Grundfos CM-L Series Installation And Operating Instructions Manual Download Page 20 | Manualshive

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www.grundfos.com

99298152

0319

ECM: 1256734

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Summary of Contents for CM-L Series

Page 1: ...CM L Installation and operating instructions GRUNDFOS INSTRUCTIONS Other languages http net grundfos com qr i 99298152 ...

Page 2: ...umped liquids 7 6 3 Glycol 7 6 4 Identification 8 7 Maintaining the product 9 7 1 Service documentation 9 8 Taking the product out of operation 9 8 1 Cleaning 9 8 2 Frost protection 9 8 3 Taking the product permanently out of operation 9 9 Fault finding the product 10 10 Technical data 12 10 1 Enclosure class 12 10 2 Sound pressure level 12 10 3 Ambient temperature 12 10 4 Minimum inlet pressure 1...

Page 3: ...al symbol indicates that an action must not be taken or must be stopped If these instructions are not observed it may result in malfunction or damage to the equipment Tips and advice that make the work easier CAUTION Back injury Minor or moderate personal injury Use lifting equipment which is approved for the weight of the product Use a lifting method suitable for the weight of the product Do not ...

Page 4: ... We recommend that you fit isolating valves on either side of the pump It is thus not necessary to drain the system if the pump needs service Install the pipes so that air pockets are avoided especially on the inlet side of the pump See fig 2 Fig 2 Pipes 3 3 1 Pipe connection Fig 3 Inlet and outlet ports 3 4 Alternative connection positions The pump is available with various connection positions o...

Page 5: ...stated on the nameplate You can use earthing or neutralisation for protection against indirect contact You can use a current or voltage operated earth leakage circuit breaker as extra protection 3 6 1 Connections in the standard module Connect the pump to the power supply via an external contactor Carry out the electrical connection as shown in the diagram inside the terminal box cover 3 6 2 Frequ...

Page 6: ...til it has been filled with liquid See section 4 1 Liquid filling CAUTION Pressurised system Minor or moderate personal injury If the inspection screw is to be loosened make sure that the escaping scalding hot liquid does not cause personal injury or damage to components TM06 9536 2517 CAUTION Hot or cold liquid Minor or moderate personal injury Wear personal protective equipment Pay attention to ...

Page 7: ...example the German standard VDI 2035 In domestic hot water systems we recommend that you use the pumps only for water with a degree of hardness lower than approx 14 dH For water with a higher degree of hardness we recommend a direct coupled TP pump Liquid temperature see section 10 Technical data 6 3 Glycol The pumps can be used for pumping water glycol mixtures up to 50 The maximum viscosity of a...

Page 8: ...s Description 1 Pump type 2 Pump model 3 Maximum ambient temperature 4 Temperature class 5 Minimum efficiency index 6 Maximum system pressure 7 Maximum liquid temperature 8 Hydraulic efficiency at best efficiency point 9 Insulation class 10 Motor protection 11 Rated flow 12 Head at rated flow 13 Maximum head Pos Description 1 CE mark 2 cURus mark 3 Company name and address 4 Country of manufacture...

Page 9: ...permanently out of operation Observe the following if the pump is to be permanently taken out of operation and removed from the pipe system DANGER Electric shock Death or serious personal injury Before starting any work on the product make sure that the power supply has been switched off and that it cannot be accidentally switched on WARNING Corrosive liquids Death or serious personal injury Wear ...

Page 10: ...ctive circuit breaker or magnet coil are defective Replace the contacts of the motor protective circuit breaker the magnet coil or the entire motor protective circuit breaker b Cable connection is loose or faulty Check cables and cable connections for defects and replace the fuses c The motor winding is defective Repair or replace the motor d The pump is mechanically blocked Switch off the power s...

