4.4 Component Overview1 Bypass with synchronous motor2 Intake and exhaust air fan3 Air intake filter F6 (optional)4 Operating panel with display5 Discharged air PTC thermistor6 Condensate drain – wall mounting7 Condensate drain – ceiling mounting8 Counterflow heat exchanger9 Air intake filter10 Exhaust air filter11 Installation rails12 Cable opening for electrical connection