212, Work procedure, SV3C SV3A SV3B | Toshiba MMU-AP0091H specification

No.	Part to be	Work procedure	Remarks
	exchanged

6Pressure sensor posi- tions of 2-way

valve coil				SV3C	SV3A	SV3B
valve coil	Rear side				SV3A	SV3B


			Oil tank				Liquid tank

						SV3D
						SV2
								SV6
		Accumulator


								Oil separator

				PS sensor
					SV11
		Compressor(1)		Compressor(2)

	SV41		SV42
					PD sensor
					SV5

Front side
					SV12

7Temperature Front side of air conditioner sensor posi-

tions and identification

Front side

TS2 sensor

TS1 sensor(Grasy)

TD1 sensor(Yellow)

TD2 sensor(Red)

Accumulator

Compressor(1)

Compressor(2)

212

Page 212

Image 212

Toshiba MMU-AP0091H 212, Work procedure, Temperature Front side of air conditioner sensor posi, SV3C SV3A SV3B

Contents

MMD-AP0181H, AP0241H, AP0271H MMD-AP0361H, AP0481H MMD-AP0071SPH, AP0091SPH, AP0121SPHMMC-AP0151H, AP0181H, AP0241H MMC-AP0271H, AP0361H, AP0481H MML-AP0071H, AP0091H, AP0121H MML-AP0151H, AP0181H, AP0241H Check of Concentration Limit Contents Explanation of indications Explanation of illustrated marksConfirmation of warning label on the main unit Indication Explanation ∗ For details, refer to the parts list Never recover the refrigerant into the outdoor unitDo not modify the products For spare parts, use those specified ∗ Check the following items after reinstallation Metal section Earth positionSide Limit even if the refrigerant leaks Safety Caution Concerned to New Refrigerant New Refrigerant R410APipe Materials Tools Recharge of Refrigerant Environmental concern4mm-hexagonal wrench is required Cylinder with siphon Cylinder without siphon Operation mode Operation mode Outline Component Multi Using High-efficiency Refrigerant R410A Outdoor unitsCombination of outdoor units Branching joints and headers Flow selector units FS unit Indoor unitsRBM-Y1121FE RBM-Y1801FE MMD-AP0241H Remote controllers Indoor UnitWay Air Discharge Cassette Type AP0241WH, AP0271WH, AP0301WH AP0071WH, AP0091WH, AP0121WH AP0481WH AP0151WHAP0181WH Indoor control P.C. board Compact type AP0071YH, AP0091YH, AP0121YHColor Indication Symbol Parts name Model MMU-AP0151SH, AP0181SH, AP0241SHNetwork adapter Option Symbol Parts name Way Air Concealed Duct Standard TypeAP0481BH, AP0561BH AP0241BH Symbol Parts name Concealed Duct High Static Pressure TypeModel MMD-AP0181H, AP0241H, AP0271H, AP0361H Under Ceiling TypeAP0241H, AP0271H, AP0361H AP0151H, AP0181H Model MMK-AP0071H, AP0091H High Wall TypeAP0121H, AP0151H, AP0181H, AP0241H AP0092H AP0122HModel MMK-AP0072H Floor Standing Cabinet Type AP0151H, AP0181H, AP0241HModel MML-AP0071H, AP0091H, AP0121H Color Floor Standing Concealed Type Model MML-AP0071BH, AP0091BH, AP0121BHAP0151BH, AP0181BH, AP0241BH Color indication Symbol Parts name AP0241H, AP0271H, AP0361H, AP0481H, AP0561HModel MMF-AP0151H, AP0181H Color Model MMD-AP0071SPH AP0091SPH, AP0121SPH,AP0151SPHFor undoor unit Color indication Outdoor Unit Model MMY-MAP0801FT8MAP1001FT8, MAP1201FT8 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 Concealed Duct High Static Pressure Type Slim Duct TypeUnder Ceiling Type High Wall Type Floor Standing Type Floor Standing Cabinet TypeFloor Standing Concealed Type Heat Recovery Model Outdoor Control UnitFlow Selector Unit FS 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 Correct Usage Operation sectionPreparation Stop Adjustment of Wind Direction How to set up the air directionHow to start louvre swinging How to stop louver swinging How to set up the air flow direction How to start swingingHow to stop swinging Adjustment of air direction upward/downward Right/Left air direction adjustment Adjustment of air Flow direction Upwards/DownwardsAdjustment of air Flow direction rightwards/leftwards Setup of air direction and swinging Cancel of timer operation Timer OperationTimer operation Installation Maintenance Cleaning the air inlet grille Cleaning of main unit / remote controllerHigh Wall Type Model 1H series 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 SVD SVSSvdd Svss TCJ TC1TC2 ON-OFF list of Flow Selector Unit FS Unit valve Refrigerant Piping Systematic Diagram in SystemSelection of operation mode High outside temperature 10C or more Criterion All cooling operation Operation of cooling onlyOutdoor unit Flow selector/Indoor unit Cooling thermo.-ON Stop Low outside temperature 15C or less Criterion OFF SV3ECooling thermo.-ON Stop Flow selector/Indoor unit All heating operation Operation of heating only SV3B SV5 OFF SV3C SV6Flow selector/Indoor unit Heating thermo.