Grundfos SE1 50 Installation And Operating Instructions Manual
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Grundfos SE1 50 Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
SE1 50, 80, 100-SEV 65, 80, 100
all languages
Installation and operating instructions

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Summary of Contents for Grundfos SE1 50

  • Page 1 GRUNDFOS INSTRUCTIONS SE1 50, 80, 100-SEV 65, 80, 100 all languages Installation and operating instructions...
  • Page 3 SE1 50, 80, 100-SEV 65, 80, 100 English (GB) Installation and operating instructions ........5 Български...
  • Page 4 Hướng dẫn lắp đặt và vận hành ........1187 SE1 50, 80, 100-SEV 65, 80, 100...

  • Page 5: Table Of Contents

    The symbols and hazard statements below may 10.3 Cleaning and inspecting the pump ..34 appear in Grundfos installation and operating 10.4 Repairing the product ... . . 34 instructions, safety instructions and service instructions.

  • Page 6: Notes

    Consequence of ignoring the warning • Action to avoid the hazard. 1.3 Notes The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. SE pump Observe these instructions for explosion- proof products.

  • Page 7: Intended Use

    98948763 Made in Tatabánya Hungary 99657185 Type: P.c. Model: Hmax: Qmax: m h / Tmax: °C Insul.class: Cosφ : Motor: P1/P2： IP68 Weight: U.K Importer: Grundfos Pumps ltd Grovebury Road Leighton Buzzard Bedfordshire LU74TL 0197 DK-8850 Bjerringbro, Denmark Nameplate...

  • Page 8: Approvals

    2.4.2 Type key Code Explanation Designation Example: SE1.80.80.40.A.Ex.4.51D.B Cast iron impeller, pump housing and top cover Code Explanation Designation Stainless steel impeller, cast iron pump housing Sewage and wastewater Pump type and top cover pump Entire pump of stainless ® S-tube impeller Pump materials...
  • Page 9 Directive or Code Description standard CE marking of conformity according to the ATEX directive 2014/34/EU. 0344 is CE 0344 the number of the notified body which has certified the quality system for ATEX. = The equipment conforms to harmonised European standard. Equipment group according to the ATEX directive, defining the requirements applicable to the equipment in this group ATEX...

  • Page 10: Potentially Explosive Environments

    2.6 Potentially explosive environments • Use wet cloths for cleaning. 10. The WIO sensor must be used only Use explosion-proof pumps for applications in with a galvanically isolated circuit. potentially explosive environments. 11. The lock nut of the cable connector must only be replaced with an identical SE1 and SEV pumps must under no cir- one.

  • Page 11: Transporting The Product

    For horizontal, dry-installed pumps, a special lifting ‐ Wear protective gloves when opening bracket can be ordered to ease the lifting of the the pump package. pump. See the service instruction on www.grundfos.com. Keep the cable end protectors in storage for later use.

  • Page 12: Installation Requirements

    4. Installation requirements 5. Mechanical installation All safety regulations must be observed at the When mounted on a base stand or brackets, the installation site. pump must be installed outside the pit. An inlet line must be connected to the pump. Prior to installation, check the oil level in the oil chamber.

  • Page 13: Mounting The Product

    The guide rails must not have any axial Always use Grundfos accessories to avoid play as this would cause noise during op- malfunctions due to incorrect installation. eration. 5.1 Mounting the product...
  • Page 14 Proceed as follows: 5.1.2 Free-standing submerged installation 1. Drill mounting holes for the guide-rail bracket on Pumps for free-standing submerged installation can the inside of the pit and provisionally fasten it with stand freely on the bottom of the pit. The pump must two anchor bolts.
  • Page 15 Pos. Description Expansion joint Non-return valve Isolating valve Pipe hanger • If a reducer is fitted between the inlet line and the pump, it must be eccentric. Fit the reducer with the straight edge facing upwards to avoid air pockets in the inlet line. Air in the inlet line may cause cavitation.

