VECTIOS™ PJ Compact air-air rooftop units Indoor air direction AssemblyDescription flowAir Models 0 1 2 3 Lower supply Lateral supply Lower supply Lateral supply Lower return Lower return Lateral return Lateral return Return EC plug-fan or centrifugal Cross 7 7 CT fan in top Flow All box + cooling recovery circuit Lower return CW EC plug-fan Cross All 7 7 + rotary heat Flow exchanger T0 Standard inTunnel 0200 to 7 7 Tunnel FlowFlow 0380 0200 to 7 7 0240 Fresh air damper, Tunnel TS interlocked Flow with return damper 0280 to 7 7 7 0380 0200 to 7 7 7 0240 TP Lower return Tunnel EC plug-fan Flow 0280 to 7 7 7 0380 Lower return TW EC plug-fanTunnel 0200 to 7 7 7 + rotary heat Flow 0380 exchanger I: air supply R: air return N: fresh air intake E: air extraction CATALOGUE 2021 239 239