Flow Selector Unit P.C. Board, MCC-1431-01

MCC-1520

2-way Air Discharge Cassette Type, 1-way Air Discharge Cassette Type (1 Series), Concealed Duct High Static Pressure Type, Floor Standing Cabinet Type,

Floor Standing Concealed Type, Floor Standing Type

C90

CN01 1

IC01

Power supply trans side (Input)

	C03
	+	CN02
	+
I G O	6
I G O	GND
+15V	GND
+15V
	1
MCC-1520-01
COMPONENT SIDE

Control P.C. board side (Output)

10-1-3. Flow Selector Unit P.C. Board

MCC-1431-01

182

Page 182

Image 182

Toshiba MMU-AP0091H service manual Flow Selector Unit P.C. Board, MCC-1431-01, 182

Contents

MMC-AP0151H, AP0181H, AP0241H MMC-AP0271H, AP0361H, AP0481H MMD-AP0181H, AP0241H, AP0271H MMD-AP0361H, AP0481HMMD-AP0071SPH, AP0091SPH, AP0121SPH MML-AP0071H, AP0091H, AP0121H MML-AP0151H, AP0181H, AP0241H Check of Concentration Limit Contents Confirmation of warning label on the main unit Explanation of indicationsExplanation of illustrated marks Indication Explanation Do not modify the products ∗ For details, refer to the parts listNever recover the refrigerant into the outdoor unit For spare parts, use those specified ∗ Side Check the following items after reinstallationMetal section Earth position Limit even if the refrigerant leaks Pipe Materials Safety Caution Concerned to New RefrigerantNew Refrigerant R410A Tools 4mm-hexagonal wrench is required Recharge of RefrigerantEnvironmental concern Cylinder with siphon Cylinder without siphon Operation mode Operation mode Outline Combination of outdoor units Component Multi Using High-efficiency Refrigerant R410AOutdoor units Branching joints and headers RBM-Y1121FE Flow selector units FS unitIndoor units RBM-Y1801FE MMD-AP0241H Remote controllers Way IndoorUnit Air Discharge Cassette Type AP0181WH AP0241WH, AP0271WH, AP0301WH AP0071WH, AP0091WH, AP0121WHAP0481WH AP0151WH Indoor control P.C. board Color Compact typeAP0071YH, AP0091YH, AP0121YH Indication Network adapter Symbol Parts nameModel MMU-AP0151SH, AP0181SH, AP0241SH Option Symbol Parts name Way Air AP0481BH, AP0561BH ConcealedDuct Standard Type AP0241BH Model Symbol Parts nameConcealed Duct High Static Pressure Type MMD-AP0181H, AP0241H, AP0271H, AP0361H AP0241H, AP0271H, AP0361H UnderCeiling Type AP0151H, AP0181H Model MMK-AP0071H, AP0091H High Wall TypeAP0121H, AP0151H, AP0181H, AP0241H AP0092H AP0122HModel MMK-AP0072H Model MML-AP0071H, AP0091H, AP0121H Floor Standing Cabinet TypeAP0151H, AP0181H, AP0241H Color AP0151BH, AP0181BH, AP0241BH Floor Standing Concealed TypeModel MML-AP0071BH, AP0091BH, AP0121BH Color indication Model MMF-AP0151H, AP0181H Symbol Parts nameAP0241H, AP0271H, AP0361H, AP0481H, AP0561H Color For undoor unit Model MMD-AP0071SPHAP0091SPH, AP0121SPH,AP0151SPH Color indication MAP1001FT8, MAP1201FT8 Outdoor UnitModel MMY-MAP0801FT8 Parts layout Flow Selector Unit FS Model RBM-Y1122FE, Y1802FE, Y2802FE Indoor Unit Way Air Discharge Cassette Type Way Air Discharge Cassette Compact type Type Concealed Duct Standard Type Under Ceiling Type Concealed Duct High Static Pressure TypeSlim Duct Type High Wall Type Floor Standing Type Floor Standing Cabinet TypeFloor Standing Concealed Type Flow Selector Unit FS Unit Heat Recovery ModelOutdoor Control Unit MAP0802FT8 MAP1002FT8 MAP1202FT8 Parts Layout in Outdoor Unit Front side Rear side Sold Separately Parts Name of Each PartIndoor Unit Display section Parts Name of Remote ControllerOutdoor Unit Preparation Correct UsageOperation section Stop How to start louvre swinging Adjustment of Wind DirectionHow to set up the air direction How to stop louver swinging How to stop swinging How to set up the air flow directionHow to start swinging Adjustment of air direction upward/downward Adjustment of air Flow direction rightwards/leftwards Right/Left air direction adjustmentAdjustment of air Flow direction Upwards/Downwards Setup of air direction and swinging Cancel of timer operation Timer OperationTimer operation Installation Maintenance High Wall Type Model 1H series Cleaning the air inlet grilleCleaning of main unit / remote controller Model 2H series Air Conditioner Operations and Performance Air