9 Technical dataInstallation and operation manual14FFA25~60A2VEBSplit system air conditioners4P456960-1 – 2017.039.2 Wiring diagramUnified Wiring Diagram LegendFor applied parts and numbering refer to the wiring diagram sticker supplied on the unit. Part numbering is realized by Arabic numbers in ascending order for each part andis represented in the overview below by symbol “*” in the part code.: CIRCUIT BREAKER : PROTECTIVE EARTH: CONNECTION : PROTECTIVE EARTH (SCREW), : CONNECTOR A : RECTIFIER: EARTH : RELAY CONNECTOR: FIELD WIRING : SHORT CIRCUIT CONNECTOR: FUSE : TERMINALINDOOR: INDOOR UNIT : TERMINAL STRIPOUTDOOR: OUTDOOR UNIT : WIRE CLAMPBLK : BLACK GRN : GREEN PNK : PINK WHT : WHITEBLU : BLUE GRY : GREY PRP, PPL : PURPLE YLW : YELLOWBRN : BROWN ORG : ORANGE RED : REDA*P : PRINTED CIRCUIT BOARD PS : SWITCHING POWER SUPPLYBS* : PUSH BUTTON ON / OFF, OPERATION SWITCH PTC* : THERMISTOR PTCBZ, H*O : BUZZER Q* : INSULATED GATE BIPOLAR TRANSISTOR (IGBT)C* : CAPACITOR Q*DI : EARTH LEAK CIRCUIT BREAKERAC*, CN*, E*, HA*, HE, HL*, HN*,HR*, MR*_A, MR*_B, S*, U, V,W, X*A: CONNECTION, CONNECTOR Q*L : OVERLOAD PROTECTORD*, V*D : DIODE Q*M : THERMO SWITCHDB* : DIODE BRIDGE R* : RESISTORDS* : DIP SWITCH R*T : THERMISTORE*H : HEATER RC : RECEIVERF*U, FU* (FOR CHARACTERISTICSREFER TO PCB INSIDE YOUR UNIT): FUSE S*C : LIMIT SWITCHFG* : CONNECTOR (FRAME GROUND) S*L : FLOAT SWITCHH* : HARNESS S*NPH : PRESSURE SENSOR (HIGH)H*P, LED*, V*L : PILOT LAMP, LIGHT EMITTING DIODE S*NPL : PRESSURE SENSOR (LOW)HAP : LIGHT EMITTING DIODE (SERVICE MONITOR GREEN) S*PH, HPS* : PRESSURE SWITCH (HIGH)HIGH VOLTAGE : HIGH VOLTAGE S*PL : PRESSURE SWITCH (LOW)IES : INTELLIGENT EYE SENSOR S*T : THERMOSTATIPM* : INTELLIGENT POWER MODULE S*W, SW* : OPERATION SWITCHK*R, KCR, KFR, KHuR : MAGNETIC RELAY SA* : SURGE ARRESTORL : LIVE SR*, WLU : SIGNAL RECEIVERL* : COIL SS* : SELECTOR SWITCHL*R : REACTOR SHEET METAL : TERMINAL STRIP FIXED PLATEM* : STEPPER MOTOR T*R : TRANSFORMERM*C : COMPRESSOR MOTOR TC, TRC : TRANSMITTERM*F : FAN MOTOR V*, R*V : VARISTORM*P : DRAIN PUMP MOTOR V*R : DIODE BRIDGEM*S : SWING MOTOR WRC : WIRELESS REMOTE CONTROLLERMR*, MRCW*, MRM*, MRN* : MAGNETIC RELAY X* : TERMINALN : NEUTRAL X*M : TERMINAL STRIP (BLOCK)n = * NUMBER OF PASSES THROUGH FERRITE CORE Y*E : ELECTRONIC EXPANSION VALVE COILPAM : PULSE-AMPLITUDE MODULATION Y*R, Y*S : REVERSING SOLENOID VALVE COILPCB* : PRINTED CIRCUIT BOARD Z*C : FERRITE COREPM* : POWER MODULE ZF, Z*F : NOISE FILTER