Indoor Controller Block Diagram, Series, 174 | Toshiba MMU-AP0091H

174

Wired remote controller									wiredremotecontroller	1.Connectionof	SlimDuctType
(Up to 2 units)					Weekly timer
Display					Display		LCD
LCD					LCD	driver
Display	CPU		Function setup
Display	CPU							Function setup
LED			Key switch				CPU	Function setup
			Key switch				CPU
			CN2	CN1				Key switch
			*3		DC5V
	Remote		*3
	Remote		DC5V
	controller		Power		Power	Secondary
	communication		circuit		circuit	battery
	circuit		circuit		circuit	battery
	circuit
Indoor unit
#1	A	B			#2 A	B	#3 A	B
Network adaptor (Option)					#2 A	B	#3 A	B
Network adaptor (Option)

Max. 8 units are connectable. *1

Network

Indoor control P.C. board (MCC-1402)

Remote

adaptor

*1 However in a case that the

P.C. board

controller

Remote

EEPROM

(MCC-1401)

communication

controller

network adaptor is installed

circuit

communication

circuit

when 2 remote controllers

DC20V

Central control

X

AI-NET

CPU

DC12V

are connected, maximum

remote controller

communication

H8/3687

DC5V

TA sensor

7 units are connectable.

(Option)

Y

circuit

DC5V

TCI sensor

*2 The network adaptor is

(In case of AI-NETWORK)

CPU

Power

Switch

H8/3039

Same

Same

installed to only one unit.

circuit

setup

Driver

TC2 sensor

as left

as left

Transformer

TCJ sensor

*2

*2

*3 The weekly timer cannot be

*4

connected to the simple wired

PMV

remote controller.

Float input

*4 Nome for high wall spearate

Louver

HA

motor

CPU

Outside

sold parts for under ceiling.

None for Concealed

TMP88CH

output

Duct type

47FG

Start

AC

BUS

*4

(TMP88PH

Alarm

synchronous

Drain

communication

47FG)

Ready

signal input

circuit

pump

Thermostat ON

circuit

COOL

U1 U2

U1 U2

Indoor

Power

Fan motor

HEAT

L

N

L

N

FAN

fan motor

circuit

control circuit

DC280V

Power

Power

supply

supply

L

N

U1

U2 Indoor/Outdoor

Outdoor

Outdoor

U1

U2 communication

unit

unit

Outdoor unit

Under Ceiling Type, High Wall Type, 1-way Air Discharge Cassette Type	4-way Air Discharge Cassette Type, Concealed Duct Standard Type,	10-1-1. Indoor Controller Block Diagram	10-1. Indoor Unit
(2 Series),

10. CONFIGURATION OF CONTROL CIRCUIT

Power supply 1Ø220-240V, 50Hz

Image 174

Toshiba MMU-AP0091H service manual Indoor Controller Block Diagram, Series, 174, Wired remote controller, Weekly timer

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 High Wall Type AP0121H, AP0151H, AP0181H, AP0241HModel MMK-AP0071H, AP0091H AP0122H Model MMK-AP0072HAP0092H 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 Cabinet Type Floor Standing Concealed TypeFloor Standing Type Flow Selector Unit FS Unit Heat Recovery ModelOutdoor Control Unit MAP0802FT8 MAP1002FT8 MAP1202FT8 Parts Layout in Outdoor Unit Front side Rear side Name of Each Part Indoor UnitSold Separately Parts Parts Name of Remote Controller Outdoor UnitDisplay section 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 Timer Operation Timer operationCancel of timer 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 Re-Installation When the Following Symptoms are FoundAir conditioner operating conditions Confirmation of error history Procedure DescriptionConfirmation and check 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 TC1 TC2TCJ Refrigerant Piping Systematic Diagram in System Selection of operation modeON-OFF list of Flow Selector Unit FS Unit valve 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 Mainly Heating, Partly Cooling Operation Outdoor unit Flow selector/Indoor unitCooling thermo.-ON Heating thermo.-ON Stop 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 1 Cannot operate Central control modeCentral control mode 4 Cannot select 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 Address Setup Procedure Address setup procedureLine address switch on outdoor interface P.C. board 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 Clearing of error check code by power reset Clearing from the interface P.C. board107 Remote Controller Distinction Function Distinction procedure108 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 Indoor Fan Only Operating Mode Indoor Fan Operation Check Function114 Procedure Monitor Function of Remote Controller SwitchContents Calling of display screen Troubleshooting procedure Troubleshooting SummaryBefore troubleshooting 116 Check code list Check Method117 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 Status Error detection condition Check item position 126Outdoor 7-segment display 127 128 Detected Check code name Status Error detection condition129 Check all the outdoor units in the corresponding line 130 131 Check code Detected Main Outdoor 7-segment displayRemote Central control Controller Check code 132 Name 133 Heating Check code Status Error detection Check item position 134Name Condition 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 146 147 H14 Compressor 2 case thermo operationH06 Low-pressure protective 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 171 172 May becomeDetection Flow Almost normal Cooled Reference 173Refrigerant Weekly timer Indoor Controller Block DiagramWired remote controller Series Wired remote controller Up to 2 units Weekly timer175 176 Slim DuctTypeSeries 177 Wired remote controller 178SlimDuctType 179 Indoor P.C. Board MCC-1402Type Disp 181Eeprom CHK Flow Selector Unit P.C. Board MCC-1431-01182 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 Backup Setup for Outdoor Unit Set up procedure for the malfunctioning outdoor unit189 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 Refrigerant recovery procedure backup Set up the unit selected as the header unit as follows193 Setup for header unit 194 Refrigerant amount to be recovered = 37.5 28.0 = 9.5 kg 195System Combination of outdoor units Refrigerant amount Process after Repair 196 Unit issuing Check code to be detected Phenomena Trouble by leakage197 Check code Corresponding unit 198 Compressor Replacing Procedure Outline Never recover the refrigerant into outdoor unit199 Removal of defective compressor Replacing CompressorExchanging a compressor 200 Color check of oil in the defective compressor 201 Adjustment of oil amount in the service compressor Measurement of oil amount in the normal compressor202 Case of multiple outdoor unit systems Installation of compressorVacuuming Case of single outdoor system Full opening of PMV1, PMV2 Procedure to Identify the Cause of Compressor Oil Shortage Check items Position Procedure204 205 NitrogenPressure Remarks Reassembly206 Disassembling Fan motor Work procedure Remarks207 Part to be 208 Disassembling ExampleHeat exchanger Right Reassembly and cautions 209 Inverter assembly Exchange of service P.C. board210 211 212 Work procedureTemperature Front side of air conditioner sensor posi SV3C SV3A SV3B Temperature Rear side of air conditioner 213Used positions of SUS fixing band Total 5 positions Assembly 214 215 Pull the accumulator upwards 216 Exchange of P.C. Board for Indoor Service Exchange procedure217 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 Board Replacement Procedure Manual 225Comp-IPDU No SW801 Bit 226 COMP-IPDU No.1COMP-IPDU No.2 Inverter Assembly Configuration 227 Toshiba Carrier Corporation