Siemens 125-3208 User Manual

Siemens Building Technologies, Inc. 

 

1 

This manual contains the following sections: 

•  How to Use this Manual, describes the organization of this manual and the 

symbols used throughout this manual.  

•  Safety Instructions, provides general guidelines for your safety and to 

prevent equipment damage.  

•  Electronic Bypass Option Overview, describes the Electronic Bypass Option 

Controller board, inputs, outputs, contactors, and keypad.  

•  Installation Instructions, provides mounting information and details on 

electrical connections.  

•  Startup Procedures, provides step-by-step procedures to start up the 

Electronic Bypass Option.  

•  Required SED2 Parameter Settings, lists SED2 parameter settings 

necessary for operation of the Electronic Bypass Option.  

•  Application Feature Setup, describes application features and provides the 

necessary parameter settings.  

•  Technical Specifications, lists Electronic Bypass Option and SED2 VFD 

specifications.  

•  Troubleshooting, provides guidelines for troubleshooting the Electronic 

Bypass Option.  

 

Indicates that personal injury/loss of life may occur if you do 
not perform a procedure as specified.  

 

Indicates that equipment damage, or loss of data may occur if 
you do not perform a procedure as specified.  

(no symbol) 

Provides other important information or helpful hints.