SERVICE MANUAL - BVT Partners OÃ

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(8) Phenomenon observed after shortcircuit, wire breakage on sensor ............ 68(9) Checking the indoor electrical equipment ............................................. 69(10) How to make sure of wireless remote controller(11) Outdoor unit inspection points .............................................................. 712.2 FDTC, FDEN and FDUM series ............................................................. 772.2.1 Diagnosing of microcomputer circuit ............................................. 77(1) Selfdiagnosis function ........................................................................... 77(2) Troubleshooting procedure ................................................................... 81(3) Troubleshooting at the indoor unit(4) Check of anomalous operation deta with the remote controller(5) Inverter checker for diagnosis of inverter output ................................... 89(6) Outdoor unit inspection points .............................................................. 892.2.2 Troubleshooting flow ....................................................................... 90(1) List of troubles ...................................................................................... 90(2) Troubleshooting .................................................................................... 913. ELECTRICAL WIRINGS ..............................................................................1373.1 Outdoor units ........................................................................................1373.2 Indoor units ...........................................................................................142(1) Wall mounted type (SRK) ......................................................................142(2) Floor standing type (SRF) .....................................................................146(3) Ceiling concealed type (SRR)(4) Ceiling cassette-4way compact type (FDTC)(5) Ceiling suspended type (FDEN)(6) Duct connected Low/Middle static pressure type (FDUM)4. PIPING SYSTEMS .......................................................................................1525. INSTALLATION <strong>MANUAL</strong>. ...........................................................................1575.1 Outdoor units ..........................................................................................157(1) Models SCM40ZJ-S, 45ZJ-S ................................................................157(2) Models SCM50ZJ-S1, 60ZJ-S1 .............................................................161(3) Models SCM71ZJ-S1, 80ZJ-S1 .............................................................165(4) Models SCM100ZJ-S1, 125ZJ-S1 .........................................................1695.2 Indoor units ............................................................................................173(1) Wall mounted type (SRK) .....................................................................173(2) Floor standing type (SRF) .....................................................................185(3) Ceiling concealed type (SRR)(4) Ceiling cassette-4way compact type (FDTC)(5) Ceiling suspended type (FDEN)(6) Duct connected Low/Middle static pressure type (FDUM)(7) Replacement procedure of the fan unit (For FDUM model)6. TABLE OF FUNCTIONS CONNECTED WIRED REMOTE CONTROLLERS (RC-E4, E5) .............209'11 • SCM-SM-110................................... 70........................................................ 81............ 88...............................................................148.......................................149...........................................................150....................151...............................................................189........................................193............................................................199....................203...................208- -
7. COMPONENT REPLACEMENT ..................................................................2117.1 Models SCM71ZJ-S1, 80ZJ-S17.2 Models SCM100ZJ-S1, 125ZJ-S18. CHECKING PROCEDURE ...........................................................................2358.1 Models SCM71ZJ-S1, 80ZJ-S1 ..............................................................2358.2 Models SCM100ZJ-S1, 125ZJ-S1 ..........................................................240'11 • SCM-SM-110..............................................................211..........................................................223ModelCapacity 20 25 35 50 60 71Wall mounted type (SRK**ZJX-S)Wall mounted type (SRK**ZJR-S)Wall mounted type (SRK**ZJ-S)Wall mounted type (SRK**ZK-S)Floor standing type (SRF)Ceiling concealed type (SRR)Ceiling cassette-4way compact type(FDTC)Ceiling suspended type (FDEN)Duct connected Low/Middle staticpressure type (FDUM)Outdoor unit to be combined (SCM) SCM40ZJ-S, 45ZJ-S, 50ZJ-S1, 60ZJ-S1, 71ZJ-S1, 80ZJ-S1, 100ZJ-S1, 125ZJ-S1Indoor unitExample: SRK 20 Z JX-SSeries codeInverter typeProduct capacityModel name SRK : Wall mounted typeSRF : Floor standing typeSRR : Ceiling concealed typeFDTC : Ceiling cassette-4 waycompact typeFDEN : Ceiling suspended typeFDUM : Duct connected Low/Middlestatic pressure typeOutdoor unitExample: SCM 60 Z J-S1Series codeInverter typeProduct capacityModel name(Outdoor unit)■ Table of models■How to read the model name
Page 1 and 2: Manual No.'11•SCM-SM-110updated N
Page 3: 1.7 External control (remote displa
Page 7 and 8: Model SRK71ZK-SRemote controllerOpe
Page 9 and 10: (c) SRR seriesRemote controllerOper
Page 11 and 12: '11 • SCM-SM-110• Model SRK20,
Page 13 and 14: (7) Econo operation(a)(b)(c)(d)Pres
Page 15: '11 • SCM-SM-110(e) Multi-directi
Page 20 and 21: 1.2 FDTC, FDEN and FDUM series(1) R
Page 22: (b)Wireless remote controllerIndica
Page 25 and 26: (d)(e)(f)'11 • SCM-SM-110Timer op
Page 27 and 28: (i)(j)'11 • SCM-SM-1102) When the
Page 29 and 30: (m) Drain motor (DM) control [Appli
Page 31 and 32: (s)(t)'11 • SCM-SM-110SW2 : For s
Page 33 and 34: '11 • SCM-SM-1102) Remote operati
Page 35 and 36: '11 • SCM-SM-1101.3 Outline of he
Page 37 and 38: '11 • SCM-SM-1101.4 Outline of co
Page 39 and 40: '11 • SCM-SM-110 Signals of wirel
Page 41 and 42: 1.8Protective control function'11
Page 43 and 44: '11 • SCM-SM-110(5) Heating high
Page 45 and 46: '11 • SCM-SM-110(8) Freezing cycl
Page 47 and 48: '11 • SCM-SM-110(13) Current cut(
