Panasonic CU-4E24RBU Service Manual

Also see for CU-3E19RBU: Operating instructions Service manual Service manual Service manual Installation manual

216. Wiring Connection Diagram6.1 CU-3E19RBUResistance of Compressor WindingsCONNECTIONU - VU - WV - W0.720.730.715KD184XAB21 (Ω)BLKBLK123WWWWBLKY/GY/GR 1CN-COM(WHITE)FUSE 401(30A 250V)ACL1(BLACK)ACN1(WHITE)FG1(GREEN)FG2(GREEN)CN-BLK (BLACK) RECTIFICATIONCIRCUITRECTIFICATIONCIRCUITSWITCHINGPOWER SUPPLYCIRCUITELECTRONIC CONTROLLER(MAIN)ELECTRONIC CONTROLLER (NOISE FILTER)ELECTRONIC CONTROLLER(DISPLAY)PFCCIRCUITAC-WHT(WHITE)Q10UWV(RED)(YELLOW)(BLUE)PNUVWWBRRRR13 31 1111101111442444117CN-FM1(WHITE)CN-PSW1(BLUE)CN-TH3(WHITE)CN-TH4(WHITE)(WHITE)CN-TH1(YELLOW)CN-TH2ttttttttttFAN MOTORHIGH PRESSURE SW.LIQUID PIPE TEMP. SENSOR (UNIT A) (THERMISTOR)LIQUID PIPE TEMP. SENSOR (UNIT B) (THERMISTOR)LIQUID PIPE TEMP. SENSOR (UNIT C) (THERMISTOR)GAS PIPE TEMP. SENSOR (UNIT A) (THERMISTOR)GAS PIPE TEMP. SENSOR (UNIT B) (THERMISTOR)GAS PIPE TEMP. SENSOR (UNIT C) (THERMISTOR)OUTDOOR TEMP. SENSOR (THERMISTOR)HEAT EXCHANGER TEMP. SENSOR (THERMISTOR)DEFROST TEMP. SENSOR (THERMISTOR)MBLKBYYRCONNECTORWHITECOMPRESSORYELLOW (YEL)OR T (W)(TRADEMARK)THE PARENTHESIZED LETTERS ISINDICATED ON TERMINAL COVERCOMP. TERMINALBLUE (BLU)OR S (V)RED (RED)OR R (U)MS3~BYAC-BLK(BLACK)FUSE 2(T2.5A L250V)FUSE 1(T3.15A L250V)CN-DATA(WHITE)CN-DATA(WHITE)CN-WHT(WHITE)WBLKBLKREACTORREACTORL2-O(BLK)L1-O(BLK)L2-I(GRY)L1-I(GRY)BLKBLKGRYGRYGRYGRYBLKCONNECTORWHITE1 WWWWWWWWW19 9NOISE FILTERCIRCUITCOMMUNICATIONCIRCUITGGCONTROL BOARDCABINET SIDE PLATE35791WWWWWWWWWWWWWWWWWWWWW11611711331 18 67JP1COOL ONLYCN-DISP1(WHITE)CN-DISP1(WHITE)CN-DISP2(WHITE)CN-NMODE(YELLOW)CN-NMODE1(WHITE)POWER SAVEPRIORITY MODEPUMP DOWNOPERATION TESTWIRING CHECKCN-HOT(BLUE)(WHITE)CN-EV1(YELLOW)CN-EV2 16(BLUE)CN-EV3 12MMM(WHITE)CN-DISDISCHARGE TEMP.SENSOR (THERMISTOR)UNIT CELECTRO-MAGNETIC COIL(EXPANSION VALVE)UNIT BELECTRO-MAGNETIC COIL(EXPANSION VALVE)UNIT AELECTRO-MAGNETIC COIL(EXPANSION VALVE)ELECTRO MAGNETIC COIL(4-WAY VALVE)REMARKSBLU/B : BLUEBLK : BLACKW : WHITER/RED : REDY/YEL : YELLOWGRY : GRAYG : GREENORG : ORANGEY/G : YELLOW/GREENBR : BROWNHEATER CN-HT(BLACK)RY-HOTRY-HT148BYL1L2TERMINAL BOARDTERMINAL BOARDTO INDOOR UNIT A123BLKTO INDOOR UNIT B123TO INDOOR UNIT CSINGLE PHASEPOWER SUPPLYAC 208/230V 60Hz