Nidec LEROY-SOMER LSA H 49.1 Installation And Maintenance Manual Download

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www.emersonindustrial.com

- 2020.05 / f

www.leroy-somer.com/epg

4528 en

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Summary of Contents for LEROY-SOMER LSA H 49.1

Page 1: ...78 70 1 4 132 30 474 284 68 15 28 22 343 107 100 140 347 60 77 410 116 247 LSA R H 49 1 Air Air or Air Water heat exchanger Low Voltage Alternator 4 pole Installation and maintenance...

Page 2: ...let guards in case anything is ejected from them b Do not allow children younger than 14 to go near the air outlet guards Aset of self adhesive stickers depicting the various warning symbols is includ...

Page 3: ...or to first use 6 3 3 Terminal connection diagrams 7 3 4 Internal coupling 9 3 5 Commissioning 10 3 6 Setting up 10 4 SERVICING MAINTENANCE 11 4 1 Safety measures 11 4 2 Routine maintenance 11 4 3 Air...

Page 4: ...ns of a nameplate fixed on the machine see drawing Make sure that the nameplate on the machine conforms to your order So that you can identify your alternator quickly and accurately we suggest you fil...

Page 5: ...r Field Armature MAIN FIELD STATOR Voltage reference 2 2 Mechanical characteristic Steel frame End shields in steel pipe in cast iron Greasable ball bearings Mounting arrangement two bearing with SAE...

Page 6: ...cks prior to first use Electrical checks Under no circumstances should an alternator new or otherwise be operated if the insulation is less than 1 megohm for the stator and 100 000 ohms for the other...

Page 7: ...le 4528 en 3 3 Terminal connection diagrams EXCITER STATOR TERMINALS CONNEXION STANDARD 4 TERMINALS OPTION 6 TERMINALS Exciter field Armature Rotating rectifiers Green Yellow Red Black Aux windings MA...

Page 8: ...tion leaflet Ref 4531 Optional Remote voltage adjustment remove ST4 TI optional to to or I Max in all wires 10A Desenergizing TI04 CT OPTIONAL CT connexion for clockwise direction of rotation For anti...

Page 9: ...l 0 380V 6 S Connection code Connection Voltage L L Drawing N LSA491 9 062 N L1 L2 L3 REGULATION REGULATOR 114 114 113 104 104 103 106 106 105 108 108 107 110 110 109 112 112 111 104 104 103 blanc red...

Page 10: ...terminal box is connected to the electrical earth circuit The earth terminal is connected to the frame The connections inside the terminal box must never be subjected to stress due to cables connected...

Page 11: ...lation is generally ensured by a ventilator locked onto the machine axle and situated on the front bearing side In particular cases variable speed the air circulation is ensured by a motoventilator mo...

Page 12: ...the end plates The water distribution in the tubes is provided by two removable water boxes One water box is equipped with collars for fitting the inlet and outlet water lines Neoprene seals provide w...

Page 13: ...electrodes of the system when they are immersed in their receptacle The current which circulates is used to activate a relay Contact Electrodes submerged Electrodes dry Relay not excited 01 01 open cl...

Page 14: ...re fitted correctly the connections comply with diagrams in the manuals supplied with the machine the speed of the unit is correct see nameplate Repeat the operations defined in section 3 WARNING 4 7...

Page 15: ...g diodes burnt out Main field winding short circuited Check the resistance Speed too low Increase the drive speed Do not touch the AVR voltage pot P2 before running at the correct speed Voltage too hi...

Page 16: ...V battery Rh 50 300W ASSEMBLY A Field Assembly B Connect a Variac variable power supply and a diode bridge on both exciter field wires 5 and 6 Both these systems should have characteristics which are...

Page 17: ...battery lamp If the diodes are faulty Remove the surge suppressor 347 Remove the 6 H mounting nuts for the diode assembly on the support Change the fitted caps respecting the polarity Access to connec...

Page 18: ...rear base 36 Mount the rotor 4 in the stator 1 Mount and fix the front bush 30 Remount the tube casings 116 Remount the front and rear tubes 77 in the inner bearing caps Remount the access plates 140...

Page 19: ...pport service will be pleased to provide any additional information you may require For all spare parts orders or technical support requests send your request to service epg leroy somer com or your ne...

Page 20: ...0 90 1 4 132 51 30 474 284 68 15 28 22 349 343 107 100 140 140 347 60 77 410 82 77 28 36 118 117 120 172 116 79 18 247 249 Installation and maintenance LSA R H 49 1 Low Voltage Alternator 4 pole 4528...

Page 21: ...casing 22 1 End shaft key 118 1 Secondary circuit turbine 28 4 Earth terminal 120 1 Terminal support 30 1 Bush interconnection side 132 1 Terminal box 36 1 Bush exciter side 140 2 Diode access door 51...

Page 22: ...ation 78 70 90 1 4 132 30 474 284 68 15 22 349 343 107 100 347 60 77 410 82 53 140 77 36 120 172 114 115 79 18 Installation and maintenance LSA R H 49 1 Low Voltage Alternator 4 pole 4528 en 5 5 Explo...

Page 23: ...Balancing disc 114 1 Cooling system 22 1 End shaft key 115 1 Cooling system box 30 1 Bearing interconnection side 120 1 Terminal support 36 1 Bearing exciter side 132 1 Terminal box 53 1 External cap...

Page 24: ...2020 05 f 24 Electric Power Generation Installation and maintenance LSA R H 49 1 Low Voltage Alternator 4 pole 4528 en...

Page 25: ...Waste hazardous materials The following components and materials require special treatment and must be separated from the alternator before the recycling process electronic materials found in the term...

Page 26: ...2020 05 f 26 Electric Power Generation Installation and maintenance LSA R H 49 1 Low Voltage Alternator 4 pole 4528 en...

Page 27: ...ient repair support and maintenance services Trust your alternator maintenance and support to electric power generation experts Our field personnel are 100 qualified and fully trained to operate in al...

Page 28: ...www emersonindustrial com 2020 05 f www leroy somer com epg 4528 en Linkedin com company leroy somer Twitter com Leroy_Somer_en Facebook com LeroySomer Nidec en YouTube com LeroySomerOfficiel...