Commercial Air Conditioner Model: HBU-18CF03HDU-42CF03/H HPU-42HF037411. Electric data11.1 Wiring diagramHBU-18CF03WIRING DIAGRAM OF INDOOR UNITY/G Y/G2. CENTRAL CONTROLFUNCTION IS OPTINALCN201OUTDOOR DEFROSTTEMPREATURE SENSORSWING MOTORMCN6 CN10INDOOR AMBIENTW:WHITE B:BLACK BR:BROWNBL:BLUE R:RED Y:YELLOWOR:ORANGEY/G:YELLOW/GREENTEMPERATURESENSORINDOOR PIPETEMPERATURESENSORCN9 CN21 CN22 CN4 CN3 CN2 CN1 CN5MCN18FUSET3.15A/250VACL NCN12 CN14 CN15 CN11 CN17 CN13CN16M4321TRANSFORMER CENTRALCONTROLLER FLOAT RECEIVER0010576948INDOORFAN MOTORCAPACITORWATER PUMPMOTORWBBLBR BLBRCN19POWER SUPPLY TO OUTDOOR UNITYYOR ORON1 2 43 ON1 2 43 ON1 2 43ON1 2NOTE1. FOR SOME COOLINGONLY TYPES,THERE ARENO DASHED LINES ANDPART IN DASHEDFRAME 1TO INDOOR UNITTO INDOOR UNITTO INDOOR UNITTERMINAL BLOCKY/GY/GCOMPRESSORNOTE£”1¡¢FOR COOLING ONLY TYPE,THERE ARE NO DASHE FRAME ANDDASHED LINES MARKED @;THE LINE MARKED @@ ISCONNECTED TO 1(L) ON TERMINAL BLOCK.2¡¢THE LINE MARKED @@ IS BLACK OR BROWN FOR SOMETYPES.3¡¢PART IN DASHED FRAME IS NOT AVAILABE FOR SOMETYPES,CORRELATIVE LINES ARE CONNECTED TO 2(N) ONTERMINAL BLOCK. DASHED PART IS OPTIONAL.FANMOTORBWWW1(L)WWBRBRBL@@@@ @@ @BLBBRSMM CRR42(N) 3B3B: BLACKR: REDBR:BROWNBL:BLUEW: WHITEY/G:YELLOW/GREENCAPACITOR4-WAYVALVECAPACITOROXYGEN PUMPOUTDOOR DEFROSTTEMPREATURE SENSORWIRING DIAGRAM OF OUTDOOR UNIT 0010576949M