317• VRV ® Systems • Indoor Units 13• Indoor Units • Round Flow Cassette • FXFQ-PVE97 Wiring diagram7 - 1 Wiring diagramFXFQ-PV93D059890ANOTES1 In case of using central remote control, connect it to the unit in accordance with the attached instruction manual.2 X24A, X33A and X35A are connected when the optional accessories are being used.3 When connecting the input wires from outside, forced off or on/off control operation can be selected by the remote control. See installation manualfor more details.4 Confirm the method of setting the selector switch (SS1, SS2) by installation manual and engineering data, etc.Indoor unit R4T Thermistor PTC H2P Light emitting diode (timer-green)A1P Printed circuit board S1L Float switch H3P Light emitting diode (filter sign-red)A2P Printed circuit board V1R Diode bridge H4P Light emitting diode (defrost-orange)C1 Capacitor X1M Terminal strip SS1 Selector switch (main/sub)F1U Fuse (F, 5A, 250V) X2M Terminal strip SS2 Selector switch (wireless address set)HAP Light emitting diode (service monitor green) Y1E Electronic expansion valve Connector for optional partsK1R Magnetic relay Z1C Ferrite core X24A Connector (wireless remote control)KPR Magnetic relay (M1P) Z1F Noise filter X33A Connector (adaptor for wiring)M1F Motor (indoor fan) Power supply circuit X35A Connector (group control adaptor)M1P Motor (drain pump) Receiver/display unit (attached to infrared remote control) Wired remote controlM1S Motor (swing flap) A3P Printed circuit board R1T Thermistor (AIR)R1T Thermistor (AIR) A4P Printed circuit board SS1 Selector switch (main/sub)R2T Thermistor (coil liquid) BS1 Push button (ON/OFF)R3T Thermistor (coil gas) H1P Light emitting diode (on-red): Terminal Colors: RED: Red GRN: Green GRY: Gray: Connector BLK: Black ORG: Orange BLU: Blue: Field wiring WHT: White BRN: BrownYLW: Yellow PNK: PinkPOWER SUPPLYWired remote controlReceiver/display unitInput from outside (note 4)Transmission wiringCentral remote control (note 2)-CLASS-CLASSnote 3 note 4CONTROL BOXnote 3,PS