conditioner operating conditions Re-InstallationWhen the Following Symptoms are Found Confirmation and check Confirmation of error historyProcedure Description Inverter Unit 8, 10, 12HP Model MMY-MAP0802FT8, MAP1002FT8, MAP1202FT8 Explanation of Functional Parts Functional part name Functional outline Operation mode Operation mode Outline Svdd SVDSVS Svss TCJ TC1TC2 ON-OFF list of Flow Selector Unit FS Unit valve Refrigerant Piping Systematic Diagram in SystemSelection of operation mode Outdoor unit High outside temperature 10C or more CriterionAll cooling operation Operation of cooling only Flow selector/Indoor unit Cooling thermo.-ON Stop Cooling thermo.-ON Stop Low outside temperature 15C or less CriterionOFF SV3E Flow selector/Indoor unit Flow selector/Indoor unit Heating thermo.-ON All heating operation Operation of heating onlySV3B SV5 OFF SV3C SV6 Heating thermo.-OFF Mainly Cooling, Partly Heating Operation Heating thermo.-ON Cooling thermo.-ON Heating thermo.-ON Stop Mainly Heating, Partly Cooling OperationOutdoor unit Flow selector/Indoor unit Defrost Flow selector/Indoor unit Cooling thermo.-ON Others Remote controller Control outline Command Control SpecificationsOutline of specifications Remarks Allcooling All heating Reset conditions TC1 TCB-AX21E Central control mode 4 Cannot select mode Central control mode 1 Cannot operateCentral control mode Operation Start/Operation End Operation explanation and applied data, etc Remarks Oil SV2 Operation explanation and applied data, etc Remarks Operation explanation and applied data, etc Remarks Ipdu Release control list Cooling operation in low ambient temperaturesOther cautions PMV Pulse Motor Valve for outdoor unit Follower outdoor unit MMY-MAP1202FT8 Unit to Oil equation control schematic diagramHeader outdoor unit MMY-MAP1202FT8 Unit to send oil Received oil Procedure Execute the setup operation while the unit stops Every pushing Description At shipment HEAT, Heat → Cool Indoor unit capacity Item code Cooling Only setup Heat pump How to Set Up the Cooling Only Indoor UnitSetup data Description How to set up Item code Setting When Connecting Multiple Indoor Units to a FS unitUsage/Features Push Vent + Test buttons simultaneously for Seconds or more SVD OFF Case of not setting 01 to Item code 0ESVS OFF SVD OFF Svdd SVS Applied Control in Indoor Unit Wiring and setupWiring diagram using remote control interface TCB-IFCB-4E Remote location ON/OFF control box TCB-IFCB-4E Function Ventilating fan control from remote controllerWiring Operation Button, set to the setup data Using the timer timeUsing the setup temp Leaving-ON prevention control Applied Control in Outdoor Unit Outdoor fan High Static Pressure Shift Outdoor unit interface P.C. board Connector position detail Function Switch No Bit Connector No Used control P.C. board Relay contact capacity of operation port Power Peak-cut Control StandardSetup when Power peak-cut control requested Outdoor unit interface P.C. board SW1 SW2 Power Peak-cut Control ExpansionSetup at power peak-cut control expansion request CN513 Snowfall Fan Control Input signal OperationTerminal Input signal Operation External master ON/OFF control Cool OFF Operation Mode Selection ControlNight Operation Control Night operation sound Capacity Reduction dB a Check Items before Test Operation Procedure and Summary of Test OperationMain check items for electric wiring Case that a center control Corrective amount of refrigerant by system capacity Check listAdditional amount of refrigerant by pipe length Additional amount of refrigerant Address Setup and Check Procedure Check at Main Power-ONAddress Setup Check on outdoor unit Line address switch on outdoor interface P.C. board Address Setup ProcedureAddress setup procedure Push SET button Turn on the power Wiring example in 2 linesOperation procedure Group address Using Using Unit + SWING/FIX buttons, select the line AddressUsing the setup temp Button to Operation procedure Confirm the changed contents End Push SET button to determine the setup dataPush Test button to finish the procedure Displayed. Only fan of the selected indoor