• VRV ® Systems • Indoor Units 20• Indoor Units • Round Flow Cassette • FXFQ-P9VEB7 Wiring diagram7 - 1 Wiring diagramFXFQ20-125P3TW32466-1NOTESIn case of using a central remote control, connect it to the unit in accordance with th attached installation manual.X24A, X33A and X335A are connected when the optional accessories are being used.When connecting the input wires from outside, forced OFF or ON/OFF control operation can be selected by the remote control.See installation manual for details.Confirm the method of setting the selector switch (SS1, SS2) by installation manual and engineering data, etc.In case of self cleaning panel follow the self cleaning panel installation instruction.1.2.3.4.5.A1P Printed circuit board Receiver display unit (attached to wireless remote controller)A2P Printed circuit board (Humidity sensor unit) A3P Printed circuit boardHAP Light emitting diode (Service monitor green) A4P Printed circuit boardKPR Magnetic relay (M1P) BS1 Push button (On/off)M1F Motor (Indoor fan) H1P Light emitting diode (On-red)M1P Motor (Drain pump) H2P Light emitting diode (Timer-green)M1S Motor (Swing flap) H3P Light emitting diode (Filter sign-red)PS Power supply circuit H4P Light emitting diode (Defrost - orange)R1T Thermistor (Air) SS1 Selector switch (Main/sub)R2T Thermistor (Coil) SS2 Selector switch (Wireless address set)RC Signal receiver circuit Connector for optional partsS1L Float switch X24A Connector (Wireless remote control)SS1 Selector switch (Emergency) X33A Connector (Adapter for wiring)TC Signal transmission circuit X35A Connector (Group control adapter)X1M Terminal strip X70A Connector (Self cleaning panel)X2M Terminal strip Wired remote controlZ1C Ferrite core R1T Thermistor (Air)SS1 Selector switch (Main/sub): Terminal strip Colors: RED Red YLW Yellow BRN Brown: Connector BLK Black GRN Green GRY Grey: Field wiring WHT White ORG Orange BLU BlueControl box 220~240/220V~50/60HzReceiver display unitCentral remote control(note1)Wired remotecontrolExept for selfcleaning panel(note 5)indoor35~60 CLASS20~125-Class (22~140-Class)20~63-Class(22~71-Class)80~125-Class(90~140-Class)Input from outside(note3)