Page 49 and 50: '11 • SCM-SM-110High pressure sen
Page 51 and 52: '11 • SCM-SM-1102 MAINTENANCE DAT
Page 53 and 54: (5) Self-diagnosis table(i) SCM40,
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'11 • SCM-SM-110(6) Service mode
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(Example)OperationswitchingCooling2
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(ii) SCM100,125Number of flashes wh
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- - '09•SRK-DB-087D'11 • SCM-SM
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- 62 - '09•SRK-DB-087D'11 • SCM
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(7) Inspection procedures correspon
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Over heat of compressor64)mainError
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'11 • SCM-SM-110Defective compres
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'11 • SCM-SM-110(C) Power transis
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CAUTION- HIGH VOLTAGEHigh voltage i
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CAUTION- HIGH VOLTAGEHigh voltage i
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'11 • SCM-SM-110(a)Inspection of
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(ii) Outdoor unit(a) Model SCM40, 4
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'11 • SCM-SM-110(iv) Display sequ
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(i) FDTC series• Control PCBRepla
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(ii) FDEN seriesSet to an appropria
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'11 • SCM-SM-110• Power PCBPSB0
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'11 • SCM-SM-110(4) Check of anom
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2.2.2 Troubleshooting flow(1) List
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'11 • SCM-SM-110Error codeLED Gre
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FUSE250V 15ATB1 250V 20ABK BKLR INP
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t°t°t°t°t°- 140 -RWC000Z247POW
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DISPLAYWIRELESS RECEIVERBACK-UP SWT
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LM2M M MMCNYDSCNSLM15 5CNXCNFUSMI5C
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DISPLAYWIRELESS RECEIVERBACK-UP SWA
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DMM1RDRDWHWH5F250V0.16ACNSCNWCNYRDU
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PConnecting line betweenindoor unit
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Gas lineIndoor unit(φ9.52)(φ9.52)
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Outdoor UnitCooling cycleHeating cy
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Gas lineLiquid line*1(φ9.52 or φ1
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5ANEREDe units.readblesition.rm.nno
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lethatof ailarlue.'11 • SCM-SM-11
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6CNEREDe units.readblesition.rm.nno
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'11 • SCM-SM-1107BEWARE OF WRONG
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'11 • SCM-SM-110
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'11 • SCM-SM-110
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eadableCNERSEDe units.sition.rmm.nn
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TerminalcoverScrewnit F2 33nit Folp
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BEFORE INSTALLATION Before installa
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ELECTRICAL WIRING WORKPreparation o
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seriously affect the user’s healt
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illustration, hold the panel at bot
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illustration, hold the panel at bot
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BEFORE INSTALLATIONBefore installat
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Concealed installationInstall the i
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30Hang301236Drain hose135 78 Liquid
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81 1 Before installation• Install
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drainithinP-20n site)P-20re on site
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'11 • SCM-SM-110Note : This funct
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'11 • SCM-SM-110Before installati
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Interconnecting wiringEarthSignal c
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.e..○This model is middle static
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oleh thethethelation.rmfulg into, d
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'11 • SCM-SM-110(7) Replacement p
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NO. Functions SRK SRR SRF Outline o
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Fan and fan motor (FMo1)7. Detach t
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Compressor (CM)7. Remove the top co
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Main PCB (upper layer)1. Loosen the
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Main PCB (upper layer)Layout of Mai
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Sub PCB (Lower layer)6. Loosen 4 sc
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4-way valve coil1. Disconnect the c
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Fan and fan motor (FMo1)7. Loosen 4
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Compressor (CM)9. Remove the contro
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Compressor (CM)13. Loosen 3 nuts of
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Sub PCB (PWB4) on the 1st layer2. D
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'11 • SCM-SM-110Noise filter PCB
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8 CHECKING PROCEDURE8.1 Models SCM7
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Suction pipetemp. sensor(Tho-S)Outd
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'11 • SCM-SM-110S-1 (WH) C-1 (RD)
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NameResistance 0.293Ω34Discharge p
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'11 • SCM-SM-110P2 N2(RD) (BL) CN
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'11 • SCM-SM-110INVERTER MULTI-SP
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