-ON 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 Control Specifications Outline of specifications RemarksRemote controller Control outline Command 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 Cooling operation in low ambient temperatures Other cautionsRelease control list PMV Pulse Motor Valve for outdoor unit Oil equation control schematic diagram Header outdoor unit MMY-MAP1202FT8 Unit to send oilFollower outdoor unit MMY-MAP1202FT8 Unit to Received oil Procedure Execute the setup operation while the unit stops Every pushing Description At shipment HEAT, Heat → Cool Indoor unit capacity Item code How to Set Up the Cooling Only Indoor Unit Setup dataCooling Only setup Heat pump Description Setting When Connecting Multiple Indoor Units to a FS unit Usage/FeaturesHow to set up Item code Push Vent + Test buttons simultaneously for Seconds or more Case of not setting 01 to Item code 0E SVS OFFSVD OFF SVD OFF Svdd SVS Wiring and setup Wiring diagram using remote control interface TCB-IFCB-4EApplied Control in Indoor Unit Remote location ON/OFF control box TCB-IFCB-4E Ventilating fan control from remote controller WiringFunction Operation Using the timer time Using the setup tempButton, set to the setup data 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 Power Peak-cut Control Standard Setup when Power peak-cut control requestedRelay contact capacity of operation port Outdoor unit interface P.C. board Power Peak-cut Control Expansion Setup at power peak-cut control expansion requestSW1 SW2 CN513 Input signal Operation Terminal Input signal OperationSnowfall Fan Control External master ON/OFF control Operation Mode Selection Control Night Operation ControlCool OFF Night operation sound Capacity Reduction dB a Procedure and Summary of Test Operation Main check items for electric wiringCheck Items before Test Operation Case that a center control Check list Additional amount of refrigerant by pipe lengthCorrective amount of refrigerant by system capacity Additional amount of refrigerant Check at Main Power-ON Address SetupAddress Setup and Check Procedure Check on outdoor unit Line address switch on outdoor interface P.C. board Address Setup ProcedureAddress setup procedure Turn on the power Wiring example in 2 lines Operation procedurePush SET button Group address Using Unit + SWING/FIX buttons, select the line Address Using the setup tempUsing Button to Operation procedure Confirm the changed contents Push SET button to determine the setup data Push Test button to finish the procedureEnd Displayed. Only fan of the selected indoor unit operates Setup procedure SW01 SW02 SW03 SW04 Troubleshooting in Test Operation Check Code is Displayed on the Remote ControllerCheck code Cause Countermeasures Remote Segment Cause CountermeasuresStatus Cause Countermeasures Display Incorrect wiring example Fig Remote Header unit Incorrect exampleController status Segment display Status Incorrect example Test Operation Check Fan Operation CheckCooling/Heating Test Operation Check Test operation start/stop operation Wireless remote controller Turn OFF the power to the air conditionerButton on the wireless remote controller Test operation from outdoor unit Procedure Description Test cooling operation Test heating operation Test operation 100 101 Service Support Function Function Outline Setup/Release Segment displayFunction to Start/Stop ON/OFF Indoor Unit from Outdoor Unit 102 Operation procedure All cooling test operation functionAll heating test operation function 103 Batch start/stop ON/OFF function 104 105 SW01 SW02 SW03 Units to be operated Error Clearing Function Error clearing in indoor unitMethod Section a 107 Clearing of error check code by power resetClearing from the interface P.C. board 108 Remote Controller Distinction FunctionDistinction procedure Operation Solenoid Valve Forced Open/Close Function in Outdoor Unit Clear110 Heater Fan Operation Check in Outdoor Unit 111SW01 SW02 SW03 Fan step Release Case to operate the fan in the erroneous outdoor unit onlyCase to operate the fans in all the normal outdoor units 112 Manual Adjustment Function of Outside Temp to Sensor Service support function listFunction contents 113 114 Indoor Fan Only Operating ModeIndoor Fan Operation Check Function Monitor Function of Remote Controller Switch ContentsProcedure Calling of display screen Troubleshooting Summary Before troubleshootingTroubleshooting procedure 116 117 Check code listCheck Method 118 Error detected by TCC-LINK central control device 119Main Outdoor 7-segment display Sensor block display Device New check code Troubleshooting by Check Display on Remote Controller Case of wired remote controller RBC-AMT31EConfirmation of error history Confirmation and check Case of central remote controller TCB-SC642TLE 122 Case of AI-NET central remote controller Error detection condition Check item position 124Check code Check code name Error detection condition Check item position