Page 11: ... clogged by impurities See 6 b c The foot or non return valve is stuck in its closed position Remove and clean repair or replace the valve d Leakage in the inlet pipe See 6 c e Air in the inlet pipe or pump See 6 d 8 The pump runs backwards when switched off a Leakage in the inlet pipe See 6 c b The foot or non return valve is defective See 7 c c The foot valve is stuck in completely or partly ope...

Page 12: ...c and relay modules External potential free contact Maximum load 250 V 1 5 mA Minimum load 100 V 0 5 mA Operating and fault signal output relay module Internal potential free changeover contact Maximum load 250 V 2 A AC Minimum load 5 V 100 mA DC 10 4 Minimum inlet pressure Minimum inlet pressure 1 bar 10 5 Maximum inlet pressure The actual inlet pressure plus the pressure when the pump is operati...

Page 13: ... F o F o C o 2 1 3 3 11 12 13 11 12 13 11 12 13 11 12 13 6 7 7 6 6 0 5 4 8 10 9 Q nom H nom H max 50 Hz m h 3 m m GPM PSI PSI Q nom H nom H max 60 Hz m h 3 m m GPM PSI PSI ȘP TM07 4223 1019 TM06 9529 1019 DK 8850 BJERRINGBRO DENMARK Made in Hungary 1 2 3 4 Stator set PN Model TF60 PC n 50Hz RPM n 60Hz RPM 50Hz 60Hz Grundfos DK 8850 Bjerringbro Denmark I1 1 A P1 W CM L 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 14: ...PSH curves for CML 3 TM06 9836 3417 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 m h 0 1 2 3 4 5 6 7 m NPSH CML1 60 Hz 50 Hz TM06 9837 3417 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Q m h 0 1 2 3 4 5 6 7 8 m NPSH CML3 60 Hz 50 Hz ...

Page 15: ...urves for CML 10 TM06 9838 3417 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 m h 0 1 2 3 4 5 6 7 8 9 m NPSH CML5 60 Hz 50 Hz TM06 9839 3417 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Q m h 0 2 4 6 8 10 12 14 16 m NPSH CML10 60 Hz 50 Hz ...

Page 16: ...Appendix 16 Fig 8 NPSH curves for CML 15 TM06 9840 3417 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Q m h 0 2 4 6 8 10 12 14 m NPSH CML15 60 Hz 50 Hz ...

Page 17: ...Appendix 17 Fig 9 Vapour pressure TM00 3037 0800 20 15 12 10 8 0 6 0 5 0 4 0 3 0 2 0 1 0 0 8 0 6 0 4 0 3 0 2 0 1 1 5 120 110 90 100 80 70 60 50 40 30 20 10 0 Hv m tm C 150 130 140 25 35 45 40 30 ...

Page 18: ...ro Tlf 45 87 50 50 50 Telefax 45 87 50 51 51 E mail info_GDK grundfos com www grundfos com DK Estonia GRUNDFOS Pumps Eesti OÜ Peterburi tee 92G 11415 Tallinn Tel 372 606 1690 Fax 372 606 1691 Finland OY GRUNDFOS Pumput AB Trukkikuja 1 FI 01360 Vantaa Phone 358 0 207 889 500 France Pompes GRUNDFOS Distribution S A Parc d Activités de Chesnes 57 rue de Malacombe F 38290 St Quentin Fallavier Lyon Tél...

Page 19: ...020 1426 sk grundfos com Slovenia GRUNDFOS LJUBLJANA d o o Leskoškova 9e 1122 Ljubljana Phone 386 0 1 568 06 10 Telefax 386 0 1 568 06 19 E mail tehnika si grundfos com South Africa Grundfos PTY Ltd 16 Lascelles Drive Meadowbrook Estate 1609 Germiston Johannesburg Tel 27 10 248 6000 Fax 27 10 248 6002 E mail lgradidge grundfos com Spain Bombas GRUNDFOS España S A Camino de la Fuentecilla s n E 281...

Page 20: ...6734 Trademarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2019 Grundfos Holding A S all rights reserved ...

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