Grundfos SEG Series Instructions Manual
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Grundfos SEG Series Instructions Manual

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GRUNDFOS INSTRUCTIONS
SEG
0.9 - 4.0 kW ~ 60 Hz
Installation and operating instructions

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  • Page 1 GRUNDFOS INSTRUCTIONS 0.9 - 4.0 kW ~ 60 Hz Installation and operating instructions...

  • Page 2: Table Of Contents

    English (GB) Installation and operating instructions Original installation and operating instructions Warning Prior to installation, read these installation CONTENTS and operating instructions. Installation and Page operation must comply with local regulations and accepted codes of good Symbols used in this document practice.

  • Page 3: General Description

    The pumps can be controlled via the Grundfos LC, The compact design makes the pumps suitable for LCD 107, LC, LCD 108, LC, LCD 100 pump both temporary and permanent installation. The controllers or the Grundfos CU 100 control box.

  • Page 4: Delivery And Handling

    3. Delivery and handling The pump may be transported and stored in a vertical or horizontal position. Make sure that it cannot roll or fall over. 3.1 Transportation All lifting equipment must be rated for the purpose and checked for damage before any attempts to lift the pump.

  • Page 5: Identification

    Rated voltage, Δ Rated current, Y Cos φ, 1/1 load Rated voltage, Y Starting capacitor [μF] Net weight [kg] Run capacitor [μF] Insulation class / temperature rise Frequency [Hz] Place of production Electrical safety* Grundfos logo Approval For USA and Canada...

  • Page 6: Type Key

    Warning plate for Ex pumps (FM) 4.2 Type key The type key covers the entire Grundfos SEG range of wastewater pumps. This is why the type key has a number of empty fields for the grinder pumps. Each SEG grinder pump is identified by means of the type key below. Please note that not all combination options are available.

  • Page 7: Approvals

    5. Approvals 6. Safety The standard versions of SEG 60 Hz pumps have Warning been approved by CSA and the explosion-proof Pump installation in pits must be carried version holds a CSA and FM type examination out by specially trained persons. certificate no.: 3053414 (USA), 3053414C (Canada).

  • Page 8: Potentially Explosive Environments

    150 °C and must guarantee the disconnection of the We recommend to always use Grundfos Caution accessories to avoid malfunctions due to power supply; the power supply must be reset manually.

  • Page 9: Installation On Auto Coupling

    7.1 Installation on auto coupling Warning Pumps for permanent installation can be mounted on Grease the gasket of the guide claw before a stationary auto-coupling guide rail system or a lowering the pump into the pit. hookup auto-coupling system. Note When the pump has reached the auto- Both auto-coupling systems facilitate maintenance coupling base unit, shake the pump by...

  • Page 10: Free-Standing Submerged Installation

    Float switches used in potentially explosive environments must be approved for this application. They must be connected to the Grundfos LC, LCD 108 pump controller via the intrinsically safe LC-Ex4 barrier to ensure a safe circuit.

  • Page 11: Wiring Diagrams

    • a control box with motor-protective circuit breaker, such as a Grundfos CU 100 control box • a Grundfos LC, LCD 107, LC, LCD 108 or LC, LCD 110 pump controller. See fig. and the installation and operating instructions for the selected control box or pump controller.

  • Page 12: Pump Controllers

    10 cm above the start for this application. level switch; however, the alarm must always be They must be connected to the Grundfos given before the liquid level reaches the inlet pipe DC, DCD and LC, LCD 108 pump to the pit.

  • Page 13: Thermal Switches

    9. Start-up 8.4 Thermal switches All SEG pumps have two sets of thermal switches Warning incorporated in the stator windings. Before starting work on the pump, make Thermal switch, circuit 1 (T1-T3), breaks the circuit sure that the fuses have been removed or at a winding temperature of approx.

  • Page 14: Operating Modes

    9.2 Operating modes S1, continuous operation In this operating mode, the pump can run The pumps are designed for intermittent operation continuously without having to be stopped for (S3). When completely submerged, the pumps can cooling. Being completely submerged, the pump is also run continuously (S1).

  • Page 15: Maintenance And Service

    Warning Except for service on the pump parts, all other service work must be carried out by Grundfos or a service workshop authorised by Grundfos. Flush the pump thoroughly with clean water before maintenance and service. Rinse the pump parts in water after dismantling.

