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LEROY-SOMER

Installation and maintenance

4291

 en-

10

.

2008

/a

R220

A.V.R.

This manual concerns the alternator A.V.R. which you have just purchased.

We wish to draw your attention to the contents of this maintenance manual. By follow ing 

certain  im portant  points  during  installation,  use and  servicing  of your A.V.R.,  you  can 
look forward to many years of trouble-free operation.

SAFETY MEASURES

Before using your machine for the first time, 
it  is  important  to  read  the  whole  of  this 
installation and maintenance manual.

All  necessary operations and  interventions 
on  this  machine  must  be  performed  by  a 
qualified technician.

Warning symbol fo r an operation capable 
of damaging  or destroying the machine 
or surround-ing equipment.

Ourtechnical support service wi II be pleased 
to  provide  any  additional  infor-mation  you 

may require.

The  various  operations  described  in  this 

manual are accompanied by recommen-da- 

tions or symbols to alert the user to potential 

risks of accidents.  It is vital that you unders- 

tand and take notice of the following warning 
symbols.

Warning  symbol  fo r  general  danger  to 

personnel.

This  A.V.R.  can  be  incorporated  in  a 

machine marked C.E.

Warning  symbol fo r electrical  danger to 

personnel.

Note:  LEROY-SOMER  reserves  the  right  to 
modify  the  characteristics  of  its  products  at 

any  time  in  order  to  incorpórate  the  latest 

technological developments. The information 

contained in this document may therefore be 
changed without notice.

«*i r  v ~ S o m e r

Summary of Contents for R220 VSG+CCM

Page 1: ...4291 en 10 2008 a R220 A V R Installation and maintenance ...

Page 2: ...bol for an operation capable of damaging or destroying the machine or surround ing equipment Ourtechnical support servicewiIIbe pleased to provide any additional infor mation you may require The various operations described in this manual are accompanied by recommen da tions or symbols to alert the user to potential risks of accidents It is vital that you unders tand and take notice ofthe followin...

Page 3: ... 6 4 SPARE PARTS 7 4 1 Designation 7 4 2 Technical support Service 7 All such operations performed on the A V R should be undertaken by personnel trained in the commissioning servicing and maintenance of electrical and mechanical components Copyright 2005 MOTEURS LEROY SOMER This document is the property o f MOTEURS LEROY SOMER It may not be reproduced in any form without prior authorization All b...

Page 4: ...supply sensing range 85 to 139 V 50 60 Hz Rapid response time 500 ms for a transient voltage variation amplitude of 20 Voltage setting P1 Stability setting P2 Power supply protected by 8 Atuse slow blow action tolerates 10 Afor 10 s The fuse is impregnated in the resin therefore it can not be replaced Frequency 50 Hz with ST3 jumper 60 Hz without ST3 jumper 2 2 R220AVR option Potentiometer for rem...

Page 5: ...al potentiometer settings Plpotentiometer AVRvoltageadjustment fully anti clockwise Remótevoltage adjustment potentiometer centre position Run the alternator at its rated speed If the voltage does not increase the magnetic circuit should be remagnetized see section 3 3 Turn the AVR voltage adjustment potentiometer P1 slowly until the output voltage rated valué is obtained Adjust the stability sett...

Page 6: ...tance Speed too low Increase the drive speed Do not touch the AVR voltage pot P2 before running at the correct speed Voltage too high Adjust AVR voltage potentiometer Adjustment ineffective Faulty AVR Voltage oscillations Adjust AVR stability potentiometer Check the speed possibility of cyclic irregularity Loose connections FaultyAVR Speed too low when on load or U F bend set too high Voltage corr...

Page 7: ...he complete machine type its serial number and the information indicated on the nameplate Part numbers should be identified from the exploded views and their description in the parts list Our extensive network of service stations can dispatch the necessary parts without delay To ensure correct operation and the safety of our alternators we recommend the use of original manufacture spare parts In t...

Page 8: ...Leroy Somer Leroy Somer Electro Technique Fuzhou Co Ltd NO l Emerson Road Gaishan Cangshan district Fuzhou Fujian P R China 350026 Tel 86 591 88000922 Fax 86 591 83567185 ...

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