Setup method of No. capacity-over detection125 Convenient functions Outdoor 7-segment display Status Error detection condition Check item position126 127 128 Detected Check code name Error detection condition 129Status 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 135 Sub-code CSub-code D Sub-code E 136 Error detected by TCC-LINK central control device Error detected by AI-NET central control deviceError detection Check item position Controller How to check inverter output How to check resistance of compressor windingHow to check the outdoor fan motor 137 Diagnosis Procedure for Each Check Code 138 139 E06E07 Detected at outdoor side 140 141 E16E18 / 97/99 E19 142 Indoor TCJ sensor error Indoor TC2 sensor errorF03 Indoor TC1 sensor error 143 144 145 H02 / 1d Compressor error Lock F31 / 1CH01 / 1F 146 H06 Low-pressure protective operation 147H14 Compressor 2 case thermo operation 148 Low oil level protectionLeakage check for SV3C valve Clogging check for SV3E valve 149 TK3 temperature detective circuit error 150 151 L05L03 L06 152 L18 / 8A Flow selector unit system error 153L20 L28 L31 Extended IC error P01 Indoor fan motor error154 L30 / b6 P05 / AF Open phase, negative phase 155P04 Actuation High-pressure SW P07 / 1C Heat sink overheat error P10 / 0b Indoor overflow errorIndoor fan motor error 156 P13 Outdoor liquid back detection error 1. PMV1/PMV2 error 157P15 / AE Gas leak detection P17 / bb Discharge temp TD2 error 158P15 / AE Gas leak detection TD condition Sub-code P19 Way valve operation error 159P20 High-pressure protective operation Judgment criteria P22 / 1A Outdoor fan Ipdu error 160 P26 Tr short-circuit protection error Detective circuit error161 P29 Compressor position 162 How to read the check display Segment display Segment Display FunctionSegment display on the outdoor unit Interface P.C. board 163 SW01 SW02 SW03 Display contents 164 165 166 SW03 SW02 Indoor address Segment display a Sensor Characteristics Temperature sensor characteristicsOutdoor Unit Segment display A, B Pressure sensor characteristics Lead wire colorIndoor Unit 168 Pd sensor characteristics Pressure Sensor Output Check169 MPa Kg/cm² Ps sensor characteristics 170 Flow Selector Unit FS Unit 171 Detection Flow Almost normal Cooled 172May become Refrigerant Reference173 Indoor Controller Block Diagram Wired remote controllerWeekly timer 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 181 EepromDisp CHK 182 Flow Selector Unit P.C. BoardMCC-1431-01 Optional Connector Specifications of Indoor P.C. Board Function Connector Pin Specifications Remarks183 DC12V COM 184 SV3D SV3EUart 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 Before Backup Operation Compressor Backup SetupProcedure Outline 189 Backup Setup for Outdoor UnitSet up procedure for the malfunctioning outdoor unit Operation procedure Display exampleSegment display oil level results 190 Refrigerant Recovery in the Malfunctioning Outdoor Unit Before Refrigerant Recovery OperationRefrigerant Recovery Procedure Set up the malfunctioning outdoor unit as follows Select an outdoor unit for pressure adjustment as follows Set up all other outdoor units as followsSetup for outdoor unit for adjustment of pressure 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 Trouble by leakage 197Unit issuing Check code to be detected Phenomena Check code Corresponding unit 198 199 Compressor Replacing Procedure OutlineNever recover the refrigerant into outdoor unit Replacing Compressor Exchanging a compressorRemoval of defective 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 Installation of compressor Vacuuming Case of single outdoor systemCase of multiple outdoor unit systems Full opening of PMV1, PMV2 204 Procedure to Identify the Cause of Compressor Oil ShortageCheck items Position Procedure Pressure 205Nitrogen Reassembly 206Remarks Disassembling Work procedure Remarks 207Fan motor Part to be Heat exchanger Right 208Disassembling Example Reassembly and cautions 209 210 Inverter assemblyExchange of service P.C. board 211 Work procedure Temperature Front side of air conditioner sensor posi212 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 Inverter Output How to Check Outdoor Fan MotorHow to check resistance or compressor winding Part name Procedure How to Check Fan Power Supply P.C. Board and Fan Ipdu How to check fan power supply P.C. board MCC-1439How to check fan Ipdu MCC-1439 Front View Interface Board Replacement Procedure Replacement stepsDip Switch Setting contents 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

Part to be

Work procedure

6Pressure sensor posi- tions of 2-way

valve coil

SV3C

SV3A

SV3B

SV2

SV6

7Temperature Front side of air conditioner sensor posi-

tions and identification

212