Manuals / Mitsubishi Electronics / Household Appliance / Air Conditioner

Mitsubishi Electronics PURY-P400, P500YMF-C specifications Motor Compressor Red White Black

Models: PURY-P400 P500YMF-C

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Page 91

Image 91

Motor

(Compressor)

Red White Black

IPM

UVW

N Black Capacitor

(C2,C3)

G/A board

P Red

–89–

Page 91

Image 91

Mitsubishi Electronics PURY-P400, P500YMF-C specifications Motor Compressor Red White Black, Black Capacitor C2,C3 Board Red

Contents

Service Handbook Page Contents Carefully read the labels affixed to the main unit Safety precautionsUse a vacuum pump with a reverse flow check valve Be especially careful when managing the toolsDo not use the existing refrigerant piping Use liquid refrigerant to seal the systemStorage of Piping Material Reason Piping MachiningReasons When non-oxide brazing was usedBrazing Items to be strictly observedVacuuming Airtightness TestR22 leakage detector R410A-Pink Charging of RefrigerantDryer Cylinder color identification R407C-GrayOutdoor unit PURY-P400·500YMF-C Appearance of ComponentsP400 Type P500 Type 51C2 Module IPM Board Controller BoxNoise filter Magnetic contactor 52C1 Capacitor C2, C3 52F Puhy / Pury Main boardINV board CNE CNDC1 Fancon boardBoard Cnpow Cnfan CNFC2SNB board Board Earth BC controllerCntr SW4 SW5 SW2 SW1Relay 10 board Relay 4 board SV8 SV7 ACCLEV1 SVM1 CMB-P108, 1010, 1013, 1016V-FALEV3 SVM2 PS3TH25 LEV3aTH22 PURY-P400·500YMF-C Electrical Wiring DiagramSV7B SV7A SV7C SV8B SV8A SV8C CMB-P108·1010V-FACMB-P1013·1016V-FA SymbolLEV3 CMB-P108V-FBDB/WB Standard Operation DataCooling operation PURY-P400YMF-C PURY-P500YMF-CHeating operation SW3 Ture Power is on Defrosting end temperaFunction of Dip SW and Rotary SW SWUModel P71 P80 P100 P125 P140 SW2 settingIndoor unit DIP SW1 P40 P50 P63SW4 220V 240VFunction Check points before test run Before Test RunConnected indoor units Can be connected without a RP Insulation pipe Check points for test run when mounting optionsLocal remote controller displays code No Built-in optional partsPortion Check points for system structureNot heat at heating Example, 200m or less total length 500m at the farthest Error stop, compressor troubleCN40 on the Main board when the system is centralized Turn on power source 12 hours before starting operations?Warm or cold air is blowing out Test Run MethodTest RUN Switch functionFilter + ControlledDescription of registration/deletion/retrieval Attribute display of unitGroup registration of indoor unit Registration procedureNo registration Operation procedurePress the switch for confirmation E Switch G for the interlocked setting mode. See figure belowDeletion completed Case of group re Press the switch for confirmation F twice continuouslyDeletion of address not existing Compressor capacity control Control of Outdoor Unit 1- 1 PURY-P400·500 YMF-CInitial processing Control at staringOFF Bypass capacity controlSV6a StopSV1 Defrosting control Oil return control Electronic expansion valve SlevJudgement and control of refrigerant amount Control of liquid level detecting heaterOutdoor unit heat exchanger capacity control Four-way valveHeat exchanger TH9 Accumulator CS circuitControl at initial starting Start of initial operation mode StepEnd of initial operation mode 5 minutes Example Initial start control timing chartExample Minutes 400 500 No Compressor Failure 48 % 65 % Emergency response operating modeControl of LEV Control of BC ControllerControl of SVA, SVB and SVC Control of SVM1 only FA typeOutdoor unit Operation Flow ChartNormal operations Trouble observed Stop Normal operations Operation No commandBC controller StartIndoor unit Test run start Thermostat on Cooling operationNormal operations Test run Stop Cooling operation Way valve OFF Indoor unit fan OperationsNormal operations Defrosting operations Stop Test run Heating operationSame as those in cooling operations Dry operationThermostat on Thermostat on Inlet temp ˚CMC1 List of Major Component FunctionsMC2 TH6 TH3TH4 TH5CH3 CH2Resistance of Temperature