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Summary of Contents for Grundfos CMV Series
- Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions Installation and operating instructions http://net.grundfos.com/qr/i/97907165 Quick Guide http://net.grundfos.com/qr/i/97907090...
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Page 2: Table Of Contents
This appliance can be used by children These installation and operating instructions aged from 8 years and above and persons describe Grundfos CM pumps. with reduced physical, sensory or mental Sections 1-4 give the information necessary to be capabilities or lack of experience and... -
Page 3: Other Important Notes
3. Installing the product 1.2 Other important notes 3.1 Mechanical installation A blue or grey circle with a white graphical symbol indicates that an action must be Before installing the pump, check that the pump type taken. and parts are as ordered. A red or grey circle with a diagonal bar, CAUTION possibly with a black graphical symbol,... -
Page 4: Pipes
3.2 Pipes 3.2.1 Pipe connection (non-self-priming pumps) We recommend that you fit isolating valves on either Take care not to damage the pump when side of the pump. It is thus not necessary to drain the connecting the inlet and outlet pipes. system if the pump needs service. -
Page 5: Avoiding Condensation In The Motor
In such cases, use a motor suitable for condensing DANGER environments such as an IPX5 motor available from Grundfos. Electric shock Alternatively, open the bottom drain hole in the motor Death or serious personal injury flange by removing the plug. -
Page 6: Starting Up The Product
For further information, please contact the frequency damage to the equipment. converter supplier or Grundfos. 4. Starting up the product If there is a risk of condensation in the motor, remove the motor drain plug before startup and keep the drain hole open during operation. -
Page 7: Checking The Direction Of Rotation
5. Product introduction 4.2 Checking the direction of rotation The description below applies to three-phase motors 5.1 Applications only. The motor fan cover has an installation indicator. The pumps are vertical, multistage centrifugal pumps See fig. 6. Based on the motor cooling air, it designed for pumping of clean, thin and indicates the direction of rotation of the motor. -
Page 8: Maintaining The Product
6. Maintaining the product 5.2.3 Nameplate for the motor The motor name plate is positioned on the motor DANGER cooling fins. The data and information on the motor nameplate Electric shock are described in the table below. See the nameplate Death or serious personal injury in fig. -
Page 9: Contaminated Products
Observe the following if the pump is to be provided. permanently taken out of operation and removed If the above is not fulfilled, Grundfos can refuse to from the pipe system. accept the pump for service. WARNING Costs of returning the pump are to be paid by the customer. -
Page 10: Fault Finding The Product
8. Fault finding the product DANGER WARNING Electric shock Toxic liquids Death or serious personal injury Death or serious personal injury - Before starting any work on the product, - Wear personal protective equipment. make sure that the power supply has been switched off and that it cannot be accidentally switched on. - Page 11 Fault Cause Remedy The pump runs, but gives The pump inlet pressure is too See 5 a). no water. low. The inlet pipe is partly clogged See 5 b). by impurities. The foot or non-return valve is Remove and clean, repair or replace stuck in its closed position.
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Page 12: Technical Data
1. Use the public or private waste collection service. the water. 2. If this is not possible, contact the nearest Grundfos company or service workshop. 9.5 Minimum inlet pressure You can calculate the minimum inlet pressure "H" in metres head required during operation to avoid cavitation in the pump from the following formula: x 10.2 - NPSH - H... - Page 13 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 14 NPSH CMV 3 CM 3 60 Hz 50 Hz Q [m³/h] NPSH Fig. 4 NPSH curves for CMV 3 NPSH CMV 5 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] Fig.
- Page 15 (°C) Fig. 6 Vapour pressure...
- Page 16 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 18 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 19 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 20 97907165 1117 ECM: 1220157 www.grundfos.com...
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