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GRUNDFOS INSTRUCTIONS
UNOLIFT, DUOLIFT
Installation and operating instructions

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Summary of Contents for Grundfos UNOLIFT Series

  • Page 1 GRUNDFOS INSTRUCTIONS UNOLIFT, DUOLIFT Installation and operating instructions...
  • Page 2: Table Of Contents

    Original installation and operating instructions Level sensor tube These installation and operating instructions Operating the product describe Grundfos Unolift and Duolift lifting stations. Setting the start levels They apply to the tank and installation kits. For Starting up the product after standstill 19...
  • Page 3: Receiving The Product

    CAUTION If Grundfos is requested to service the pump, it must Back injury be cleaned before it is returned. Minor or moderate personal injury...
  • Page 4 Pump connecting pipes Pump connecting pipes Quantity Quantity Designation Designation Nut, M16, for Adapter, flange Rp 2 - R 1 1/2 O-ring, ∅50, for flange Double nipple, R 2 - R 2 Unilift KP: Double nipple Nut, PVC, 2" Unilift CC: Adapter O-ring, ∅60, 1 1/2"...
  • Page 5: Installing The Product

    3. Installing the product Accessories We recommend the following accessories. 3.1 General guidelines Outlet pipe The guidelines for correct mechanical installation of lifting station are according to EN 12056-4. Quantity • If the lifting station is installed in a basement with recurrent penetration of groundwater, we Unolift Duolift...
  • Page 6: Mechanical Installation

    3.2 Mechanical installation 3.2.2 Location Install the lifting station in a properly lit and vented 3.2.1 Tank inlets room with 60 cm free space around all parts to be We recommend that you connect the inlet pipes to serviced and operated. the top inlets of the tank.
  • Page 7: Tools

    3.3 Tools 3.6 Installing the tank • Thread tape Fix the tank to the floor to prevent uplift and twist. Use the mounting brackets to fix the tank with • glue. screws. Not supplied with the product: • drilling machine drilling bits: ∅20, ∅25 •...
  • Page 8: Fitting The Cable Glands

    3.8 Fitting the cable glands 3.10 Connecting the vent pipe Choose the appropriate cable gland: The vent pipe is not supplied with the product. You can connect your vent pipe to the vent port in Cable gland for Unilift pumps: three different ways: Cable gland for SEG pumps: •...
  • Page 9: Installing The Pump

    3.12 Installing the pump Pumps with float switches Adjust the cable length of the float switch before you install the pump. See section 7.1.2 Setting the start levels with float switches. 1. Remove the plug from the pump cable. You may need to cut the cable.
  • Page 10: Installing The Pump Connecting Pipes

    3.13 Installing the pump connecting pipes 3.13.1 Cutting the flexible tube The connecting pipes are supplied with a flexible tube of ∅50. Cut the tube to a length according to the table below. Tube length Pump type [mm] Unilift CC Unilift KP Not to be cut Unilift APB...
  • Page 11 Fig. 13 Unilift AP35B, AP50B Fig. 14...
  • Page 12: Installing The Level Sensor Tube

    3.14 Installing the level sensor tube If your pump is not equipped with a float switch, you must install a level sensor tube in the tank. 1. Fix the level sensor tube to the brackets inside the tank. The locking ring of the tube must be under the top bracket to prevent the tube from rising with the water level.
  • Page 13 Fig. 17 Duolift CC, KP* Fig. 18 Unolift CC, KP* Fig. 19 Duolift APB, SEG** Fig. 20 Unolift APB, SEG** The Unilift CC pump is supplied with a non-return valve. ** The adapter Rp 2 - R 1 1/2 for Duolift SEG is not shown on the drawing.
  • Page 14: Installing A Diaphragm Pump

    Death or serious personal injury - The product must be connected to an external main switch with a minimum contact gap of 3 mm (0.12 inch) in all poles. http://net.grundfos.com/ http://net.grundfos.com/ qr/i/98503252 qr/i/98503253 3.19.1 Connecting the pump Connecting the pump to a power socket 1.
  • Page 15: Starting Up The Product

    4. Starting up the product 6. Product introduction 4.1 Starting up a product with a controller 6.1 Product overview Make sure that the controller is set correctly. See section 3.20 Setting the controller before startup. 1. Make sure that all pipes and connections are tight.
  • Page 16: Applications

    6.2 Applications 6.5.2 Nameplate The lifting station is designed for pumping grey and black wastewater from family houses and commercial buildings where the liquid cannot be led directly to the sewer due to lack of a natural DK - 8850 Bjerringbro, Denmark downward slope.
  • Page 17: Operating The Product

    LC 220 LC 221 levels in relation to the inlet height and pipe configuration. You can select all the values with LC 221. With LC 220, you can select the lowest or highest value. http://net.grundfos.com/ http://net.grundfos.com/ qr/i/98503252 qr/i/98503253 Start Start...
  • Page 18 7.1.1 Setting the start levels with a controller We recommend start and stop levels corresponding to a cable length between the minimum and LC 220 maximum values indicated below. Select a start level, either "LOW" or "HIGH", via the DIP switches. The stop and alarm levels are set Cable length (L) automatically according to the selected start level.
  • Page 19: Starting Up The Product After Standstill

    We recommend that you enter a maintenance contract with Grundfos to ensure a consistent operational safety of the system. Regular checks of the system must include the following: •...
  • Page 20: Taking The Product Out Of Operation

    10. Taking the product out of 11. Technical data operation 11.1 Operating conditions WARNING Ambient temperature 0-40 °C Biological hazard 0-40 °C during normal Death or serious personal injury operation. - Wear protective gloves, close the Liquid temperature Maximum 60 °C for 5 isolating valves and drain the tank minutes.
  • Page 21: Fault Finding The Product

    When a product marked with this 2. If this is not possible, contact the nearest symbol reaches its end of life, take it to a Grundfos company or service workshop. collection point designated by the local waste disposal authorities. The separate collection and recycling of such products will help protect the environment and human health.
  • Page 22 Appendix Fig. 1 Unolift 270, Duolift 270...
  • Page 23 Fig. 2 Duolift 540...
  • Page 24 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 25 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 26 98490287 1218 ECM: 1250029 www.grundfos.com...

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