SERVICE MANUAL - BVT Partners OÃ

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'11 • SCM-SM-110(18) Serial signal transmission error protection(a) Purpose:(b) Detail of operation:(19) Rotor lock (Model SCM40, 45, 50, 60, 71, 80 only)(20) Outdoor fan motor protection(21) Outdoor fan control at low outdoor temperatureCoolingModel SCM40, 45, 50, 60, 71, 80(a) Operating conditions:Tho-A(b) Detail of operation:Outdoor fanOutdoor air temperature > 10˚COutdoor air temperature < = 10˚CTho-RLower limit speedOutdoor air temperature > 16˚COutdoor air temperature < = 16˚CTho-RTho-R(c) Reset conditions:Tho-AModel SCM100, 125(a) Operating conditions:Tho-A(b) Detail of operation:Outdoor fanOutdoor air temperature > 10˚C3rdOutdoor air temperature < = 10˚C- 47 -
'11 • SCM-SM-110High pressure sensor (HPS) 1.50MPahigh pressure sensor is lower than 1.50MPa, gradually reduce the outdoor fan speed by 1 speed.Lower limit speedOutdoor air temperature > 16˚C3rdOutdoor air temperature < = 16˚C1.50MPa High pressure sensor (HPS) 2.72MPahigh pressure sensor 1.50MPa ~ 2.72MPa,High pressure sensor (HPS) 2.72MPahigh pressure sensor is higher than 2.72MPa,(c) Reset conditions:high pressure sensor (HPS) is 2.72MPaHeating(a) Operating conditions:Tho-A(b) Detail of operation:(c) Reset conditions:(SCM100, 125:8th) Tho-A(22) Outdoor unit fan control at overloadCooling(a) Start condition: When the outdoor air temperature (Tho-A) has risen higher than 41°C for 30 seconds continuously whilethe compressor is operating.Under controlONOFF Normal operation 40 41Outdoor air Under temperature(ºC)controlON(b) Contents of control: The OFFoutdoor Normal unit fan tap is brought up by 3 steps (Higher limit is 6th tap.)(c) Release condition: When the compressor is turned off or the outdoor heat exchanger temperature (Tho-R) has dropped40 41lower than 40°C.Outdoor air Under temperature(ºC)controlHeatingONNormal operation(a) Start condition: When OFF the outdoor air temperature (Tho-A) has risen higher than 13°C for 30 seconds continuously whilethe compressor is operating. 10 13Outdoor heat exchanger Under temperature(ºC)controlONNormal operationOFF10 13Outdoor heat exchanger temperature(ºC)(b) Contents of control: The outdoor unit fan tap is brought down by 3 steps (Lower limit is 2nd tap.)(c) Release condition: When the compressor is turned off or the outdoor heat exchanger temperature (Tho-R) has droppedlower than 10°C.
Page 1 and 2: Manual No.'11•SCM-SM-110updated N
Page 3 and 4: 1.7 External control (remote displa
Page 5 and 6: 7. COMPONENT REPLACEMENT ..........
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: '11 • SCM-SM-110(13) Current cut(
Page 51 and 52: '11 • SCM-SM-1102 MAINTENANCE DAT
Page 53 and 54: (5) Self-diagnosis table(i) SCM40,
Page 55 and 56: '11 • SCM-SM-110(6) Service mode
Page 57 and 58: (Example)OperationswitchingCooling2
Page 59 and 60: (ii) SCM100,125Number of flashes wh
Page 61 and 62: - - '09•SRK-DB-087D'11 • SCM-SM
Page 63 and 64: - 62 - '09•SRK-DB-087D'11 • SCM
Page 65 and 66: (7) Inspection procedures correspon
Page 67 and 68: Over heat of compressor64)mainError
Page 69 and 70: '11 • SCM-SM-110Defective compres
Page 71 and 72: '11 • SCM-SM-110(C) Power transis
Page 73 and 74: CAUTION- HIGH VOLTAGEHigh voltage i
Page 75 and 76: CAUTION- HIGH VOLTAGEHigh voltage i
Page 77 and 78: '11 • SCM-SM-110(a)Inspection of
Page 79 and 80: (ii) Outdoor unit(a) Model SCM40, 4
Page 81 and 82: '11 • SCM-SM-110(iv) Display sequ
Page 83 and 84: (i) FDTC series• Control PCBRepla
Page 85 and 86: (ii) FDEN seriesSet to an appropria
Page 87 and 88: '11 • SCM-SM-110• Power PCBPSB0
Page 89 and 90: '11 • SCM-SM-110(4) Check of anom
Page 91 and 92: 2.2.2 Troubleshooting flow(1) List
Page 93 and 94: '11 • SCM-SM-110Error codeLED Gre
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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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