  • Page 16: Inspection

    A possible replacement of the cable must 1. Remove both oil screws to allow all the oil to Note be carried out by Grundfos or a service drain from the chamber. workshop authorised by Grundfos. 2. Check the oil for water and impurities. If the shaft •...

  • Page 17: Checking The Shaft Seal

    Oil filling, pump in upright position 5. Remove the grinder ring (44). 1. Place the pump on a plane, horizontal surface. 6. Insert the punch into the hole to hold the impeller to prevent it movement during removal. 2. Fill oil into the oil chamber through one of the holes until it starts running out of the other hole.

  • Page 18: Service Kits

    1 litre of oil, type Shell Ondina X420. See section All types 96586753 10. Maintenance and service for required quantity in oil chamber. A possible replacement of the cable must Note be carried out by Grundfos or a service workshop authorised by Grundfos.

  • Page 19: Contaminated Pumps

    If a pump has been used for a liquid which is injurious to health or toxic, the pump will be classified as contaminated. If Grundfos is requested to service the pump, Grundfos must be contacted with details about the pumped liquid, etc. before the pump is returned for service.

  • Page 20: Fault Finding

    11. Fault finding Warning All regulations applying to pumps installed in potentially explosive environments must be observed. Make sure that no work is carried out in potentially explosive atmosphere. Warning Before attempting to diagnose any fault, make sure that the fuses have been removed or the mains switch has been switched off.

  • Page 21: Technical Data

    Class 1, division 1, group C and D, T4/T3C, IP68. Insulation class F (155 °C). Pump curves Pump curves are available at www.grundfos.com. The curves are to be considered as a guide. They must not be used as guarantee curves. Test curves for the supplied pump are available on request.
  • Page 22 Appendix Dimension tables Fig. 1 Installation on hookup auto-coupling...
  • Page 23 Fig. 2 Installation on auto-coupling...
  • Page 24 Power [kW] 0.9 and 1.2 1.5 (1-phase) SEG.(K)40 Min. 1.5 (3-phase) 3.1 and 4.0 Power [kW] Z10a Z12a ZDN1 0.9 and 1.2 3/4" - 1" NPT 2 1.5 (1-phase) 3/4" - 1" NPT 2 SEG.(K)40 1.5 (3-phase) 3/4" - 1" NPT 2 3/4"...
  • Page 25 Fig. 3 Free-standing installation Fig. 4 Free-standing installation with foot extensions Power [kW] 0.9 and 1.2 DN 40 1.5 (1-phase) DN 40 SEG.(K)40 1.5 (3-phase) DN 40 DN 40 3.1 and 4.0 DN 40 Power [kW] SEG.(K)50 DN 50 3.1 and 4.0 DN 50...
  • Page 26 Weight tables Pumps - DN 40 outlet flange Weight [kg] Pumps - K40 outlet flange* Weight [kg] SEG.40.09.2.1.603 48.0 SEG.K40.09... 46.0 SEG.40.09.2.60G/H/M 46.0 SEG.K40.12... 46.0 SEG.40.12.2.1.603 48.0 SEG.K40.15... 48.0 SEG.40.12.2.60G/H/M 46.0 SEG.K40.26... 70.0 SEG.40.15.2.1.603 50.0 SEG.K40.31... 81.0 SEG.40.15.2.60G/H/M 48.0 SEG.K40.40... 81.0 SEG.40.26...
  • Page 27 ‫مية‬ ‫التس‬ 名稱 Designation Descripción Designação 명칭 Pos. 112a Locking ring Anillo de bloqueo Anel de fixação 鎖環 ‫حلق ة زن ق‬ 잠금 링 Bearing Cojinete Rolamento 軸承 베어링 ‫كرس ي تحمي ل‬ 軸承 Bearing Cojinete Rolamento ‫كرس ي تحمي ل‬ 베어링...
  • Page 28 Exploded views 188a 188a 105a 173a 150a 193a 188a 188a 188a 188a Fig. 5 SEG, 0.9 to 1.5kW...
  • Page 29 188a 153a 153b 188a 112a 173a 150a 193a 188a 188a 188a 188a Fig. 6 SEG, 2.6 to 4.0 kW...
  • Page 30 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 31 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 32 98449102 0416 ECM: 1180787 www.grundfos.com...

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