unit operates Setup procedure SW01 SW02 SW03 SW04 Check code Troubleshooting in Test OperationCheck Code is Displayed on the Remote Controller Cause Countermeasures Status Cause Countermeasures Remote SegmentCause Countermeasures Display Controller status Segment display Incorrect wiring example FigRemote Header unit Incorrect example Status Incorrect example Cooling/Heating Test Operation Check Test Operation CheckFan Operation Check Test operation start/stop operation Button on the wireless remote controller Wireless remote controllerTurn OFF the power to the air conditioner Test operation from outdoor unit Procedure Description Test cooling operation Test heating operation Test operation 100 101 Function to Start/Stop ON/OFF Indoor Unit from Outdoor Unit Service Support FunctionFunction Outline Setup/Release Segment display 102 All heating test operation function Operation procedureAll cooling test operation function 103 Batch start/stop ON/OFF function 104 105 SW01 SW02 SW03 Units to be operated Method Error Clearing FunctionError clearing in indoor unit Section a 107 Clearing of error check code by power resetClearing from the interface P.C. board 108 Remote Controller Distinction FunctionDistinction procedure Operation 110 Solenoid Valve Forced Open/Close Function in Outdoor UnitClear Heater SW01 SW02 SW03 Fan Operation Check in Outdoor Unit111 Fan step Case to operate the fans in all the normal outdoor units ReleaseCase to operate the fan in the erroneous outdoor unit only 112 Function contents Manual Adjustment Function of Outside Temp to SensorService support function list 113 114 Indoor Fan Only Operating ModeIndoor Fan Operation Check Function Procedure Monitor Function of Remote Controller SwitchContents Calling of display screen Troubleshooting procedure Troubleshooting SummaryBefore troubleshooting 116 117 Check code listCheck Method 118 Main Outdoor 7-segment display Sensor block display Error detected by TCC-LINK central control device119 Device New check code Confirmation of error history Troubleshooting by Check Display on Remote ControllerCase of wired remote controller RBC-AMT31E Confirmation and check Case of central remote controller TCB-SC642TLE 122 Case of AI-NET central remote controller Check code Error detection condition Check item position124 Check code name 125 Error detection condition Check item positionSetup method of No. capacity-over detection Convenient functions Outdoor 7-segment display Status Error detection condition Check item position126 127 128 Detected Check code name Status Error detection condition129 Check all the outdoor units in the corresponding line 130 Remote Central control Controller Check code 131Check code Detected Main Outdoor 7-segment display 132 Name 133 Heating Name Condition Check code Status Error detection Check item position134 Sub-code D 135Sub-code C Sub-code E Error detection Check item position 136 Error detected by TCC-LINK central control deviceError detected by AI-NET central control device Controller How to check the outdoor fan motor How to check inverter outputHow to check resistance of compressor winding 137 Diagnosis Procedure for Each Check Code 138 E07 139E06 Detected at outdoor side 140 E18 / 97/99 141E16 E19 142 F03 Indoor TC1 sensor error Indoor TCJ sensor errorIndoor TC2 sensor error 143 144 145 H01 / 1F H02 / 1d Compressor error LockF31 / 1C 146 H06 Low-pressure protective operation 147H14 Compressor 2 case thermo operation Leakage check for SV3C valve 148Low oil level protection Clogging check for SV3E valve 149 TK3 temperature detective circuit error 150 L03 151L05 L06 152 L20 L18 / 8A Flow selector unit system error153 L28 154 L31 Extended IC errorP01 Indoor fan motor error L30 / b6 P04 Actuation P05 / AF Open phase, negative phase155 High-pressure SW Indoor fan motor error P07 / 1C Heat sink overheat errorP10 / 0b Indoor overflow error 156 P15 / AE P13 Outdoor liquid back detection error 1. PMV1/PMV2 error157 Gas leak detection P15 / AE Gas leak detection P17 / bb Discharge temp TD2 error158 TD condition Sub-code P20 High-pressure protective operation P19 Way valve