ECOLINE VARISPEED with .F3/.F4 and SE-B1 Ecoline Varispeed reciprocating compressor with frequency inverter .F3/.F4 and protection device SE-B1 (with maximum possible equipment) Last revision of the diagram:01.01.2012 Technical documents for further information:KB-100: Operating instructions Semi-hermetic reciprocating compressorsKT-220: Technical information Ecoline Varispeed and Octagon CO2 Varispeed with frequency inverter .F3 and .F4CT-120: Protection devices for BITZER compressors