• VRV Systems ® • Indoor Units 17• Indoor Units • ROUNDFLOW CASSETTE • FXFQ-P7VEB7 Wiring diagram7 - 1 Wiring diagramFXFQ-P3TW28836-1BNOTES1 In case of using a 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 seleted by the romote 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 R1T Thermistor (air) H2P Light emitting diode (timer-green)A1P Printed circuit board R2T Thermistor (coil) H3P Light emitting diode (filter sign-red)A2P Printed circuit board R3T Thermistor (header) H4P Light emitting diode (defrost-orange)C1 Capacitor S1L Float switch SS1 Selector switch (main/sub)F1U Fuse (T, 5A, 250V) X1M Terminal strip SS2 Selector switch (wireless address set)HAP Light emitting diode (service monitor green) X2M Terminal strip Connector for optional partsKPR Magnetic relay (M1P) Y1E Electronic expansion valve X24A Connector (wireless remote control)L1 Coil Z1C Ferrite core X33A Connector (adapter for wiring)M1F Motor (indoor fan) Receiver/display unit (attached to wireless remote control) X35A Connector (group control adapter)M1P Motor (drain pump) A3P Printed circuit board Wired remote controlM1S Motor (swing flap) A4P Printed circuit board R1T Thermistor (air)PS Power supply circuit BS1 Push button (on/off) SS1 Selector switch (main/sub)Q1DI Earth leak detector H1P Light emitting diode (on-red): Terminal Colors: RED: Red PRP: Purple ORG: Orange: Connector BLK: Black GRY: Gray GRN: Green: Field wiring WHT: White Blu: Blue BRN: BrownYLW: Yellow PNK: Pink20~125-CLASS (22~140-CLASS)Control boxIndoor20~63-CLASS(22~71-CLASS)80~125-CLASS(90~140-CLASS)Receiver/display unitInput from outside (note 3)Central remote control (note 1),