- Outback Power Systems, Inc. Welding System User Manual
900-0020-01-00 Rev A  1 
Important Safety Instructions 
READ AND SAVE THESE INSTRUCTIONS! 
This manual contains important safety instructions for the Radian Series Inverter/Charger. Read all 
instructions and cautionary markings on the inverter and on any accessories or additional equipment 
included in the installation. Failure to adhere to these instructions could result in severe shock or 
possible electrocution. Exercise extreme caution at all times to prevent accidents. 
Audience 
This manual is intended for anyone required to operate the Radian Series Inverter/Charger. Operators 
must be familiar with all the safety regulations pertaining to operating this kind of equipment as 
dictated by local code. Operators must also have a complete understanding of this equipment’s 
features and functions. Do not use this product unless it has been installed by a qualified installer in 
accordance with the Radian Series Inverter/Charger Installation Manual. 
Symbols Used 
WARNING: Hazard to Human Life 
This type of notation indicates that the hazard could be harmful to human life. 
CAUTION: Hazard to Equipment 
This type of notation indicates that the hazard may cause damage to the equipment. 
IMPORTANT: 
This type of notation indicates that the information provided is important to 
the installation, operation and/or maintenance of the equipment. Failure to 
follow the recommendations in such a notation could result in voiding the 
equipment warranty. 
Definitions
The following is a list of initials, terms, and definitions used in conjunction with this product. 
Table 1 Terms and Definitions 
Term Definition 
12V AUX  Auxiliary connection that supplies 12 Vdc to control external devices. 
AC  Alternating Current; refers to voltage produced by the inverter, utility grid, or generator 
AGS  Advanced Generator Start 
CSA  Canadian Standards Association; establishes Canadian national standards and the Canadian 
Electrical Code, including C22.1 and C22.2 
DC  Direct Current; refers to voltage produced by the batteries or renewable source 