  • Page 16: Electrical Connection

    The gasket must be a full face, reinforced paper gasket, such as Klingersil C4300. If softer gasket material is used, torques must be reconsidered. 6. Electrical connection WARNING Electric shock Death or serious personal injury ‐ Before starting any work on the prod- Horizontal dry installation with brackets uct, make sure that the fuses have been removed or the main switch has...
  • Page 17 Grundfos CU 100 • a Grundfos LC 231, LC 241 or DC, DCD pump controller. Pumps with sensor must be connected to a Grundfos IO 113 and one of the following controllers: •...

  • Page 18: Frequency Converter Operation

    6.1 Frequency converter operation Maximum repetitive Maximum dU/dt U 400 V peak voltage In principle, all three-phase motors can be connected [V/μ sec.] to a frequency converter. However, frequency converter operation often 2000 exposes the motor insulation system to a heavier load and causes the motor to be more noisy due to eddy Frequency converter use may reduce the currents caused by voltage peaks.

  • Page 19: Protection And Control Functions

    7.1 Pump controllers that the pump is stopped in case the stop level switch is not operating. The pumps can be controlled by the Grundfos LC 231, LC 241, DC and DCD controllers. The pump must be stopped when the liq-...
  • Page 20 7.1.3 IO 113 Pos. Description IO 113 provides an interface between a Grundfos Terminals for alarm relay wastewater pump equipped with sensors and the pump controller(s). The most important sensor status Terminals for analog and digital inputs and information is indicated on the front cover.

  • Page 21: Switches And Sensors

    7.2 Switches and sensors Explosion-proof pumps All SE1 and SEV pumps have thermal protection The thermal protection of explosion-proof incorporated in the stator windings. pumps must not restart the pump automat- ically. This ensures protection against 7.2.1 Thermal switch, PT1000 and thermistor overtemperature in potentially explosive (PTC) environments.
  • Page 22 WIO sensor Fitting the WIO sensor Fit the sensor next to one of the shaft seal openings. See fig. Jerk direction. The sensor must be tilted into the direction of rotation to ensure that oil is led into the sensor. Make sure that the sensor is submerged in the oil.

  • Page 23: Wiring Diagrams

    7.3 Wiring diagrams 7-core cable The figure below shows the wiring diagrams for SE1, SEV pumps with 7-core cable in three versions, one without sensors and two with WIO sensor and moisture switch. Y&G L1 L2 L3 L1 L2 L3 L1 L2 L3 1 2 3 1 2 3...
  • Page 24 10-core cable The figures below show the wiring diagrams for SE1, SEV pumps with 10-core cable in three versions, one without sensors and two with WIO sensor and moisture switch. Y&G L1 L2 L3 L2 L3 L1 L1 L2 L3 L2 L3 L1 L1 L2 L3 L2 L3 L1 U1 V1 W1 U2 V2 W2 U1 V1 W1 U2 V2 W2...
  • Page 25 Y&G 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 Wiring diagram, 10-core cable, star-connected (Y) Pos. Description Y&G Yellow and green Sensor version with thermal switch, PTC thermistor*, moisture switch and WIO sensor Standard version with thermal switches Sensor version with thermal switch, Pt1000, moisture switch and WIO sensor...
  • Page 26 Y&G 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 Wiring diagram, 10-core cable, delta-connected (D) Pos. Description Y&G Yellow and green Sensor version with thermal switch, PTC thermistor*, moisture switch and WIO sensor Standard version with thermal switches Sensor version with thermal switch, Pt1000, moisture switch and WIO sensor...

  • Page 27: Starting Up The Product

    8. Starting up the product WARNING Crushing hazard Death or serious personal injury ‐ When lifting the pump, make sure your The pump must not run dry. hand cannot get caught between the lifting bracket and the hook. DANGER Dry running can cause ignition hazard. Crushing hazard Death or serious personal injury ‐...

  • Page 28: Operating Mode

    8.1 Operating mode 8.2 Start and stop levels SE1 and SEV pumps are suitable for: The difference between the start and stop levels can be adjusted by changing the free cable length of the • Dry installation without separate motor cooling float switch.

  • Page 29: Checking The Direction Of Rotation

    8.3 Checking the direction of rotation 8.4 Startup Start and let the pump run for a few sec- The pump must not run dry. onds to check the direction of rotation. An arrow on the top cover indicates the correct If the environment is potentially explosive, direction of rotation.
  • Page 30 13. Start the pump and let it run briefly. Check if the liquid level is falling. A correctly vented pump quickly lowers the liquid level. After one week of operation or after replacement of the shaft seal, check the condition of the oil in the chamber.

