Grundfos CRK Series Instructions Manual
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Grundfos CRK Series Instructions Manual

Grundfos CRK Series Instructions Manual

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GRUNDFOS INSTRUCTIONS
CRK, MTR
Installation and operating instructions

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Summary of Contents for Grundfos CRK Series

  • Page 1 GRUNDFOS INSTRUCTIONS CRK, MTR Installation and operating instructions...

  • Page 2: Table Of Contents

    Read this document before installing the These installation and operating instructions product. Installation and operation must describe Grundfos CRK and MTR pumps. comply with local regulations and accepted Sections 1-4 give the information necessary to be codes of good practice.

  • Page 3: Notes

    1.2 Notes 0.37 - 5.5 kW 7.5 - 22 kW The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. Observe these instructions for explosion- proof products. A blue or grey circle with a white graphical symbol indicates that an action must be taken.

  • Page 4: Installing The Product

    3. Installing the product MTR 32, 45 and 64 pumps can only be 3.1 Mechanical installation installed in vertical position. WARNING Moving parts Death or serious personal injury - Tighten the coupling screws to the correct torque. - Install the coupling guards securely to the pump with the screws intended for this purpose.

  • Page 5: Electrical Connection

    The operating voltage and frequency are marked on the pump nameplate. Please make sure that the motor is suitable for the power supply on which it will be used. Single-phase Grundfos motors incorporate a thermal switch and require no additional motor protection. 25 mm Fig. 6...

  • Page 6: Starting Up The Product

    Fig. 8 Terminal box positions 3.3.1 Frequency converter operation Motors supplied by Grundfos All three-phase motors supplied by Grundfos can be connected to a frequency converter. Depending on the frequency converter type, this may cause increased acoustic noise from the motor.

  • Page 7: Product Introduction

    5. Product introduction Pos. Description 5.1 Applications Country of production The Grundfos pumps, types CRK and MTR, are tank Approval marks mounted multistage centrifugal pumps designed for Frequency the following applications: • liquid transfer in machine tools Speed • condensate transfer Rated flow rate •...
  • Page 8 5.3.3 Type key for MTR, MTRE Example MTR E 32 (s) -2 -1 -A -F -A -H UU V Pump type Pump with integrated frequency control Rated flow rate [m All impellers with reduced diameter (applies only to MTR 1s) Number of chambers, see fig.

  • Page 9: Technical Data

    6. Technical data In such cases, it may be necessary to use a motor with a higher rated output. Pump type Minimum liquid temperature [°C] Maximum liquid temperature [°C] (120*) Maximum operating pressure [bar] Enclosure class IP55 IP55 Applies to pump version F. 20 25 30 35 40 45 50 55 60 65 70 75 80 t [°C] 6.1 Ambient temperature...

  • Page 10: Minimum Flow Rate

    The table below shows airborne noise emitted by used at flows below the minimum flow rate. CRK and MTR pumps with motors fitted by Grundfos. The curve below shows the minimum flow rate as a percentage of the nominal flow rate in relation to the liquid temperature.

  • Page 11: Servicing The Product

    8. Servicing the product 8.1 Maintaining the product Pump bearings and shaft seal are maintenance-free. WARNING 8.1.1 Motor bearings Electric shock Motors not fitted with grease nipples are Death or serious personal injury maintenance-free. - Before starting any work on the product, make sure that the power supply has Motors fitted with grease nipples should be been switched off and that it cannot be...

  • Page 12: Filters

    The product will be classified as contaminated if it or toxic. has been used for a liquid which is injurious to health If you request Grundfos to service the product, or toxic. contact Grundfos with details about the liquid before returning the product for service.

  • Page 13: Fault Finding The Product

    10. Fault finding the product CAUTION Toxic liquids WARNING Death or serious personal injury Electric shock - Wear personal protective equipment. Death or serious personal injury - Before starting any work on the product, make sure that the power supply has CAUTION been switched off and that it cannot be accidentally switched on.

  • Page 14: Disposing Of The Product

    This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. 3. See also end-of-life information at www.grundfos.com/product-recycling.
  • Page 15 Appendix CRK and MTR 1s to 20 M6: 13 Nm M8: 31 Nm M10: 62 Nm M5: 2.5 Nm...
  • Page 16 MTR 32, 45, 64 MTR45 MTR64 MTR32 M10 x 2.5: 62 Nm...

  • Page 17: Declaration Of Conformity

    GB: EC/EU declaration of conformity BG: Декларация за съответствие на ЕС/EO We, Grundfos, declare under our sole responsibility that the products Ние, фирма Grundfos, заявяваме с пълна отговорност, че CRK, MTR, to which the declaration below relates, are in conformity продуктите...
  • Page 18 Standard used: EN 809:1998, A1:2009 – Ecodesign Directive (2009/125/EC). Electric motors: Commission Regulation No 640/2009. Applies only to three-phase Grundfos motors marked IE2 or IE3. See motor nameplate. Standard used: EN 60034-30:2009. Water pumps: Commission Regulation No 547/2012. Applies only to water pumps marked with the minimum efficiency index MEI.
  • Page 19 Руководство по эксплуатации ЕАС « »: « » « ».
  • Page 20 » « »: 99310687 10000142896...
  • Page 22 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 23 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 24 98476088 0119 ECM: 1252726 www.grundfos.com...

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