VECTIOS™ PJ Compact air-air rooftop units Assembly (Group 6) + Indoor air direction (Group 25) Indoor air direction Assembly Description Air Models 0 1 2 3 flow Lower supply Lateral supply Lower supply Lateral supply Lower return Lower return Lateral return Lateral return C0 Standard Cross All Flow Fresh air CS damper, Cross All interlocked with Flow return damper CF 100% fresh air Cross All 7 7 Flow Fresh air CK damper and Cross All 7 7 exhaust air Flow damper CA Axial return fan Cross All 7 7 Flow CP Lower return Cross All 7 7 EC plug-fan Flow Lower return CR EC plug-fan Cross All 7 7 + cooling Flow recovery circuit Return EC CQ plug-fan or Cross All 7 7 centrifugal fan Flow in top box I: air supply R: air return N: fresh air intake E: air extraction 238 238 CATALOGUE 2021