Haier HBU-18CF03 Service Manual
Also see for HBU-18CF03: ManualOperating & installation manual
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Contents
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11.2 Circuit diagramHBU-18CF031 2 3 4 5 6ABCD654321DCBATitleNumber RevisionSizeBDate: 24-Jun-2005 Sheet ofFile: F:\eee\ \workspace\ \GT16\GT16.ddb周永 商用空调 Drawn By:+5V1GND2外部故障输出3OSC15RST6OSC24运行指示灯7定时指示灯8水泵浮子开关9室外低压压力采集10487使能11网络输出12网络输入13过零检测14EEPROM SCL15EEPROM SDA16NOP17电加热（预留）18GND19+5V20遥控接收21 室内风机反馈 22室内温度采集 25室内风机输出 23蜂鸣器 24室内盘管温度采集 26室外盘管温度采集 272/4/6温度补偿 28/ / / /冷暖 室外缩时强制 29网络地址低位 30网络地址高位 31电流检测 32+5V 33GND 34A步进电机 35B步进电机 36C步进电机 37D步进电机 38/水泵 指示灯 39/压机 指示灯 40四通阀 41外风机 42IC1GT16+5+5+5XT18MN42SC2412R2110KD21N4148E61u/25VC10104+5N22SC2412N32SC2412POWERTIMERTIM ERPOWERFLOATFLOAT12CN3PRESSURELOWLOWRO 1/RE 2DE 3DI 4GND5VCC8B7A6IC2MAX487+5DL2103DL1103487EN487EN487IN487OUT487OUT487IN12CN4NETWORKD7 1N4007D5 1N4007D4 1N4007D3 1N4007Vin 1GND2Vout3IC37805 D6 1N4007E52200u/35VC12104C6104E1470u/16V+5R164.7KR1510KC11103N62SC2412R1710KR2310K+5C16102ZEROZERO76512348IC4AT24C01A+5R710KSCLSCLSDASDA+5K5电加热K4外风机K3压机K2四通阀K1水泵12345678101112131415169IC52003AN +12+12+12+12+12+12ERRORHEAT1HEAT1OUTFAN1OUTFAN1VALVE1VALVE2VALVE1OUTFAN2HEAT2COMP1COMP2COMP1COMP2VALVE2OUTFAN2HEAT2PUMP1PUMP2PUMP1PUMP2STEP-ASTEP-ASTEP-BSTEP-BSTEP-CSTEP-CSTEP-DSTEP-D12348765BM44 5 6 712348765BM30 1 2 3123456RB3HEADER 6123456RB4HEADER 6C18103C19103ADDR-HADDR- HADDR- LADDR-L12CN6OUTPIPER920KR1020KR1120K+5 +5E24.7u/50VE34.7u/50VE44.7u/50V+5+5+5R121KR131KR141KC7103C8103C9103OUTPIPEOUTPIPEPIPEROOMROOMPIPEBUZZ1BUZZER+12R331KR32120+12N72SC2412R344.7KR181KRECEIVEC1510212CN1ERRORERROR12345CN10STEPM OTOR+12COMP- LED1234567CN5PANEL+5RECEIVER51KR31KR11KFANC3103C2103C1103N92SC2412N82SC2412R364.7KR354.7KR20 4.7KR19 4.7KR284.7K220V-L1CN15PUMP1CN14VALVE1CN13COMP1CN12OUTFAN1CN11HEALTHCOMP-LED12348765BM2SW DIP-4123456RB1HEADER 6123456RB2HEADER 6C13103C14103SELECT1SELECT2SELECT1SELECT2R221M123CN9TRANSFORMER-IIC4104C5104R6 10KR2 10KR4 10KD11N4148D131N4148D141N4148+12+12N52SC2412+5R2510KR241K+5+5+5+51CN19220V-NR38 10KR41120R42 10K1234CN20PIPE ROOM1243 BM1SW DIP-212CN7XT12CN21TRANSFORMER-I220V-L-I220V-N-IR43 10K1CN17POW1CN16COM220V-L220V-NFUSE1T3.15A250VACVR1VARISTORC27104/275VLB1TRANS3C28104/275V220V-L-I220V-N-I+5CHECKCHECKR5610KC22104C23104C24104+5123 CN18FAN220V-NFANN12SC2412R524.7KIC9MOC3051R53220+5RC1103+120R54470/0.5WR555.1KIC10TRIACR5710KR58390/0.5WC29103/275V220V-LC17104C21104C20104+12R591KR6010K+51234ItophomeCN22+5487IN487OUT123CN2FLOATL1480mHCommercial Air Conditioner Model: HBU-18CF03HDU-42CF03/H HPU-42HF0377 |
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