operation error159 Judgment criteria P22 / 1A Outdoor fan Ipdu error 160 161 P26 Tr short-circuit protection errorDetective circuit error P29 Compressor position 162 Segment display on the outdoor unit Interface P.C. board How to read the check display Segment displaySegment Display Function 163 SW01 SW02 SW03 Display contents 164 165 166 SW03 SW02 Indoor address Segment display a Outdoor Unit Sensor CharacteristicsTemperature sensor characteristics Segment display A, B Indoor Unit Pressure sensor characteristicsLead wire color 168 169 Pd sensor characteristicsPressure Sensor Output Check MPa Kg/cm² Ps sensor characteristics 170 Flow Selector Unit FS Unit 171 Detection Flow Almost normal Cooled 172May become Refrigerant Reference173 Weekly timer Indoor Controller Block DiagramWired remote controller Series 175 Wired remote controller Up to 2 unitsWeekly timer Series 176Slim DuctType 177 SlimDuctType Wired remote controller178 179 Type Indoor P.C. BoardMCC-1402 Disp 181Eeprom CHK 182 Flow Selector Unit P.C. BoardMCC-1431-01 183 Optional Connector Specifications of Indoor P.C. BoardFunction Connector Pin Specifications Remarks DC12V COM Uart 184SV3D SV3E RMV Inverter P.C. board MCC-1502 IPDU1, IPDU2 185 Power supply P.C. board for fan MCC-1439 186 Part type Exchange contents 187 Procedure Before Backup OperationCompressor Backup Setup Outline 189 Backup Setup for Outdoor UnitSet up procedure for the malfunctioning outdoor unit Segment display oil level results Operation procedureDisplay example 190 Refrigerant Recovery Procedure Refrigerant Recovery in the Malfunctioning Outdoor UnitBefore Refrigerant Recovery Operation Set up the malfunctioning outdoor unit as follows Setup for outdoor unit for adjustment of pressure Select an outdoor unit for pressure adjustment as followsSet up all other outdoor units as follows 192 193 Refrigerant recovery procedure backupSet up the unit selected as the header unit as follows Setup for header unit 194 System Combination of outdoor units Refrigerant amount Refrigerant amount to be recovered = 37.5 28.0 = 9.5 kg195 Process after Repair 196 Unit issuing Check code to be detected Phenomena Trouble by leakage197 Check code Corresponding unit 198 199 Compressor Replacing Procedure OutlineNever recover the refrigerant into outdoor unit Removal of defective compressor Replacing CompressorExchanging a compressor 200 Color check of oil in the defective compressor 201 202 Adjustment of oil amount in the service compressorMeasurement of oil amount in the normal compressor Case of multiple outdoor unit systems Installation of compressorVacuuming Case of single outdoor system Full opening of PMV1, PMV2 204 Procedure to Identify the Cause of Compressor Oil ShortageCheck items Position Procedure Pressure 205Nitrogen Remarks Reassembly206 Disassembling Fan motor Work procedure Remarks207 Part to be Heat exchanger Right 208Disassembling Example Reassembly and cautions 209 210 Inverter assemblyExchange of service P.C. board 211 212 Work procedureTemperature Front side of air conditioner sensor posi SV3C SV3A SV3B Used positions of SUS fixing band Total 5 positions Temperature Rear side of air conditioner213 Assembly 214 215 Pull the accumulator upwards 216 217 Exchange of P.C. Board for Indoor ServiceExchange procedure Procedure 1 Readout setup contents from Eeprom Remote controller operation diagram Procedure 2 Exchange of P.C. board for service 219 Procedure 3 Writing-in of setup contents to Eeprom Eeprom layout Type Indoor unit capacity Item code 221 How to check resistance or compressor winding How to Check Inverter OutputHow to Check Outdoor Fan Motor Part name Procedure How to check fan Ipdu How to Check Fan Power Supply P.C. Board and Fan IpduHow to check fan power supply P.C. board MCC-1439 MCC-1439 Front View Dip Switch Setting contents Interface Board Replacement ProcedureReplacement steps 224 Comp-IPDU No SW801 Bit Comp-IPDU Board Replacement Procedure Manual225 COMP-IPDU No.2 226COMP-IPDU No.1 Inverter Assembly Configuration 227 Toshiba Carrier Corporation

MCC-1520-01

10-1-3. Flow Selector Unit P.C. Board

MCC-1431-01

182