Sensor Symptom Operating Characteristics and Refrigerant AmountAdjustment and Judgement of Refrigerant Amount Low temperature than overload Control system TemperatureAdditional Refrigerant Charge Volume Refrigerant VolumePURY-P400YMF-C PURY-P500YMF-C SC11 SC16 Refrigerant Volume Adjustment Mode OperationProcedure TH1Adjustment starts YES Turn all of switches ReadjustSW1 OFF 18 kg 27 kg 31 kg Pipe Length Or less 60 ~ 90 mJudging Failure Connector GND Black Vout White Vcc DC5V RedPrincipal Parts Pressure SensorSV3 SV4 SV5 SV6 Solenoid Valve SV1~8SW1 LEDSolenoid Valves Block1 CV4b Solenoid Valves BlockSV8 CV7b CV5bCheck Valves Block1 CV6b CV5b CV4b CV2b CV3bCheck Valves Block2 Check Valves Block2LEV Valve Closing and Valve Opening Operations Outdoor LEVIntake temperature display, it can Temperature sensed by Thermistor liquid pipe temperatureTemperature is considerably low Compared to the remote control’sPart a 10~50 Ω Tester Intelligent Power Module IPMDiode stack Tester ⊕NET transmission line break on the side of the room unit Check method and handlingAfter checking , if these are factors Check voltage between a and BPower terminal block Voltage Verify the power INV board----CNAC2, CNVCC1, CNL2 PhenomenaUnit is removed Main board ----CNS1, CNVCC3CNS1, CNVCC3 Case of M-NET remote controller30V Check Procedure No powering signal INV boardChecking method & countermeasure Case Melans is not used Transmission line Wiring miss Door unit M-NET 17 ~ 30V?Normal in case of 10V ~ MelansCNR, CNAC2 Investigation of transmission wave shape/noise Earthing ForwiringMethod CheckingVidual Parts Failure Judgment Methods Disconnected wires should Insulation resistance 2MΩ or moreIf the problem is solved and you connect Again, replace the compressorCNFC1~CNFC2 TB1A~NF~TB1B~CNTR1~T01~CNTRTB1B~CNPOW, CNFAN~CN04~CNMF CNFAN~52F~CN05~CNMFIPM 20~60Ω AC Current sensor Acct A1-A2Black Capacitor C2,C3 Board Red Motor Compressor Red White BlackOK? Troubleshooting the major components of the BC controllerPressure sensor Pressure sensor troubleshooting flow StartHPS Problem No abnormality Temperature Sensor Thermistor troubleshooting flowTemperature ˚C Temperature sensor resistance graphResistance value Thermistor R o=15 k Ω Rt=15exp 273+t LEV, Solenoid Valve Troubleshooting Flow LEV Output superheat BC controller Subcool Solenoid Valve Troubleshooting FlowIntermediate subcool BC controller liquid Solenoid Valve Normal Malfunction SVM is turned on and off in accordance with operation modeDisconnect the connector before measurement SVM1Service panel BC Controller Disassembly ProcedureControl Box Ler panel TH11 TH12 CN10 TH15, TH16 CN11 Thermistor Liquid and gas piping temperature detectionBe careful when removing heavy parts Procedure 100LEV3 LEV1 101LEV Solenoid Valve Coil102 103 CNRS2 CNRS3 MechanicalCNAC2 TB1B 105 LEV3 SVM BC 106SVM1 LEV3 LEV3 SVM SVA BC 107LEV3 SVM 108SVA SV3~8 Slev 1092502 Drain pump 110Once vacuum operation protection is Indoor and outdoor units by operTB1A~NF~TB1B~CNTR1~F3~ 111T01~CNTR VDC 112TB1A~NF~TB1B, TB1B~DS~52C MF1~CNFAN 113114 TH8 115TH HS Thhs TH5CNDR2-CNDR1 116IPM-MC1 117 Communication/system ErrorOn, the wave shape is changed and the error is detected 118→ Noise if existed, check the noise Checking method and processing Error119 Transmission circuit bus-busy er120 Communication trouble between Faulty generating controllerMore, and make them again Shut down OC unit power source,Remote No reply Faulty transmission wiring at IC unit side Generating Display Detecting122 123 124 125 System error126 Comp How to read LED for service monitorLED Monitor Display 127TH2 TH3 TH4 TH5 TH6 TH7 128LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 Comp COMP1129 130 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 131132 IC16SC 133134 135 136 137 IC24SH 138IC24SC 139140 141 Check that all indoor units have been stopped Location of leaks Outdoor unit Cooling modeSC16 LED monitor switch Stop all indoor units and the compressorLocation of leaks Outdoor unit when heating 144 LPS 145Service Handbook PURY-P400, P500YMF-C