  • Page 31: Storing The Product

    Maintenance work on explosion-proof pumps must be carried out by Grundfos or an authorised service workshop. However, this does not apply to the hy- draulic components, such as pump hous-...

  • Page 32: Maintenance Schedule

    (turn the shaft by hand). Replace the defective bearings. A general overhaul of the pump is usually required in case of defective ball bearings or poor motor function. This work must be carried out by Grundfos or an authorised service workshop.

  • Page 33: Checking And Changing The Oil

    10.2 Checking and changing the oil WARNING Pressurised system Inspect the oil level and condition every Death or serious personal injury 3000 operating hours or at least once a ‐ The oil chamber may be under year. pressure. Loosen the screws care- When the pump is new or after the re- fully and do not remove them until placement of the shaft seal, check the oil...

  • Page 34: Cleaning And Inspecting The Pump

    10.4 Repairing the product 3. Fit the oil screws with new gaskets. DANGER 10.3 Cleaning and inspecting the pump Electric shock Clean the pump on site at regular intervals in the Death or serious personal injury following way: ‐ Before starting any work on the prod- •...
  • Page 35 10.4.3 Replacing the seal ring and the wear ring Dismantling 1. See section Cleaning or replacing the pump housing. 2. Turn the pump housing (50) upside down. Removing the seal ring Removing the impeller 3. Knock the seal ring (46) out of the pump housing using a punch.
  • Page 36 10.4.4 Replacing the shaft seal Dismantling 1. See section Cleaning or replacing the pump housing. 2. See section Replacing the impeller. 3. Remove the screws (187). 4. Remove the cover for the oil chamber (58) with a puller. 5. Remove the screws (186). 6.

  • Page 37: Spare Parts

    Before returning the product for service, contact Grundfos with details about the pumped liquid. Otherwise, Grundfos can deny to service the product. Any application for service must include details about the pumped liquid. Clean the product in the best possible way before you return it.

  • Page 38: Fault Finding The Product

    11. Fault finding the product Cause Remedy * Applies only to pumps For pumps with sensor, start fault finding by checking with sensor and with IO the status on the IO 113 front cover. See installation 113. and operating instructions for IO 113. DANGER 11.2 The pump operates, but the motor- Electric shock...

  • Page 39: The Pump Operates At Below-Standard Performance And Power Consumption

    11.4 The pump operates at below-standard 11.7 Noisy operation and excessive performance and power consumption. vibrations (SE1). The pump operates at below-standard performance Noisy operation and excessive vibrations (SE1). and power consumption. Cause Remedy Cause Remedy The direction of rotation Check the direction of The impeller is blocked Clean the impeller.

  • Page 40: Technical Data

    12. Technical data 12.1.7 Flow velocity Keep a minimum flow velocity to avoid 12.1 Operating conditions sedimentations in the pipes. Recommended flow velocities: 12.1.1 Operating pressure • in vertical pipes: 0.7 m/s All pump housings have PN 10 outlet flanges. •...

  • Page 41: 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 42 Argentina China Greece Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Hellas A.E.B.E. Ruta Panamericana km. 37.500industin 10F The Hub, No. 33 Suhong Road 20th km. Athinon-Markopoulou Av. 1619 - Garín Pcia. de B.A. Minhang District P.O. Box 71 Tel.: +54-3327 414 444...
  • Page 43 Fax: +66-2-725 8998 Fax: + 370 52 395 431 Москва, RU-109544, Russia Turkey Тел. (+7) 495 564-88-00 (495) 737-30-00 Malaysia GRUNDFOS POMPA San. ve Tic. Ltd. Факс (+7) 495 564 8811 GRUNDFOS Pumps Sdn. Bhd. Sti. E-mail grundfos.moscow@grundfos.com 7 Jalan Peguam U1/25 Gebze Organize Sanayi Bölgesi...
  • Page 44 96046675 112020 ECM: 1299199...

This manual is also suitable for:

Se1 80Se1 100Sev 65Sev 80Sev 100

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