Grundfos CM Series Installation And Operating Instructions Manual
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Table of Contents
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Summary of Contents for Grundfos CM Series
- Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions...
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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: Introduction
2. Introduction 5. Identification This manual describes the installation and operation 5.1 Nameplates for pump of Grundfos CM pumps. The pump name plates are positioned on the motor 3. Delivery and handling fan cover or terminal box. The pumps are delivered from factory in a packaging 5.1.1 Nameplate with pump data... -
Page 4: Nameplate For Motor
5.2 Nameplate for motor The motor name plate is positioned on the motor cooling fins. The data and information on the motor nameplate are described in the table below. See the nameplate in fig. on page 14. Pos. Description Capacitor size and voltage 50 Hz motor efficiency at rated work point 50 Hz power factor 50 Hz output power in kW... -
Page 5: Mechanical Installation
6. Mechanical installation 6.2 Pipework We recommend that you fit isolating valves on either Before installing the pump, check that the pump type side of the pump. It is thus not necessary to drain the and parts are as ordered. system if the pump needs service. -
Page 6: Alternative Connection Positions
6.2.2 Pipe connection (self-priming pumps) Suction lift Minimum height The pump must be installed correctly to ensure that it can self-prime. Take the following precautions: See fig. 4. • The minimum height from the centre of the 0.35 suction port to the first tapping point (H ) must be observed. -
Page 7: Avoiding Condensation In The Motor
In such cases, use a motor suitable for condensing environments such as an IPX5 motor available from Warning Grundfos. The electrical connection must be carried Alternatively, open the bottom drain hole in the motor out in accordance with local regulations. -
Page 8: Electrical Connection
LC filter between the frequency converter and the motor. Drain hole For further information, please contact the frequency converter supplier or Grundfos. Fig. 10 Position of filling hole and drain hole Self-priming pumps only: If it is difficult for the pump to build up... -
Page 9: Checking The Direction Of Rotation
8.2.1 Liquid filling The motor fan cover has an installation indicator. See fig. 12. Based on the motor cooling air, it Warning indicates the direction of rotation of the motor. Pay attention to the direction of the vent Before the motor is started for the first time or if the hole, and make sure that the escaping hot position of the indicator has been changed, the or cold liquid does not cause injury to... -
Page 10: Frost Protection
Does not apply for pumps with PSE approval If Grundfos is requested to service the pump, it must (pumps approved for use in Japan). be cleaned before it is returned. -
Page 11: Maximum System Pressure And Permissible Liquid Temperature 11 Note
** 120 °C applies only if the pump has an AQQE shaft seal. *** CM pumps for pumping liquids at temperatures below -20 °C are available on request. Please contact Grundfos. 11.5 Minimum inlet pressure Example = 1 bar. -
Page 12: Fault Finding
12. Fault finding Warning Warning Before removing the terminal box cover, The pumped liquid may be scalding hot switch off the power supply. Make sure and under high pressure. Before any that the power supply cannot be removal or dismantling of the pump, the accidentally switched on. -
Page 13: Further Product Information
This product or parts of it must be disposed of in an 13.1 Service documentation environmentally sound way: Service documentation is available in Grundfos 1. Use the public or private waste collection service. Product Center 2. If this is not possible, contact the nearest (http://product-selection.grundfos.com/). - Page 14 Appendix Type Tliq,max Model PMax TAmb Insulation class Q nom Q nom m /h m /h H nom H nom H max H max Fig. 1 Pump nameplate with data Water Circulating Pump Water Circulating Pump 1Z28 1Z28 DK-8850 BJERRINGBRO DENMARK Made in Hungary Fig.
- Page 15 NPSH CM 1 60 Hz 50 Hz 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 Q [m³/h] Fig. 4 NPSH curve for CM 1 NPSH CM 3 60 Hz 50 Hz Q [m³/h] Fig.
- Page 16 NPSH CM 5 60 Hz 50 Hz 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 Q [m³/h] NPSH CM 10 60 Hz 50 Hz 9 10 11 12 13 14 15 16 17 Q [m³/h] Fig.
- Page 17 NPSH CM 15 60 Hz 50 Hz 26 Q [m³/h] Fig. 7 NPSH curves for CM 15 NPSH CM 25 60 Hz 50 Hz 8 10 12 14 16 18 20 22 24 26 28 30 32 34 Q [m³/h] Fig.
- Page 18 (°C) Fig. 9 Vapour pressure...
- Page 19 Appendix Safety declaration Please copy, fill in and sign this sheet and attach it to the pump returned for service. Media and application Which media has the pump been used for: ______________________ In which application has the pump been used: ____________________ Fault description If possible please make a circle around the faulty part.
- Page 20 GR: ∆ήλωση συμμόρφωσης ΕΚ/ΕΕ Nous, Grundfos, déclarons sous notre seule responsabilité, que le Εμείς, η Grundfos, δηλώνουμε με αποκλειστικά δική μας ευθύνη ότι το produit CM, auquel se réfère cette déclaration, est conforme aux προϊόν CM, στο οποίο αναφέρεται η παρακάτω δήλωση, Directives du Conseil concernant le rapprochement des législations...
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Page 21: Minimum Efficiency Index
KO: EC/EU 적합성 선언 Grundfos は、 その責任の下に、 CM 製品が EC/EU 加盟諸国の法規に Grundfos 는 아래의 선언과 관련된 CM 제품이 EC/EU 회원국 법률에 関連す る 、 以下の評議会指令に適合 し て い る こ と を宣言 し ま す。 기반하여 아래의 이사회 지침을 준수함을 단독 책임 하에 선언합니다 . - 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 95121197 0416 ECM: 1181574 www.grundfos.com...