Copyright Notice and Proprietary Rights 
© 2003-2018, General Electric Company.  All rights reserved.  
The  contents  of  this  manual  and  the  information  contained  herein  are  the  exclusive 
property of General Electric Company, except as otherwise indicated.  
You  may  not  disclose,  reproduce,  publish,  license,  post,  transmit  or  distribute  this 
manual, in whole or in part, without the prior written permission of General Electric or 
except as permitted by written license agreement with General Electric.  
General  Electric  has  made  every  reasonable  attempt  to  ensure  the  completeness  and 
accuracy of this manual. However, the information contained in this manual is subject to 
change  without  notice,  and  does  not  represent  a  commitment  on  the  part  of  General 
Electric.  
Any included or attached hardware schematics and technical descriptions, or software 
listings  that  disclose  source  code,  are  for  information  purposes  only.  Reproduction,  in 
whole or in part, to create working hardware or software for other than General Electric 
products  is  strictly  prohibited,  except  as  permitted  by  written  license  agreement  with 
General Electric.  
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Other company or product names mentioned in this  document may  be  trademarks or 
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Customer Service 
For information on Grid Solutions products, please contact: 
GE Grid Solutions (UK) Ltd 
Lissue Industrial Estate East 
Unit 1, 7 Lissue Walk, Lisburn, United Kingdom BT28 2LU 
Tel: +44 28 9262 2915 
Fax: +44 28 9262 2202 
Web: www.gegridsolutions.com/MD.htm 
For help and support for your Hydran* 201i System, please contact the the GE Customer 
Service Center.  Open 24 hours a day, 365 days a year. 
Tel:  1-800-361-3652 (United States and Canada) 
Tel:  +1 514-420-7460 (worldwide) 
Email: GA.support@ge.com