps with explosion-proof motors 9.9 Removing the bearings 1. Pull out the lower bearing retainer (60) including the lower bearing (153).

  • Page 26: Removing The Sleeve

    The product is classified as contaminated if it is used for contagious or toxic liquid. Contact Grundfos with details about the pumped liquid before returning the product for service. Otherwise, Grundfos can refuse to accept the product. Any application for service must include details about the pumped liquid.

  • Page 27: Assembly

    (173) and washer (173a). 10. Fit the pin housing (176) and the plug protector (177). Related information 8.1 Servicing Grundfos pumps with explosion-proof motors 11.2 Fitting the stator housing 1. Place the motor in horizontal position on wooden bars. 2. Fit the moisture switch in the stator housing (55), if any.

  • Page 28: Fitting The Sleeve

    6. Fit the sleeve (150) and knock with a hammer and a wooden block if needed. Related information 8.1 Servicing Grundfos pumps with explosion-proof motors 11.4 Fitting the shaft 1. Place the motor housing horizontally with a crane. 2. Fit the corrugated spring (158) into the stator housing (55). It Position of disc springs and the rubber bush may need to be kept in position with a small amount of grease.

  • Page 29: Fitting The Moister Switch

    11.7.1 Adjusting clearance of the moister switch Moisture switch parts Fitting the WIO sensor Pos. Description Plastic frame Pos. Description Shaft Rotation stop Adjustment 1. Fit the spring discs and the rubber bush on the sensor cable. Spring 2. Pull the sensor cable through the intermediate flange (155). Expanding washer 3.

  • Page 30: Fitting The Seal Ring And Wear Ring (Se1)

    Related information 8.1 Servicing Grundfos pumps with explosion-proof motors 8.2 Oil check and change 11.9 Fitting the seal ring and wear ring (SE1) 1. Lubricate the seal ring (46) with oil. 2. Place the seal ring in the pump housing (50). 3. Fit the seal ring (46) in the pump housing (50).

  • Page 31: Fitting The Cable

    5. Fit the washer (183a) and screw (183). Electric shock Related information Death or serious personal injury ‐ 8.1 Servicing Grundfos pumps with explosion-proof motors Before starting up the product for the first time, check the power cable for visible defects to avoid short 12. Startup circuits.

  • Page 32: Fault Finding

    12.1.2 SEV pumps For further information, see the installation and operating 1. Remove the pump from the system. instructions for SE1, SEV 1.5 - 15 hp. 2. Check that the impeller can rotate freely. Turn the impeller by hand. Installation and Operating Instructions 3.

  • Page 33: Drawings

    14. Drawings 14.1 SE1 190b 183a 150a 173a 184a 153b 188a ® Sectional drawing, SE1 pump with S-tube impeller, sensor version...
  • Page 34 190b 183a 174a 524a 153b 193a 173a 150a 184a 520a 188a 520b 37 a 37 a ® Exploded view, SE1 pump with S-tube impeller, sensor version...

  • Page 35: Sev

    14.2 SEV 190a 183a 150a 173a 184a 153b 188a Sectional drawing, SEV pump with SuperVortex impeller, sensor version...

  • Page 36: Material Specification

    190b 183a 174a 524a 153b 173a 193a 150a 184a 188a Exploded view, SEV pump with SuperVortex impeller, sensor version 14.3 Material specification Standard variant (cast iron) Material declaration: DIN W.-Nr./ Pos. Designation Material EN standard Tubular pin Stainless steel EN 1.4301 Lock washer Stainless steel EN 1.4401...
  • Page 37 DIN W.-Nr./ Pos. Designation Material EN standard Seal ring, inlet Stainless steel EN 1.4301 Stator package SuperVortex impeller Cast iron EN-GJL-250/ ® Cast iron EN-GJL-250 S-tube impeller Wear ring Stainless steel EN 1.4301 Pump housing Cast iron EN-GJL-250 Stator housing Aluminium EN AB-AISi 10 Mg Cover for oil chamber...
  • Page 38 DIN W.-Nr./ Pos. Designation Material EN standard Bracket for WIO sensor Rubber bush NBR rubber 524a Disc Springs Grey cast iron is manufactured according to EN 1561:1997. Cast stainless steel is manufactured according to EN 10283:2010. Conversion to other standards such as AISI/ASTM is normative, and products are not manufactured according to these. 14.3.1 Material variants Material Variant Position...

  • Page 39: Sensor Positions

    14.4 Sensor positions Sensor positions Pos. Description Water-in-oil sensor (WIO) Positioning area of the WIO sensor Moisture switch Thermistor, Pt1000 or thermal switch are factory-braided inside the stator windings.
  • Page 40 Fax: +36-23 511 111 Albany, Auckland Tel.: +64-9-415 3240 Turkey Canada India Fax: +64-9-415 3250 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. GRUNDFOS Canada inc. GRUNDFOS Pumps india Private Limited Gebze Organize Sanayi Bölgesi Norway 2941 Brighton Road 118 Old Mahabalipuram Road...
  • Page 41 93135814 02.2024 ECM: 1388406 www.grundfos.com...

This manual is also suitable for:

Sev 1.5-15 hp