CRT
Installation and operating instructions
GRUNDFOS
INSTRUCTIONS
Страница 1: ...CRT Installation and operating instructions GRUNDFOS INSTRUCTIONS...
Страница 2: ...s 6 6 5 Torques 6 6 6 Flange forces and torques 6 7 Electrical connection 7 7 1 Cable entry screwed connection 7 7 2 Three phase connection 7 7 3 Single phase connection 8 7 4 Terminal box positions 8...
Страница 3: ...sure Fig 3 Schematic view of open system with a CRT pump The maximum suction lift H in metres head can be calculated as follows H pb x 10 2 NPSH Hf Hv Hs pb Barometric pressure in bar Barometric press...
Страница 4: ...lengths dimensions of the base pipework connections diameter and position of foundation bolts 40 50 60 70 80 90 100 110 120 t C 0 10 20 30 Qmin 2 1 2 1 L L B 4 x B 3 TM01 1241 4097 The pump can be ins...
Страница 5: ...7 Foundation horizontal mounting The foundation length and width should always be 200 mm larger than the length and width of the pump See fig 7 The mass of the foundation must be at least 1 5 times t...
Страница 6: ...ue stated in the tables below one of these value may exceed the normal limit Contact Grundfos for further information Fig 12 Flange forces and torques Forces Torques TM04 1691 1008 Warning When pumpin...
Страница 7: ...be connected to an external mains switch placed close to the pump and to a motor protective circuit breaker or a CUE frequency converter It must be possible to lock the mains switch in OFF position i...
Страница 8: ...d 80 MG motors frame sizes 71 and 80 do not have phase insulation as standard The motors are not suitable for frequency converter operation as they are not protected against the voltage peaks caused b...
Страница 9: ...liquids such as kerosene will not evaporate The leakage may therefore be seen as a shaft seal failure Caution Do not start the pump until it has been filled with liquid and vented If the pump runs dry...
Страница 10: ...bypass valve CRT 8 and 16 Fit the drain plug in the base 11 Service We recommend you to repair pumps with motors of 7 5 kW and up at pump site Necessary lifting equipment must be available If Grundfos...
Страница 11: ...eplace motor protective circuit breaker contacts c Cable connection is loose or faulty Fasten or replace the cable connection d Motor winding is defective Replace the motor e Pump mechanically blocked...
Страница 12: ...ftstryck Frequency Frekvens Frequenz Frecuencia Fr quence Frequenza Frequentie Frequ ncia Frecven Taajuus Frekvens Pump type Pumpetype Pumpentyp Tipo de bomba Type de pompe Pompa tipo Pomptype Modelo...
Страница 13: ...pstryck 50 Hz CRT 2 2 2 11 CRT 2 13 2 26 10 bar 15 bar CRT 4 1 4 12 CRT 4 14 4 22 10 bar 15 bar CRT 8 1 8 20 10 bar CRT 16 2 16 17 10 bar 60 Hz CRT 2 2 2 6 CRT 2 7 2 18 10 bar 15 bar CRT 4 1 4 7 CRT 4...
Страница 14: ...NL Geluidsdruk van pompen met een door Grundfos gemonteerde motor PT Ru do emitido pelas electrobombas montadas pela Grundfos RU Grundfos RO Zgomot emis de pompe cu motoare echipate de Grundfos FI Il...
Страница 15: ...CRN 2 0 1 2 3 4 5 6 7 8 Q m h 0 0 0 4 0 8 1 2 1 6 2 0 2 4 2 8 H m 0 0 0 4 0 8 1 2 1 6 2 0 2 4 Q l s 0 8 16 24 p kPa 50 Hz 60 Hz CR 4 CRN 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Q m h 0 0 0 4 0 8 1 2 1 6 2 0...
Страница 16: ...Appendix 16 Appendix 1 1 RoHS W W W y K K K K K y K K K K K y K K K K K y K K K K K y K K K K K d K d y d...
Страница 17: ...de conformidade CE UE A Grundfos declara sob sua nica responsabilidade que os produtos CR CRI CRN CRT aos quais diz respeito a declara o abaixo est o em conformidade com as Directivas do Conselho sobr...
Страница 18: ...18...
Страница 19: ...53 428 5005 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava...
Страница 20: ...played 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...
